久久99精品久久久久久琪琪,久久人人爽人人爽人人片亞洲,熟妇人妻无码中文字幕,亚洲精品无码久久久久久久

二輪復習過手不忘:高三英語《語法 過去分詞》練習

時間:2019-05-14 13:40:37下載本文作者:會員上傳
簡介:寫寫幫文庫小編為你整理了多篇相關的《二輪復習過手不忘:高三英語《語法 過去分詞》練習》,但愿對你工作學習有幫助,當然你在寫寫幫文庫還可以找到更多《二輪復習過手不忘:高三英語《語法 過去分詞》練習》。

第一篇:二輪復習過手不忘:高三英語《語法 過去分詞》練習

高三英語練習

(三)過去分詞:

1、過去分詞的基本用法:過去分詞只有一種形式,也沒有主動語態,它所表示的動作是一個被動的或是已完成的動作。過去分詞在句中也可用作定語、表語、賓語或狀語等成分。過去分詞在句中作某種成分時,其邏輯主語一般為該分詞所表示的動作的承受者,如:

(1)作定語:過去分詞作定語時,如果這個分詞是一個單詞,就位于其修飾的名詞之前,如果是分詞短語,就位于其修飾的名詞之后。被過去分詞所修飾的名詞,就是該分詞的邏輯主語,如:The stolen car was found by the police last week.(2)作表語:過去分詞作表語時,表示其邏輯主語所處的狀態,其邏輯主語就是句中的主語,如:The glass is broken.這個玻璃杯是破的。注:過去分詞作表語時,和動詞的被動語態結構相似,但兩者表達的意義不同,如:The glass was broken by my little brother.這個玻璃杯是被我小弟弟打破的。作表語用的過去分詞在許多詞典中已列為形容詞,如:crowded, devoted, discouraged, done, dressed, drunk, experienced, frightened, gone, hurt, interested, killed, known, learned, lost, pleased, satisfied, shut, surprised, tired, undressed, worried, astonished, broken, completed, covered等。(3)作賓語補足語:過去分詞作賓語補足語時,句中的賓語就是其邏輯主語,如:When I opened the door, I found the ground covered by fallen leaves.注:動詞have后的復合賓語中,賓語補足語如為過去分詞,常表示該分詞所表示的動作是由別人來執行的而不是句中主語自己來執行的,如:I had my bike repaired yesterday.昨天我(找別人)把我的自行車給修了。(4)作狀語:過去分詞作狀語時,相當于一個狀語從句,該結構的邏輯主語一般都是主句的主語,是過去分詞所表示意義的邏輯賓語。為了使作狀語的過去分詞意義更加明確,常在分詞前加when, if, while, though, as等連詞,如:Seen from the hill/ When seen from the hill, our town looks beautiful.;Given more time/ If given more time, we could have done it better.(we是該結構的邏輯主語,是give的邏輯賓語。)獨立主格:上述-ing和過去分詞的用法中,-ing和過去分詞在句中均有邏輯主語,但有時它們也能有自己的獨立的主語,這種獨立的主語,一般為名詞或代詞,位于其前之前,和-ing或過去分詞構成獨立主格。獨立主格在句中一般只作狀語用,而-ing和過去分詞作用的形式,則要根據它們所表示的動作和句中謂語動詞所表示的時間關系而定。至于獨立主格中是使用-ing或是過去分詞,則要根據它們的主語和其所表示的動作的主動被動關系而定,如:The bell ringing, we all stopped talking.注:The work having been finished, she sat down to have a rest.①獨立結構中的being或having been常可省去,如:The meeting(being)over, all left the room.②作伴隨狀語的獨立結構常可用with短語來代替,如:She read the letter, tears rolling down her cheeks./ She read the letter with tears rolling down her cheeks.2、-ing形式與過去分詞的區別:

(1)語態不同:-ing形式表示主動概念,及物動詞的過去分詞表示被動概念。an inspiring speech(2)時間關系不同:現在分詞所表示的動作一般是正在進行中的動作,而過去分詞所表示的動作,鼓舞人心的演說;the inspired audience受鼓舞的聽眾。

往往是已經完成的動作,如:The changing world正在發生的世界;the changed world已經起了變化的世界。

1.There is no question of _____ able to finish it himself.A.Tom was B.Tom's being C.Tom's be D.Tom is 2.The new shopping center _____ now will be put into use by the end of this year.A.built B.be built C.being built D.to be built 3.“Have you had supper?” A.are being cooked us.“ A.meeting, to B.to have met, with C.having met, among of 5.I'm afraid I can't make myself _____ in English.A.understanding B.understand C.to be understood D.understood 6.Although in a hurry, Wilson ______.A.couldn't stop walking B.couldn't help the stranger C.stopped to help the stranger D.didn't answer the stranger 7.Janet is easy _____.A.for getting along with B.by getting along with C.to get along with D.got along with 8.Don't forget ______ the light when you leave.A.turn off B.to turn off C.turning off D.turned off 9.The mother is very glad;her baby is beginning ______.A.understanding what she means B.to understand that she meant C.to understand what she means D.noticing what she means , 10.I think this story is _____.A.worth being read B.worth reading C.worth to read D.worth of reading 11.This scientist is a man ______ praise.A.worth to B.worthy to be C.worthy of D.worth 12.I don't want ______ any more trouble, you see? A.there being B.it to be C.it being D.there to be 13.When she returned home, she found the window open and something ______.A.stealing B.missed C.stolen D.to steal 14.Strictly _____, it isn't worth the price you are asking.A.to speak B.speaking C.speak D.spoken 15.Time ______, they'll come here to watch us ______ football.A.permitted, playing B.permitted, to play C.permitting, play D.permitting, to play 16.The man was seen _____ into the courtyard.A, stealing B.stolen C.be stealing D.had stolen 17.Bob should love _____ to the party tomorrow evening.A.taking B.to be taken C.to take D.being taken 18.Tom had no choice but _____ the classroom with his classmates.A.to clean B.clean C.cleaning D.cleans

”Not yet.The meal_____.“

”It's my great pleasure to have you ______

D.to meet,B.is being cooked C.is cooked D.are cooked 4.“I'm glad ______ you here in the hotel.” 19.Mr.Brown said that his car needed A.to be repaired B.being repaired C.be repairing D.to repair 20.The old man didn't know whether to sell the car or____.A.being kept for later use B.kept for later use C.to keep it for later use D.to be kept it for later use 21.The noise of the desks _____ could be heard in the next classroom.A.being opened and closed

B.opened and closed C.having been opened and closed D.to be opened and closed 22.I remember _____ someone ____ the umbrella away.A.to see, take

B.having seen, to take D.having seen, take

C.to see, to take

23.She was noticed ______ the shop.A.to enter B.enter C.having entered D.entered 24.I couldn't help _____ when I heard the joke.A.being laughed

B.laughing C.to be laughing D.to laugh 25._____, she burst into tears.A.Deeply moved B.Deeply moving C.As she deeply moved D.As she was deeply moving 26.The problem requires ______.A.studying with great care B.to study carefully C.to be studied without carelessness D.taking great care of studying it 27._____ carelessly, the boy made mistakes here and there..A.being written B.Wrote C.Write D.Writing 28.He would rather ______ his parents with their housework than _____ out to play games.A.to help, to go B.help, go C.help, to go D.to help, go 29.The boy had his leg _____ while ____ football.A.broken, playing

B.break, play C.broken, played D.broke, was playing

A.it was almost six o'clock

D.we had a rest and then had supper 30.Having finished the work,_____.B.a postman came and delivered the evening paper and some letters C.supper had been already prepared 31.He is ill.He has kept_____.A.coughing all along B.to cough at night C.cough since yesterday D.being coughed day and night 32.It is no use ____ without _____.A.to talk, doing B.taking, being done C.talking, doing D.being talked, being to do 33.“I usually go there by boat.”

“Why not _____ by train for a change?” A.try going B.to try going C.trying to go D.to try and go 34._____, she felt quite shy at the party.A.As she a stranger B.Being a stranger C.According to a stranger D.She like a stranger 35.Every morning he gets up early and practises ______ and then _____ to school.A.to read English, go B.reading English, going C.reading English, goes D.of reading English, goes 36.While _____ football on tin playground, I found 'my keys ______.A.playing, lost , B.play, losing C.played, being lost D.having played, lost 37.____ the same mistakes again made his parents very angry.A.His having made B.He has made C.He had making D.Him making 38.Dick made it ______ to all his friends.A.to know B.known C.know D.knowing 39.Anna spends one hour a day _____ spoken English.A.practise B.to practise C.on practising D.in practising 40.No one was surprised at _____ the examination.A.he passing B.his pass C.him pass D.his passing 41.Although swimming is his favourite sport, yet he doesn't like _____ today.A.to swim B.swimming C.swim D.to have swim 42.She sat at the desk and set about _____ a letter to her friend.A.to write B.writing C.write D.written 43.This soup is cold;it needs _____.A.to heat B.to be heated C.being hot D.heated 44.I went ______a balloon but I didn't see anyone _____ balloons.A.to buy, to sell B.to buy, selling C.buying, selling D.buying, to sell 45.Anna is often heard ______songs in her room.A.sung B.singing C.sing D.to sing 46.The more you practise ______ English, the better your _____ English will be.A.to speak, speaking

B.speaking, spoken C.spoken, spoken D.spoken, speaking 4 語法復習十四:非謂語動詞

(三)——過去分詞

1~5 BCBBD 6~10 CCBCB 11~15 CDCBC 16~20 ABAAC 21~25 ADABA 26~30 ADBAD 31~35 ACABC 36~40 AABDD 41~46 ABBBDB

第二篇:二輪復習過手不忘:高三英語《語法 名詞性從句》練習

高三英語練習

名詞性從句相當于名詞,可分別作主句的主語、表語、賓語和同位語。因此,名詞性從句廳分為主語從句、表語從句、賓語從句和同位從句。

(一)引導名詞性從句的連接詞

1、連接代詞:who, whose, whom, what, which。有詞義,在從句中擔任成分,如主語、表語、賓語、或定語等。

2、連接副詞:when, where, why, how。有詞義,在從句中擔任成分,作狀語。

3、連接詞:that, whether, if, as if。that 無詞義,在從句中不擔任成分,有時可省略;if(whether), as if雖有詞義,但在從句中不擔任成分。

注意:連接代詞與連接副詞在句中不再是疑問句,因而從句中謂語不用疑問式。連接代詞與連接副詞在從句充當句子成分,連接詞whether 和if(是否),as if(好象)在從句中不充當句子成分,只起連接作用。根據句義,如果連接代詞與連接副詞,whether、if 和as if都用不上時,才用that作連接詞(that本身無任何含義)。

(二)主語從句

1、主語從句在復合句作主語。

e.g.Who will go is not important.2、用it作形式主語,主語從句放在句末。

e.g.It doesn’t matter so much whether you will come or not.3、that引導主語從句時,不能省略。

e.g.That he suddenly fell ill last week made us surprised.(三)表語從句

1、表語從句在復合句中作表語,位于系動詞之后。

e.g.The question was who could go there.2、引導表語從句的連接詞that有時可省去。

e.g.My idea is(that)we can get more comrades to help in the work.(四)賓語從句

1、賓語從句在復合句中作賓語。引導賓語從句的連詞that一般可省略。

e.g.I hope(that)everything is all right.2、介詞之后的賓語從句,不可用which或if連接,要分別用what或 whether。

e.g.I’m interested in whether you’ve finished the work..I’m interested in what you’ve said.3、whether與if都可以引導賓語從句,常可互換。但下面情況不能互換。

①賓語從句是否定句時,只用if,不用whether。

e.g.I wonder if it doesn’t rain.②用if 會引起誤解,就要用whether。

e.g.Please let me know whether you want to go.(此句如果把whether改成if,容易當成條件句理解)③賓語從句中的whether 與or not直接連用,就不能換成if;不直接連用,可換。e.g.I don’t know whether or not the report is true.I don’t know whether/ if the report is true or not.④介詞后的賓語從句要用whether引導。whether 可與不定式連用。whether也可引導主語從句、表語從句、同位語從句,還可引導讓步狀語從句,以上均不能換成if。但引導條件從句時,只能用if,而不能用whether。

e.g.It depends on whether we have enough time.They don’t know whether to go there.Please come to see me if you have time.(五)同位語從句

同位語從句在句中作某一名詞的同位語,一般位于該名詞(如:news, fact, idea, suggestion, promise等)之后,說明該名詞的具體內容。

e.g.I have no idea when he will be back.The fact that he had not said anything surprised everybody.一、判斷下列各句哪句含有名詞性從句,并指出是什么從句: 1.China is no longer what it used to be.2.The truth that the earth turn around the sun is known to all.3.It was snowing when he arrived at the station.4.How he persuaded the manager to change the plan is interesting to us all.5.The news that they had won the game soon spread over the whole school.6.The news that you told me yesterday was really disappointing.7.That is where Lu Xun used to live.8.He spoke as if he understood what he was talking about.9.Do you remember the teacher who taught us English at middle school? 10.I wonder why she refused my invitation.二、用適當的連詞填空:

1.I can’t decide ____________ dictionary I should buy.2.That’s ____________ he refused my invitation.3.I am very interested in ____________ he has improved his pronunciation in such a short time.4.____________ we need is more time.5.The fact ____________ she had not said anything at the meeting surprised everybody.6.____________ and ____________ they will meet has not been decided yet.7.Please tell me ____________ you are waiting for.8.Is that ____________ you are looking for? 9.Would you please tell me ____________ the nearest post office is? 10.I don’t know ____________ he will agree to the plan or not.三、選擇填空:

1.Do you see _____ I mean? A.that

B./

C.how

D.what 2.Tell me_____ is on your mind.A.that B.what C.which D.why 3.We must stick to _____ we have agreed on.A.what B.that C./

D.how 4.Let me see _____.A.that can I repair the radio B.whether-I can repair the radio C.I can repair the radio

D.whether can I repair the radio 5.Keep in mind _____.A.that the teacher said

B.what did the teacher say C.that did the teacher say D.what the teacher said 6.Could you advise me _____? A.which book should I read first B.what book should I read first C.that book 1 should read first D.which book I should read first 7.He was criticized for _____.A.he had done it B.what he had done C.what had he done D.that he had done it 8.Would you kindly tell me _____? A.how can I get to the Beijing Railway Station B.how I can get to the Beijing Railway Station C.where can I get to the Beijing Railway Station D.whether can I get to the Beijing Railway Station

9.Mrs.Smith was very much impressed by _____.A.what had she seen in China B.that she had seen in China C.what she had seen in China D.which had she seen in China 10.We took it for granted ___ A.that they were not coming B.that were they not coming C.they were coming not D.were they not coining 11.I really don't know _____ A.I should do next B.what should I do next C.what I should do next

D.how I should do next 12.I'm afraid _____.A.the little girl will have to be operated on B.that will the little girl have to operate on C.the little girl will have to operate on D.that will the little girl have to be operated on 13.She walked up to _____.A.where did I stand

B.where I stood C.I stood there

D.where I stood there 14.Can you tell me _____? A.who is that gentleman

B.that gentleman is who C.who that gentleman is

D.whom.is that gentleman 15.We'll give you _____.A.that do you need

B.what do you need C.whatever you need

D.whether do you need 16.They want us to know _____ to help us.A.what can they B.what they can C.how they can D.how can they 17.We must put _____ into practice.A.what we have learned B.that we have learned C.that have we learned D.what have we learned 18.Did she say anything about _____? A.that the work was to be done B.how was the work to be done C.that was the work to be done D.how the work was to be done 19.He was never satisfied with _____.A.what she had achieved

B.had what she achieved C.she had achieved

D.that she achieved 20.These photographs will show you _____.A.what does our village look like B.what our village looks like C.how does our village look like D.how our village looks like 21.Peter insisted _____ he pay the bill.A.on that

B.what C.that D.on which 22.They urged _____ the library open during the vacation.A.when

B.where C.why

D.that 23.We wish we could have learned _____ when we were at high school.A.what you did

B.that you had done C.that what you did

D.what did you do 24.1 will describe to you _____ I saw when there.A.what

B.that C.which D./ 25.From _____ I should say he is a good worker.A.what 1 know of him

B.that I do know of him C.what do I know of him

D.that do I know of him 26.I will give this dictionary to __ wants to have it.A.whomever B.anyone C.whoever D.someone 27._____ they will come here hasn' t been decided yet.A.What

B.That C.When D.Where 28._____ was said here must be kept secret.A.Who B.The thing C.Whatever D.Where 29.It is still a question _____ we shall have our sports meet.A.if

B.that

C.what

D.when 30.I'm going anyway._____ she will go is up to her to decide.A.If or not B.Whether or not C.If

D.That 31.It is strange _____ she have left without saying a word.A.that

B.what

C.why

D.how 32.It is very clear _____ our policy is a correct one.A.what

B.that

C.why D.where 33._____ Mr Zhang said is quite right.A.That B.When C.What

D.Whether 34.It has been decided _____ he will be sent there.A.if

B.whether C.why

D.that 35.It doesn' t matter _____he' s come back or not.A.if

B.whether

C.that

D.when 36.It's a great pity _____ we won’t be able to finish the task on time.A.when B.that

C.why D.where 37.It happened _____ I wasn't there that day.A.when B.why

C.where D.that 38._____ you have done might do harm to other people.A.What B.That

C.Which D.The things 39._____ leaves the room last ought to turn oft the lights.A.Anyone B.The person C.Whoever D.Who 40._____ the 2000 Olympic Games won't be held in Beijing is known to all.A.Whether B.If

C.Whenever D.That 41._____ fails to see this will make a big mistake.A.That

B.Whoever

C.Whether D.Whether or not 42.__ we need more equipment is quite obvious.A.What B.Whether

C.That

D.Whatever 43.Has it been announced _____? A.when are the planes to take off B.that are the planes to take off C.where are the planes to take off D.when the planes are to take off 44.That is _____ we all support his idea.A.what B.why

C.where D.when 45.That’s _____ we should do.A.that B.what C.how

D.why 46._____ is troubling me is _____ I don’t understand _____ he said

A.What;that;what

B.What;what;what C.That;that;what

D.Why;that;which 47.Things were not _____ they seemed to be.A.when B.why

C.that D.what 48.That’s _____ I want to say.A.all what B.what C.all which D.what that 49.That’s _____.A.where our differences lie B.our differences lie there C.where do our differences lie D.that where our differences lie 50.That is _____.A.where lived he there B.where did he live C.where he lived

D.that where he lived 51.The questions is _____.A.whether is it worth doing B.that if it is worth doing C.whether it is worth doing D.if it is worth doing 52.Water will continue to be _____ it is today next in importance to oxygen.A.how

B.which C.what D.as 53.That's_____.A.how did I become a teacher B.how I became a teacher C.how a teacher I became D.that I became a teacher 54.They are just _____.A.that what shall I have

B.what shall I have C.that I shall have what

D.what I shall have 55.It looked ____.A.as if it was going to rain B.that as if it was going to rain C.as if was it going to rain D.as if that it was going to rain 56.That's_____.A.how she did it

B.that how did she do it.C.how did she do it

D.what she did it 57.That is _____ we decided to put the discussion off.A.where B.which C.that D.why 58.That’s _____ I lived when I was ten years old.A.where B.at which C.there where D.when 59.My suggestion is _____ we should send a few comrades to help them.A.if B.that C.when that D.that where 60.The idea _____ all people are selfish is wrong.A.what

B.that C.why D.if 61.We heard the news _____ our team had won.A.that

B.what C.whether D.why 62.The fact _____ he hadn’t said anything surprised us all.A.why

B.if

C.that D.whether 63.I have no idea _____ she will be back.A.that B.where C.that when

D.when 64.We must keep in mind the fact _____ China is still a developing country.A.whether B.that C.why

D.when 65.They have no idea at all _____.A.where he has gone

B.where did he go C.where has he gone

D.which place he has gone 6

語法復習三:名詞性從句

一、1、表語從句;

2、同位語從句;

3、不是;

4、主語從句;

5、同位語從句;

6、不是;

7、表語從句;

8、賓語從句;

9、不是;

10、賓語從句

二、1.which;2.why;3.how;4.What;5.that;6.when, where;7.who(m);8.what;9.where;10.whether

三、1~5 DBABD 6~10 DBBCA 11~15 CABCC 16~20 BADAB 21~25 CDAAA 26~30 CCCDB 31~35 ABCDB 36~40 BDACD 41~45 BCDBB 46~50 ADBAC 51~55 CCBDA 56~60 ADABB 61~65 ACDBA

第三篇:高三英語語法練習-從句

連詞

一、知識網絡

并列連詞(but, yet, however, nevertheless, for, so, therefore, and, or, either…or…, neither…nor…, both…and…, as well as)

連詞 從屬連詞(when, while, as, before, after, until, till, whether, since, the moment, where, if, unless, suppose, supposing, providing, provided, as long as, in order that, so that, so, lest, because, since, so…that…, such…that, although/though, even though/if, than, than, like, as if/though)

二、方法指點

連詞分為并列連詞和從屬連詞兩大類。

并列連詞是連接主語與主語,謂語與謂語,句子與句子,分詞與分詞的詞,它要求前后兩部分有相同的形式和語法作用;而從屬連詞一般連接主句與從句,從句形式有名詞性從句,定語從句和狀語從句等

三、重點講解:

定義:用來連接詞、短語、從句與句子的詞叫連詞。連詞是一種虛詞,在句子中不重讀,不能獨立擔任句子成分。

Slow but sure.要慢而穩。(連接單詞)

We may be leaving today or tomorrow.我們可能今天或明天走。(連接詞與詞)

Now I must go or I shall be late for the party.我現在得走,否則晚會我就要遲到了。(連接句與句)

I went and she went also.我去了,她也去了。(連接分句)

(一)連接具有并列關系的詞、短語或句子的連詞叫并列連詞。根據其意義,并列連詞又可分為表示聯 合、轉折、選 擇和因果等四種關系的連詞。

1. 表示聯合關系的并列連詞: 表示聯合關系的并列連詞有:and(和),both…and…(既……又……),neither…nor…(既不….y也不….),not only…but also….(不但…..而且…..),as well as(除….外,也…..),如: I am a teacher and he is a doctor.He has experience as well as knowledge.(He has not only knowledge but also experience.)Neither I nor he has seen the film.2. 表示轉折關系的并列連詞: 表示轉折關系的并列連詞有:but(可是,但是),while(而,然而),yet(可是),however(然 而,但是),whereas(而),nevertheless(然而,不過),如:I am willing, yet unable.我心有余而力不足。He is short, while his brother is tall.他個子矮而他兄弟個子高plain.3. 表示選擇關系的并列連詞: 表示選擇關系的并列連詞有:or(或),or else(否則),otherwise(要不然),either….or…(或….或….,不是…..就是…..),rather than(而不,也不),如:John or I am to blame.Seize the chance, otherwise(or else)you’ll regret it.(otherwise, or else 常放在祈使句后面)You can either stay at home or go fishing.He went rather than stay as an unwelcome guest.。

4. 表示因果關系的并列連詞:(1)表示因果關系的并列連詞有:so(所以),for(因為),如:It is morning, for the birds are singing.是早晨了,因為鳥叫了。It was late, so I went home.天已晚了,因此我就回家了。

(2)then(那么,因而),thus(因而),hence(因此),therefore(因此,所以)等副詞常可放句首表示因果關系,如: He studied hard, thus he got a full mark.His car broke down, thus he was late for work.It is winter now;hence the days will be shorter.。

(二)從屬連詞: 用來連接主句和從句的連詞叫從屬連詞。

1. 引導名詞性從句的從屬連詞: 引導名詞性從句的從屬連詞有連接詞 that, whether 和 if, 這些連接詞在句中不充當任何句子成分;

連接代詞主要有who, whom, whose, which, what 等,它們在句中可作主語、賓語、定語等; 連接副詞主要 有when, where, how, why 等,它們在句中可作狀語(相見名詞性從句),如:We know(that)the earth goes round the sun.(賓語從句)What we need is more time.我們需要的是時間。(主語從句)That’s what I want.(表語從句)The news that our team had won was very exciting.(同位語從句)

2. 引導狀語從句的從屬連詞

(1)引導時間狀語從句的從屬連詞: 引導時間狀語從句的從屬連詞有when(當…..時),while(在…期間),as(當….時,一邊…一邊),after(在….之后),before(在….之前),since(自從….以來),till/until(直到,直到….才),once(一旦…..), as soon as(一….就….), the moment/instant(一…..就….), no sooner….than….(剛….就….), hardly…..when(一……..就….)等,如:Once you begin, you must go on.(2)When it rains, I go on school by bus.When: Don’t get excited when you talk.When he got up he felt dizzy.While: We must strike while the iron is hot.While she ate she grew more restless.As: As he spoke two men came up.He smiled as he passed.Before: Look before you leap.It will be five years before we meet again.After: I arrived after he had left.I’ll tell them after you have left.Until, till : I’ll take no steps until you arrive.I propose waiting till the police get here.Since: How long is it since you came to London? It was years since I had seen her.Whenever: I go and visit him whenever I’m in town.Whenever possible, they play outside.(3)引導原因狀語從句的從屬連詞: 引導原因狀語從句的從屬連詞有as(由于),because(因為),since(既然)等,如: He didn’t go to school because he was ill.Since everybody is here, let’s begin.Because: Because it was wet he took a taxi.As: As David had a passion for walking, we started off on foot.還有一些表示原因的狀語從句由seeing(that),considering(that)或now that 等引導: Please don’t try to back out now that everything has been arranged.Now you’re here, you may make yourself useful.許多用在形容詞后的that 從句也起原因狀語的作用(that 有時可省略):She was glad that she had controlled herself.I’m disappointed that they cannot come.引導地點狀語從句的從屬連詞: 引導地點狀語從句的從屬連詞有where(在….地方),wherever(無論在…..哪里)等,如:Wherever she may be, she will be happy.Where there is a will, there is a way.(4)引導條件狀語從句的從屬連詞

① 條件狀語從句的從屬連詞主要由if, unless, supposing(suppose)引導:

if: I must leave if that’s the case.如果情況如此我就得走了。He will come if asked.如果邀請的話他會來的。

unless: I won’t write unless he writes first.I’ll go there tomorrow unless it rains.supposing: Supposing that he asks you, will you go? Supposing his plan goes wrong, what will you do then?

suppose: Suppose she finds out, what shall we do then? Suppose you lost your job tomorrow, what would you do?

provided: I will agree to go provided(providing)(that)my expenses are paid.She agreed to go and work there provided that her family could go with her.providing: I’ll dry the dishes, providing that you do the washing-up.② 條件狀語從句還有其他形式:They’ll stand by you even if you don’t succeed.You will always have a home as long as I have anything.此外,as long as, so long as, in case, even if 都起連詞作用。

(5)引導目的狀語從句的從屬連詞:引導目的狀語從句的從屬連詞有that(以便),so that(為了),in order that(為了)lest(以防,免得),in case(以防,免得)等,如:She took medicine on time in order that she might get well soon.I came here that I might take a good look at the new bridge.in order that: I lent him £50 in order(so)that he might go for a holiday.so that: Ask her to hurry up with the letters so that I can sign them.so: Can’t you fix it somehow so you could stay longer? that: I am anxious to get done that I may be back in Ireland.lest: He hurried on, lest she should meet him again.(6)引導結果狀語從句的從屬連詞:引導結果狀語從句的從屬連詞有so(結果),so that(結果),so…..that/such….that(如 此…..以致),that(以致)等,(that 有時可以省略,特別是在口語中)如: It was very cold, so that the water in the bowl froze.He is such a good student that we all like him.so…that: He was so young that you must excuse him.such…that: Jim made such a noise that his sister told him to be quiet.(7)引導讓步狀語從句的從屬連詞:引導讓步狀語從句的從屬連詞有though/although(雖然),as(雖然),even if/even though(即使),however(無論怎樣),whatever(無論什么),whoever(無論誰),no matter how/what/which……(無論多么/什么/哪一 個……)等,如:Even if you were here yesterday, you couldn’t help him.(8)引導方式狀語從句的從屬連詞:引導方式狀語從句的從屬連詞有as(正如),as if/as though(好像,似乎)等,如: He speaks English as if he were an English-man.Use a book as a bee does a flower.(9)引導比較狀語從句的從屬連詞: 引導比較狀語從句的從屬連詞有 as(如……), as…….as….,(像….一樣),not so …..as…..(與…不一樣),than(比)等,如:He works harder than before.His elder sister is as tall as his mother.儲存連詞:

1.引導時間狀語從句的從屬連詞: 引導時間狀語從句的從屬連詞有________(當…..時),_____(在…期間),____(當….時,一邊…一邊),_______(在….之后),______(在….之前),______(自從….以來),_______(直到,直到….才),________(一 旦…..),___________(一….就….), __________(一…..就….), ___________(剛….就….), _________(一……..就….)等,如:Once you begin, you must go on.你一開了頭,就應該繼續下去

2.引導原因狀語從句的從屬連詞:引導原因狀語從句的從屬連詞有______(由于),________(因為),______(既然)等.3.引導地點狀語從句的從屬連詞: 引導地點狀語從句的從屬連詞有_______在….地方),___________(無論在…..哪里)Where there is a will, there is a way.有志者,事竟成。

4.引導條件狀語從句的從屬連詞 條件狀語從句的從屬連詞主要由________________________)引導:此外_______________________________都起連 詞作用。

5.引導目的狀語從句的從屬連詞:引導目的狀語從句的從屬連詞有________(以便),_________(為了),______________(為 了)________(以防,免得),___________(以防,免得)等,6.引導結果狀語從句的從屬連詞:引導結果狀語從句的從屬連詞有______(結果),________(結果),___________--(如此…..以致),_________(以致)等,(that 有時可以省略,特別是在口語中)如: 7. 引導讓步狀語從句的從屬連詞:引導讓步狀語從句的從屬連詞有________________(雖然),________(雖然),____________________(即使),__________r(無論怎樣),___________(無論什么),__________-(無論誰),__________________________(無論多么/什么/哪一個……)等。

8.引導比較狀語從句的從屬連詞: 引導比較狀語從句的從屬連詞有________(如……),____________,(像….一樣),_________________.(與…不一樣),__________(比)等。

(三)部分易混連詞的用法比較

(一)when 和while

1.兩個詞都可以表示“當……..時”,引導時間狀語從句。When 引導時間狀語從句的謂語動詞既可以是延續性的,也可 以是終止性的;while 引導時間狀語從句的謂語動詞只能是延續性的 He was doing his homework when I came in.I came in when/while he was doing his homework.While/when I was in the town, I saw him twice.2.When 還可譯作“這時”,while 可譯作“而,然而” He was playing football outside when it began to rain.He is tall while his elder brother is short.(二)though 和 as:兩個詞都可以表示“雖然”,引導讓步狀語從句。Though 引導的從句可用正常語序,也可用倒裝語 序。As 引導的從句要用倒裝語序,即把從句中的表語、狀語或動詞原形放在as 之前,如:

1. 盡管天氣冷,可他仍然繼續工作。Cold as it was, he went on working.<-> Though it was cold, he went on working.Cold though it is, he went on working.2. 雖然他還是個孩子,可懂很多事情。Child as he is, he knows a lot.<-> Though he is a child, he knows a lot.Child though he is, he knows a lot.3. 盡管你讀得快,你也不能在三天內讀完這本書。Fast as you read, you can’t finish the book in three days./ Fast though you read, you can’t finish the book in three days.Though you read fast, you can’t finish the book in three days./ Try though he might, he couldn’t get rid of the difficulty.4. 不管怎樣努力,他還是擺脫不了困難。Try as he might, he couldn’t get rid of the difficulty.Though he might try, he couldn’t get rid of the difficulty.(三)because, as, since 和 for for 是并列連詞,語氣最弱,對前面分句加以解釋或表示推斷的原因。引導的分句一般置于句末,從句前要用逗號。

Because 表示產生某結果的必有原因,語氣最強,引導的從句可以置于句首或句末,放在句首時通常用逗號。

As 表示原因時,語氣不如because 那么強,可譯為“因為,由于”,引導的從句常置于句首。

Since 可譯為“既然”,往往表示一些顯而易見的原因,語氣不如because 強,引導的從句常置于句首。It must have rained last night, for the ground is wet.As she was in a bad mood, we left her alone.He is absent from school because he is ill.Because /as it was wet, we went there by bus.Since a lot of people make mistakes in life, Mr.Smith wanted to give John a chance.(四)if 和 whether

1.表示“是否”時兩個詞都能引導賓語從句I wonder if/whether you can examine him now.2. 如果主句的謂語是短語動詞,用whether, 而不用if Everything depends on whether we have enough money.3. 某些動詞(如discuss)后的賓語從句,用whether, 而不用if They discussed whether they should help her.3. 賓語從句置于句首時,用whether,不用if Whether it is true or not, I can’t say.4. 賓語從句為否定形式時,通常if,而不用whether I asked her if he would come.5. if 可譯作“如果”引導條件狀語從句If I were you, I would not go.6. Whether 可譯作“不管,無論”,引導讓步狀語從句Whether he agrees or not, I shall do that.不管他同意與否我都要做這事。

7. Whether 可引導主語從句、表語從句、同位語從句、接不定式,或接or not 等(if 則不能)

Whether he will come or not is unknown.(主語從句)

The question is whether it is worth doing.(表語從句)

I have no idea whether he is there.(同位語從句)

I don’t know whether he will do it or not.(接or not)She hasn’t decided whether to go or not.(接不定式)

★比較so 和 such 其規律由so 與such 的不同詞性決定。

such 是形容詞,修飾名詞或名詞詞組,so 是副詞,只能修 飾形容詞或副詞。so 還可與表示數量的形容詞many,few,much,little 連用,形成固定搭配。

so + adj.such + a(n)+ n.so + adj.+ a(n)+ n.such + n.(pl.)so + adj.+ n.(pl.)

such +n.(pl.)so + adj.+ n.[不可數]

such +n.[不可數] so foolish

such a fool

so nice a flower

such a nice flower so many/ few flowers

such nice flowers so much/little money.such rapid progress so many people

such a lot of people

so many 已成固定搭配,a lot of 雖相當于 many,但 a lot of 為名詞性的,只能用such 搭配。so…that 與such…that之間的轉換既為 so 與such 之間的轉換

Practice :

Part 1:

17.“You can’t have this football back ____ you promise not to kick it at my cat again,” the old man said firmly.(2006 廣東)

A.because B.since C.when D.until

18.I grew up in Africa.____at least I should say that I spent much of the first ten years of my life there.(遼寧’06)

A.and B.or C.so D.but

19.Progress so far has been very good.____, we are sure that the project will be completed on time.(浙江’06)

A.However B.Otherwise C.Therefore D.Besides

20.A man cannot smile like a child, ____a child smiles with his eyes , while a man smiles with his lips alone.(湖 南’06)A.so B.but C.and D.for 17.D 18.B 19.C 20.D

第四篇:高三生物二輪復習培優練習(六)

瑞昌二中 高三生物二輪復習培優練習

(六)1.下列有關蛋白質的敘述中,正確的是()A.蛋白質熱變性時肽鍵數減少

B.載體蛋白形狀改變的過程,不一定消耗ATP C.RNA聚合酶催化的底物是RNA

D.癌細胞快速增殖過程中能合成大量粘連蛋白

2.某50肽中有丙氨酸(R基為—CH3)4個,現脫掉其中的丙氨酸(相應位置如圖)得到4條多肽鏈和5個氨基酸(脫下的氨基酸均以游離態正常存在)。下列有關敘述錯誤的是()

A.該50肽水解得到的幾種有機物比原50肽增加了4個氧原子 B.若將得到的5個氨基酸縮合成5肽,則有5種不同的氨基酸序列

C.若新生成的4條多肽鏈總共有5個羧基,那么其中必有1個羧基在R基上 D.若將新生成的4條多肽鏈重新連接成一條長鏈將脫去3個H2O 3.顏色變化常作為生物實驗結果觀察的一項重要指標,下面是一些學生在實驗中遇到的問題,其中的正確操作或想法是

A.用滴管在花生子葉薄片上滴加蘇丹III染液,發現滿視野都呈現橘黃色,于是滴 1-2滴50%鹽酸洗去浮色

B.取新鮮菠菜葉,加少許SiO2和丙酮,研磨液呈黃綠色。于是判斷是菠菜葉用量太少導致

C.在紙層析法分離葉綠體中色素的結果中,藍綠色帶最寬,可判斷為葉綠素在層析液中溶解度最高

D.用高倍鏡觀察葉綠體和線粒體時,葉綠體不需染色,線粒體用健那綠染色 4.下列樣本與斐林試劑水浴加熱后不產生磚紅色沉淀的是

A.發芽小麥研磨液40℃恒溫10min之后的上清液

B.煮沸的蘋果提取液 C.煮沸的蔗糖溶液

D.糖尿病人的尿液 5.下列關于脂質的敘述不正確的是

A.有些脂質可以作為生物體內的儲能物質

B.有些脂質是所有細胞都具有的重要成分

C.有些脂質可以參與血液中糖類的運輸

D.有些脂質可以促進鈣的吸收 6.下列關于“觀察DNA和RNA在細胞中的分布”實驗的說法,正確的是

A.甲基綠和吡羅紅對DNA和RNA的親和力不同,實驗中應分別加入甲基綠和吡羅紅 B.鹽酸能夠改變細胞膜的通透性,加速染色劑進入細胞

C.該實驗用口腔上皮細胞而不用葉肉細胞,是因為葉肉細胞不含RNA D.鹽酸有利于染色體中DNA與蛋白質分開,不利于DNA與染色劑結合 7.下列試劑與鑒定的物質及顏色變化對應不正確的是

A.雙縮脲試劑—蛋白質—紫色

B.蘇丹Ⅲ染液—脂肪—紅色 C.斐林試劑—麥芽糖—磚紅色

D.碘液—淀粉—藍色

8.下圖①~⑥表示不同化學元素所組成的化合物,以下說法不正確的是()

A.若②是細胞膜的脂質成分,則不具有物種的特異性

B.若圖中⑤為過氧化氫酶,則①經脫水縮合形成⑤的過程發生核糖體

C.若②為多聚體,且能貯存生物的遺傳信息,則②一定是DNA

D.若④主要在人體肝臟和肌肉內合成,則④最可能是糖原 9.下列關于細胞結構和生物體內化合物的敘述正確的是()A.抗體、激素、神經遞質、酶發揮一次作用后都將失去生物活性 B.ATP脫去兩個磷酸基團后成為RNA的基本組成單位之一 C.藍藻和綠藻都能進行光合作用,故二者含有的光合色素相同 D.細菌代謝速率極快,細胞膜和細胞器膜為酶提供了附著位置

10.在下列化合物的化學組成中,與圓圈中“A”所對應的名稱相符的是

A.①一腺嘌呤核糖核苷酸

B.②一腺苷 C.③一腺嘌呤脫氧核苷酸

D.④一腺嘌呤

11.2014年6月8日,清華大學宣布:該校首次解析了人源葡萄糖轉運蛋白(GLUT1)的晶體結構,這在人類攻克重大疾病的探索道路上邁出了極為重要的一步。下列關于葡萄糖轉運蛋白的敘述錯誤的是()

A.葡萄糖轉運蛋白的功能取決于氨基酸的序列,與空間結構無關

B.人源葡萄糖轉運蛋白的mRNA在細胞核中形成 C.葡萄糖轉運蛋白的基本連接鍵是肽鍵

D.阻礙腫瘤細胞的葡萄糖轉運蛋白的功能,可達到“餓死”腫瘤細胞的目的 12.下列說法錯誤的是

()

A.休眠的蠶豆子葉細胞比洋蔥根尖分生區細胞中結合水的相對含量多

B.能產生激素的細胞一定能產生酶,能產生酶的細胞不一定能產生激素

C.原核細胞內沒有成形的細胞核,沒有核膜的細胞屬于原核細胞

D.細胞學說內容揭示了動植物細胞結構的統一性

13.下圖表示油菜種子在成熟過程中種子質量和有機物相對含量的變化趨勢,下列相關敘述不正確的是()A.大量糖類輸入并參與代謝,導致種子質量不斷增加 B.細胞代謝利用大量糖類,導致淀粉含量降低 C.糖類不斷轉化為脂質,導致脂質含量持續增加 D.糖類不轉化為蛋白質,導致含氮物質含量不變 14.下列對下圖曲線a和b的描述不正確的是()A.a和b可分別代表萌發的植物種子在出土之前蛋白質種類和干重的變化

B.a和b可分別代表夏季晴天正午時分棉花葉肉細胞中二磷酸腺苷和NADPH含量的變化

C.a和b可分別代表質壁分離過程中植物細胞滲透吸水能力和原生質體體積的變化

D.a和b可分別代表細胞分化程度和全能性高低的變化

15.下列有關細胞的成分、結構及其功能的敘述,正確的是()A.維生素D和膽固醇屬于脂質,可以被蘇丹Ⅳ染液染成紅色 B.卵細胞體積大有利于和周圍環境進行物質交換 C.內質網既參與物質合成,也參與物質運輸

D.洋蔥的根尖細胞中無葉綠體,所以用根尖細胞不能培養出含葉綠體的植物體

16.下圖甲、乙、丙為組成生物體的相關化合物,乙為一個由α、β、γ三條多肽鏈形成的蛋白質分子,共含271個氨基酸,圖中每條虛線表示由兩個巰基(—SH)脫氫形成一個二硫健(—S—S—)。下列相關敘述不正確的是()

A.甲為組成乙的基本單位,且乙中最多含有20種甲 B.由不同的甲形成乙后,相對分子量比原來少了4832 C.丙主要存在于細胞核中,且在乙的生物合成中具有重要作用

D.如果甲中的R為C3H5O2,則由兩分子甲形成的化合物中含有16個H原子 17.下列物質分子、結構與功能的對應,不正確是

A.乙酰膽堿-突觸小泡-信號分子

B.纖維素-細胞壁-儲能物質 C.脫氧核糖核酸-染色體-遺傳物質

D.磷脂-細胞膜-基本支架 18.下列關于生物體內化合物的說法不正確的是

A.脂肪是既能貯能又具有保溫作用的物質

B.糖類是細胞內唯一的能源物質 C.無機鹽離子可以維持細胞的酸堿平衡

D.核酸是細胞內攜帶遺傳信息的物質 19.下列關于細胞結構與功能敘述中,正確的是()A.水分在衰老、癌變細胞中含量較少,而在分裂、成熟的細胞中含量較多 B.[H]在葉綠體中隨水的分解而產生,ATP在線粒體中只能隨水的生成而產生

C.吞噬細胞攝取流感病毒與抗體結合形成的沉淀并將其水解,可產生4種核糖核苷酸 D.設法讓洋蔥根尖吸收含3H標記的尿嘧啶核糖核苷酸,只能在分生區細胞中檢測到放射性

20.對下列幾種微生物的敘述中,正確的是()①酵母菌

②乳酸菌

③硝化細菌

④藍藻 ⑤煙草花葉病毒

⑥噬菌體 A.從代謝類型上看,①②為異養生物,③④為自養生物 B.從結構上看,①為真核生物,②③④⑥為原核生物 C.從組成成分上看,所有生物都含有蛋白質和DNA

D.從生態系統的成分上看,①②③是分解者,④是生產者

21.下列關于細胞這一最基本生命系統共性的敘述,不正確的是()A.都有磷脂和蛋白質構成的細胞膜

B.都有膜包被的功能專一的細胞器 C.都以核糖體作為蛋白質合成場所

D.都在DNA分子中儲存遺傳信息 22.下列敘述與糖蛋白有密切關系的是

①胃黏膜上皮細胞的保護作用

②呼吸道上皮細胞的潤滑作用

③麗藻吸收周圍水中的K+

④紅細胞吸收葡萄糖

⑤落在豌豆花上的玉米花粉無法完成受精作用

⑥人體免疫細胞識別外來侵入物

⑦癌細胞擴散

⑧使細胞與周圍環境分開

A.③⑤⑥⑦

B.①②⑥⑧

C.①②⑤⑥⑦

D.③④⑤⑥⑦ 23.下列物質與功能的對應關系錯誤的一組是

A.糖蛋白——識別與信息交流 B.纖維素——為人體細胞提供能量

C.DNA——攜帶遺傳信息

D.磷脂——構成生物膜

24.下列有關生命的物質基礎和結構基礎的敘述,錯誤的是 A.ATP、核苷酸、噬菌體的組成元素一定含有C、H、O、N、P B.線粒體、核糖體、染色體、葉綠體等結構中都含有DNA C.抗體、受體、酶、tRNA的功能都具有特異性

D.磷脂是構成細胞膜的重要物質 25.對生命系統認識正確的是

A.蛋白質、核酸等大分子屬于生命系統的一個層次

B.生態系統這個層次代表一定自然區域內相互間有直接或間接聯系的所有生物 C.生物個體中由功能相關的器官聯合組成的系統層次,是每種生物個體都具備的 D.能完整表現生命活動的最小生命系統是細胞 26.下列過程中涉及肽鍵數量變化的是()

A.洋蔥根尖細胞染色體的復制

B.用纖維素酶處理植物細胞

C.小腸上皮細胞吸收氨基酸

D.蛋清中加入NaCl使蛋白質析出

27.地球上的生命形式估計有幾千萬種,有些生物僅由一個細胞構成,另一些生物則由數百乃至萬億計的細胞構成。則下列說法錯誤的是()。

A.細胞是構成生命體的基本單位,所有細胞的細胞膜成分主要是磷脂和蛋白質 B.形態結構和功能的統一是各類生物所共同遵循的基本原則 C.所有細胞都以一分為二的方式進行分裂

D.各種生物均含有C、H、O、P、N、K等大量元素

28.下列關于組成生物體的元素和化合物的敘述中,正確的是

A.病毒中含量最高的化合物是水

B.組成淀粉、核糖、脂肪的元素種類相同 C.微量元素在生物體內不可缺少,如葉綠素的組成離不開Mg元素

D.構成蛋白質、核酸、淀粉等生物大分子的單體在排列順序上都具有多樣性

29.細胞學說建立的過程是一個科學家探究、開拓、繼承、修正和發展的過程,充滿了耐人尋味的曲折。下列說法正確的是()A.英國科學家虎克最終建立了細胞學說

B.細胞學說揭示了生物的統一性和多樣性 C.德國科學家施萊登和施旺是細胞的發現者和命名者

D.德國科學家菲爾肖對細胞學說的補充是“所有的細胞都來源于先前存在的細胞” 30.下列關于細胞中化合物的敘述正確的是()A.蔗糖和淀粉水解產物中都有葡萄糖

B.糖元、脂肪、蛋白質和核糖都是生物體內的大分子有機物 C.水是生命之源,是生物體內需氧呼吸和厭氧呼吸共同的終產物

D.在小麥細胞中由A、G、T、C四種堿基參與構成的核苷酸最多有6種 31.甲(ATGG)是一種單鏈DNA片段,乙是該片段的轉錄產物RNA(UACC),丙(A-P~P~P)是轉錄過程中的一種底物。下列敘述錯誤的是()

A.甲、乙、丙的組分中均有糖

B.乙的水解產物中含有丙 C.丙可作為細胞內的直接能源物質

D.甲乙共由6種核苷酸組成

32、下列敘述正確的是()

A.原核生物細胞無線粒體,不能進行有氧呼吸

B.真核生物細胞只進行有絲分裂,原核生物細胞只進行無絲分裂 C.真核生物細胞中一定有細胞核和線粒體

D.真核生物細胞具有生物膜系統,有利于細胞代謝有序進行

33、下列有關生命系統的敘述正確的是()

A.生命系統中各生物體均具有多種組織、器官和系統 B.生物圈是地球上最基本的生命系統和最大的生態系統 C.H1N1流感病毒不屬于生命系統,但其增殖離不開活細胞 D.肌肉細胞里的蛋白質和核酸屬于生命系統的分子層次

34.下列有關生物體內化合物的敘述,正確的是

A.纖維素是植物細胞壁的主要成分,其基本組成單位是葡萄糖 B.動物細胞間的物質主要是蛋白質,可用胃蛋白酶處理動物組織

C.RNA只分布在真核細胞的細胞質中,其組成元素有C、H、O、N、P D.磷脂是線粒體、中心體和葉綠體等結構的生物膜的主要成分 35.下列關于細胞中化合物及其化學鍵的敘述,正確的是

A.tRNA分子中含有一定數量的氫鍵

B.每個ADP分子中含有兩個高能磷酸鍵 C.血紅蛋白中不同肽鏈之間通過氫鍵連接

D.DNA的兩條脫氧核苷酸鏈之間通過磷酸二酯鍵連接 36.關于核酸的敘述,錯誤的是

A.細胞核中發生的轉錄過程有RNA聚合酶的參與 B.植物細胞的線粒體和葉綠體中均可發生DNA的復制

C.雙鏈DNA分子中一條鏈上的磷酸和核糖是通過氫鍵連接的 D.用甲基綠和吡羅紅染色可觀察DNA和RNA在細胞中的分布 瑞昌二中 高三生物二輪復習培優練習

(六)答案

1.B解析:蛋白質熱變性時僅是空間結構改變,肽鍵數不受影響,A錯;協助擴散進行時不需要消耗能量,但載體蛋白在運輸物質時形態發生改變,B正確;RNA聚合酶催化的底物是4種核糖核苷酸,C錯;細胞癌變時,細胞表面的糖蛋白減少,所以癌細胞合成粘連蛋白的速度減慢,D錯。

2A解析:A錯誤:據圖分析可知,每脫掉1個丙氨酸需要破壞2個肽鍵,脫掉4個丙氨酸共破壞了8個肽鍵,有8分子水參與,故該50肽水解得到的幾種有機物比原50肽增加了8個氧原子;B正確:得到的5個氨基酸,其中有4個是相同的丙氨酸,故這5個氨基酸縮合成5肽,可有5種不同的氨基酸序列;C正確:每條肽鏈中至少有1個游離的氨基和1個游離的羧基,故新生成的4條多肽至少有4個氨基,至少有4個羧基,再多出的羧基(或氨基)必定在R基上;D正確:這4條多肽鏈若重新連接成一條長鏈,需要連接3個位點,形成3個肽鍵,脫去3分子水。

3.D解析:用滴管在花生子葉薄片上滴加蘇丹III染液后,用吸水紙吸去染液,再滴1-2滴50%酒精洗去浮色,A錯誤;取新鮮的菠菜葉,加少許SiO2和丙酮,研磨液呈黃綠色,原因很可能是未加碳酸鈣保護色素,導致葉綠素被破壞了,B錯誤;在紙層析法分離葉綠體中色素的結果中,藍綠色帶最寬,可判斷為葉綠素含量最多,在層析液中溶解度最高的是胡蘿卜素,C錯誤;用高倍鏡觀察葉綠體和線粒體時,葉綠體含有葉綠素使其呈現綠色,不需染色,就能觀察到,線粒體可用健那綠染色,D正確

4.C解析:斐林試劑是用來檢測還原性糖的,還原性糖包括葡萄糖,果糖,麥芽糖;分析選項:發芽的小麥研磨液中含有麥芽糖,A正確;煮沸的蘋果提取液中含有果糖,B正確;由于蔗糖是非還原糖,則煮沸的蔗糖溶液不能與斐林試劑反應,C錯誤;糖尿病人的尿液中含有葡萄糖,D正確 5.C 6.B解析:甲基綠和吡羅紅對DNA和RNA的親和力不同,實驗中應加入甲基綠和吡羅紅混合染色劑,A錯;實驗中鹽酸能夠改變細胞膜的通透性,加速染色劑進入細胞,有利于DNA被染上顏色,B正確;該實驗用口腔上皮細胞而不用葉肉細胞,是因為葉肉細胞含葉綠體,呈綠色,這會對實驗的結果呈遮蔽作用,C錯;鹽酸有利于染色體中DNA與蛋白質分開,有利于DNA與染色劑結合,D錯。

7.B解析:蛋白質用雙縮脲試劑鑒定,呈現為紫色,A正確;脂肪可用蘇丹Ⅲ染液鑒定,呈 現橘黃色,也可用蘇丹Ⅳ鑒定,呈現紅色,B錯;麥芽糖為還原性糖,可用斐林試劑鑒定,呈現磚紅色沉淀,C正確;淀粉可用碘液鑒定,呈現藍色,D正確。

8.C解析:根據上圖信息物質有元素C.H.O.N.P.組成②,若②是細胞膜的脂質成分,則該物質為磷脂,磷脂是組成生物膜系統的基本骨架,對所有生物均適合,不具有物種的特異性,A正確;⑤的元素有C.H.O.N.可以代表蛋白質,即過氧化氫酶的化學本質為蛋白質是由氨基酸在核糖體上脫水縮合而形成的,B正確;若②為多聚體,且能貯存生物的遺傳信息,則②可能是DNA或RNA,C錯誤;④元素有C.H.O可以代表糖類,若④主要在人體肝臟和肌肉內合成,則④最可能是糖原,D正確

9.B解析:酶作為催化劑能夠反復利用,而抗體、激素、神經遞質發揮一次作用后都將失去生物活性,A錯誤;ATP為三磷酸腺苷去掉兩個磷酸基團后為腺嘌呤核糖核苷酸即為RNA的基本組成單位之一,B正確;藍藻為原核生物細胞中含有藻藍素和葉綠素,綠藻為真核生物細胞中含有葉綠素a和b,葉黃素和胡蘿卜素四種色素,兩者都可以進行光合作用但是色素不完全相同,C錯誤;細菌屬于原核生物該種生物細胞中只有核糖體一個沒有膜結構的細胞器,D錯誤 10.D

11.A解析: 蛋白質的功能由結構決定,而蛋白質的結構與氨基酸的數量、種類、排列順序及多肽的數量空間結構有關。

12.C解析:休眠的蠶豆子葉細胞代謝較洋蔥根尖分生區細胞弱,因而結合水相對含量多;原核細胞沒有成形的細胞核,但沒有核膜的細胞不一定是原核細胞,如哺乳動物成熟的紅細胞。

13.D解析:糖類可以轉化為蛋白質,含氮物質含量不變表明該類物質的合成分解代謝相平衡。

14.B解析:夏季晴天正午時分棉花葉肉細胞氣孔關閉,吸收的CO2減少,固定產生的C3減少,暗反應的C3的還原減弱,消耗的NADPH減少,因而細胞中NADPH含量應增加不是減少。

15.C解析: 被蘇丹Ⅳ染液染成紅色的是脂肪;細胞體積大,相對表面積小,物質交換效率低;洋蔥的根尖細胞中雖然無葉綠體,但存在表達葉綠體的基因,因而用根尖細胞能培養出含葉綠體的植物體。

16.C解析:甲為氨基酸的結構通式,這是組成多肽的基本單位,氨基酸有約20種;丙為核苷酸,不能確定丙主要存在于細胞核中。

17.B解析:突觸小泡中含有神經遞質,乙酰膽堿是常見的神經遞質,神經遞質屬于信號分子,A正確;細胞壁的主要成分是纖維素和果膠,纖維素不是儲能物質,B錯誤;染色體的主要成分是脫氧核糖核酸和蛋白質,脫氧核糖核酸是生物的遺傳物質,C正確;細胞膜的主要成分是磷脂和蛋白質,磷脂雙分子層構成細胞膜的基本支架,D正確。

18.B解析:脂肪是既是主要貯能物質,又具有保溫作用,A正確;糖類是細胞內主要的能源物質,B錯誤;無機鹽離子可以維持內環境的滲透壓,如0.9%的氯化鈉溶液能維持細胞的形態;C正確;核酸是細胞內攜帶遺傳信息的載體,在生物遺傳、變異和蛋白質的合成中有重要作用

19.C解析:癌變細胞的代謝有所增強,其內水的含量并不會變少,A錯誤;葉綠體中光反應水分解成還原氫,ATP在線粒體的基質中產生二氧化碳的過程和內膜中隨水的生成也能產生,B錯誤;流感病毒與抗體結合形成的沉淀含有RNA和蛋白質因此將其水解后可以得到氨基酸和核糖核苷酸,C正確;含3H標記的尿嘧啶核糖核苷酸是構成RNA的基本單位,因此能夠產生RNA的地方都可以檢測到放射性,如根毛細胞等等,D錯誤

20.A解析:①酵母菌是真核生物,兼性厭氧型生物;②乳酸菌屬于原核生物,專性厭氧型 生物; ③硝化細菌屬于原核生物,能夠進行化能合成作用屬于生產者

④藍藻屬于原核生物,內含有藻藍素和葉綠素能進行光合作用,屬于生產者; ⑤煙草花葉病毒是RNA病毒,營寄生生活;,屬于消費者;⑥噬菌體是DNA病毒,營寄生生活,屬于消費者

21.B解析:磷脂是細胞膜的骨架,細胞膜的功能是通過蛋白質實現的,A正確;原核細胞只有核糖體一個細胞器,且核糖體沒有膜結構,B錯誤;原核和真核細胞都具有核糖體,核糖體是蛋白質的合成產生,C正確;具有細胞結構的生物遺傳物質都是DNA,D正確

22.C解析: ③麗藻吸收周圍水中的K+ 的方式是主動運輸,需要的是載體蛋白 ④紅細胞吸收葡萄糖是協助擴散,需要載體蛋白,⑧使細胞與周圍環境分開的是細胞膜;這些與糖蛋白沒有關系。

23.B解析:糖蛋白位于細胞膜上,具有保護、潤滑、識別、免疫等功能,能在細胞間進行信息交流,A正確;纖維素是構成植物細胞壁的成分,不能為人體細胞提供能量,B錯;DNA是生物的遺傳物質,攜帶著遺傳信息,C正確;生物膜有磷脂雙分子層構成基本骨架,D正確。

24.B解析:核糖體不含有DNA,含有RNA。

25.D解析:蛋白質、核酸等大分子不屬于生命系統的一個層次;生態系統這個層次代表一定自然區域內相互間有直接或間接聯系的所有生物及其無機環境;系統這個層次不是每種生物個體都個備的,如單細胞生物個體沒有系統這個層次。26.A

27.D解析:生命體的基本單位為細胞,所有細胞的細胞膜成分主要是磷脂和蛋白質,A正確;各類生物均遵循形態結構和功能的統一,B正確;不論是有絲分裂、無絲分裂、還是二分裂,都是由一個細胞分裂為兩個細胞,C正確;各種生物均含有C、H、O、P、N等大量元素,不一定含有K,D錯。

28.B解析:病毒只由蛋白質和核酸組成,不含水;淀粉、核糖、脂肪均由C、H、O組成;Mg元素屬于大量元素;構成淀粉的單體是葡萄糖,它在排列順序上不具有多樣性。

29.D解析:細胞學說的建立是德國科學家施旺和施萊登,細胞發現是英國科學家虎克,細胞學說創立時只說明了動、植物都是由細胞構成的,并沒有指出原核細胞和真核細胞;其意義是①闡明了細胞的統一性,②闡明了不同生物(動植物)之間的統一性——千變萬化的動植物通過具有“細胞結構”這一共性統一起來,③標志著生物學研究進入到了“細胞水平”。D正確。

30.A解析:蔗糖的水解產物是葡萄糖和果糖,淀粉的水解產物是葡萄糖,A正確;脂肪不屬于生物體內的大分子有機物,B錯;需氧呼吸能產生水,厭氧呼吸不能產生水,C錯;在小麥細胞中A、G、T、C能構成四種脫氧核苷酸,A、G、C能構成三種核糖核苷酸,D錯。31.B解析:DNA中含有脫氧核糖,RNA、ATP中含有核糖,RNA的徹底水解產物是堿基、核糖、磷酸,不含有丙物質。

32.D解析:好氧細菌屬于原核生物,細胞沒有線粒體但是能夠進行有氧呼吸,A錯誤;真核生物細胞增殖的方式有有絲分裂,無絲分裂和減數分裂;原核生物細胞不進無絲分裂如細菌可以進行二分裂,B錯誤;哺乳動物成熟的紅細胞沒有細胞核和其他細胞器,C錯誤;真核生物細胞具有細胞膜和其他細胞器膜組成的生物膜系統,使細胞代謝有序高效的進行,D正確

33.C解析:生命系統中生物體有單細胞的生物就不具有多種組織、器官和系統,植物沒有系統,A錯誤;.生物圈是地球最大的生態系統,最基本的生命系統是細胞,B錯誤;一切生命活動都離不開細胞,C正確;蛋白質和核酸等生物大分子沒有生命活動不屬于生命系統,D錯誤

34.A解析:纖維素是多糖,基本組成單位是葡萄糖,作用是構成植物細胞壁的主要成分,A 正確;動物細胞間的物質主要是蛋白質,常用胰蛋白酶或膠原蛋白酶處理動物細胞組織,胃蛋白酶的PH較低偏酸性,一般不選擇用胃蛋白酶處理動物組織,B錯誤;RNA主要分布在真核細胞的細胞質中,細胞核中也含有少量的RNA,C錯誤;磷脂是構成細胞膜以及多種細胞器膜等生物膜系統的重要成分,D錯誤 35.A

36.C解析:雙鏈DNA分子中一條鏈上的磷酸和核糖是通過磷酸二酯鍵連接的。

第五篇:高三生物二輪復習培優練習(三)

瑞昌二中 高三生物二輪復習培優練習

(三)1.下列有關生物實驗的說法中正確的是

A.DNA和RNA分布——甲基綠吡羅紅染液處理大腸桿菌后,細胞出現紅色集中區域 B.色素的提取和分離——提取色素時加入無水酒精越多,紙層析時色素帶的顏色越淺 C.觀察細胞有絲分裂——所選材料中,分裂期時間越長的,觀察到染色體機會一定越大 D.觀察細胞減數分裂——顯微鏡下觀察不到著絲點排列在赤道板上的減數分裂時期細胞 2.下列關于生物學實驗的說法,正確的是

A.檢測酵母菌培養過程中是否產生CO2可判斷其呼吸方式 B.用健那綠染液對解離后的細胞染色可觀察其線粒體分布 C.濾紙條上色素帶的寬窄可反映葉綠體中各色素含量的多少 D.以H2O2溶液作為底物可用于探究溫度對酶活性的影響 3.下列有關實驗的敘述不正確的是()A.觀察植物細胞有絲分裂時,處于各時期的細胞可能出現在同一視野中

B.用淀粉、蔗糖酶和淀粉酶探究酶專一性時,可用碘液代替斐林試劑進行鑒定

C.可利用過氧化氫和過氧化氫酶探究pH對酶活性的影響

D.用秋水仙素處理洋蔥根尖,可誘導洋蔥根尖伸長區的細胞染色體數目加倍

4.下列有關實驗操作的描述,正確的是

A.鑒定待測樣液中的蛋白質時,先加NaOH溶液,振蕩后再加CuSO4溶液 B.制作細胞的有絲分裂裝片時,洋蔥根尖解離后直接用龍膽紫溶液染色 C.低溫誘導染色體加倍實驗中,將大蒜根尖制成裝片后再進行低溫處理

D.探究溫度對酶活性的影響時,將酶與底物溶液在室溫下混合后于不同溫度下保溫

5.MRSA菌是一種引起皮膚感染的“超級細菌”,對青霉素等多種抗生素有抗性。為研究人母乳中新發現的蛋白質H與青霉素組合使用對MRSA菌生長的影響,某興趣小組的實驗設計及結果如下表。下列說法正確的是

A.細菌死亡與否是通過光學顯微鏡觀察其細胞核的有無來確定

B.第2組和第3組對比表明,使用低濃度的青霉素即可殺死MRSA菌 C.實驗還需設計有2 μg/mL青霉素做處理的對照組 D.蛋白質H有很強的殺菌作用,是一種新型抗生素 6.下列有關生物學實驗的敘述正確的是

A.探究溫度對酶活性的影響,可用淀粉和淀粉酶,檢測實驗結果可用斐林試劑

B.將同一葉片均分為兩半,一份于黑暗,一份于光下相同時間后秤其干重重,光下半

片葉的重量減去暗中半片葉的重量為光合作用產生的有機物 C.可用雙縮脲檢測生物組織中的蛋白質

D.探究細胞大小與物質運輸效率的關系時,瓊脂塊體積越大,表面積越小,氫氧化鈉

在瓊脂塊內的擴散速率越慢

7.某同學利用光學顯微鏡對4種實驗材料進行研究,下面①~④中前面是實驗材料,后面是觀察到的結構或現象,正確的是()

①蝗蟲初級精母細胞,同源染色體聯會

②黑藻葉,線粒體呈綠色

③恩格爾曼的水綿實驗,好氧細菌分布在葉綠體所有受光的部位

④口腔上皮細胞,細胞質紅色面積比細胞核綠色面積小

A.①②

B.②③

C.①③

D.②④

8.以下有關研究方法的運用或有關實驗試劑與其實驗名稱的敘述正確的是()A.溴麝香草酚藍水溶液和重鉻酸鉀溶液—探究酵母菌細胞呼吸的方式 B.假說—演繹法----薩頓推論出基因在染色體上

C.斐林試劑--探究溫度對唾液淀粉酶活性的影響 D.光學顯微鏡觀察----認識細胞膜結構

9.洋蔥是實驗室中常用的材料,下列敘述錯誤的是()A.用蘇丹Ⅲ染液染色洋蔥根尖細胞,在光學顯微鏡下可觀察到橘黃色的顆粒

B.“觀察根尖分生組織細胞的有絲分裂”和 “植物細胞的失水和吸水” 兩個實驗都可以用洋蔥的根尖分生區細胞

C.選用紫色洋蔥鱗片葉表皮細胞觀察到質壁分離現象時,觀察不到染色體 D.做色素的提取和分離實驗時,可用其綠色葉片

10、下列關于實驗的說法正確的是()A.“用高倍鏡觀察葉綠體和線粒體”實驗中,葉綠體和線粒體都不需染色 B.葉綠體多呈綠色的球形或橢球形,但黑藻的葉綠體呈帶狀螺旋分布 C.無關變量是對實驗結果沒有影響的因素,所以設計實驗時可以不用考慮

D.在“觀察DNA和RNA在細胞中的分布”實驗中,加入8%鹽酸的目的包括使DNA和蛋白質分開

11.下列有關高中生物實驗的實驗材料、過程等方面的敘述,錯誤的是

A.“觀察植物細胞質壁分離和復原”實驗中,也可選黑藻葉肉細胞作實驗材料 B.“探究酵母菌細胞呼吸的方式”實驗中,可用溴麝香草酚藍水溶液檢測CO2 C.“用高倍顯微鏡觀察葉綠體”實驗中,取菠菜捎帶些葉肉的下表皮 D.“細胞大小與物質運輸的關系”實驗中,瓊脂塊制作時可以不加酚酞 12.下列是有關生物實驗的四幅圖,其中說法正確的是

A.若秋天用綠葉做色素提取與分離實驗,只分離到圖甲的色素帶1和2 B.圖乙是用低倍鏡觀察洋蔥根尖某視野中的圖像,則要看清處于分裂期的細胞,應將裝片適當右移

C.若細胞正處于圖丙所示狀態時,則細胞液濃度不一定小于外界溶液濃度 D.圖丁在觀察植物細胞有絲分裂實驗時應觀察的部位是③ 瑞昌二中 高三生物二輪復習培優練習

(三)答案 1.【答案解析】B解析:甲基綠吡羅紅染液中甲基綠能將DNA染成綠色,吡羅紅能將RNA染成紅色,大腸桿菌屬于原核生物沒有細胞核,DNA位于擬核中,因此細胞會出現綠色集中區域,A錯誤;取色素時加入無水酒精越多,濾液中色素的濃度就會低紙層析時色素帶的顏色越淺,B正確;觀察細胞有絲分裂所選材料中,盡可能選擇分裂期時間長的,但是若要想觀察到染色體還與選擇處理材料的時間有關,如果選材時多數細胞正處于分裂間期,這樣也不會觀察到染色體的,C錯誤;減數第二次分裂中期細胞內染色體所有的著絲點都位于赤 2 道板上,D 錯誤

【典型總結】有關觀察細胞減數分裂實驗的選材: 一般來說,雄性個體產生的雄配子數量遠遠多于雌性個體產生的雌配子數量,因此在選擇觀察減數分裂的材料時,要選擇雄性個體的生殖器官。另外,在動物卵巢內的減數分裂沒有進行徹底,排卵時排出的僅僅是次級卵母細胞,只有和精子相遇后,在精子的刺激下,才繼續完成減Ⅱ分裂,所以要完整觀察減數分裂各時期的圖像,特別是減Ⅱ分裂圖像,一般不選擇雌性個體。

2.【答案解析】C 3.【答案解析】D解析:洋蔥根尖伸長區的細胞不能發生分裂,因此秋水仙素不能對該區細胞發生作用。

4.【答案解析】A解析:用于檢測蛋白質的試劑是雙縮脲試劑,實驗的原理是堿性條件下 Cu2+與肽鍵反應呈紫色絡合物,所以在使用時先加NaOH溶液,振蕩后再加CuSO4溶液,A正確;制作細胞的有絲分裂裝片時,洋蔥根尖解離后要進行漂洗后在用龍膽紫溶液染色,如果解離后不漂洗會導致解離過度,B錯誤;低溫誘導染色體加倍實驗中低溫處理的是活細胞,細胞進行有絲分裂,低溫抑制紡錘體的形成從而使染色體數目加倍,將大蒜根尖制成裝片后細胞死亡就不會出現染色體加倍,C錯誤;探究溫度對酶活性的影響時,將酶與底物溶液分別放在相應的溫度下保溫一段時間后在混合,D錯誤 5.【答案解析】C解析:細菌是原核生物無細胞核,且細菌死亡與否可通過檢測細胞膜的選擇透過性的改變與否來判斷,A錯誤。第2組和第3組不符合單一變量原則,無法確定導致MRSA菌死亡與青霉素濃度的關系,B錯誤。本實驗研究的是人母乳中新發現的蛋白質H與青霉素組合使用對MRSA菌生長的影響,所以該實驗的自變量是青霉素、蛋白質H、青霉素+蛋白質H,其用量和濃度等屬于無關變量,為避免無關變量對實驗結果的干擾,無關變量一定相同,因此需要給第3組設計一個對照:培養基中加入2μg /mL青霉素;C正確。抗生素是由微生物或高等動植物在生活過程中產生的具有抗病原體或其它活性的一類次級代謝產物,能干擾其它生活細胞發育的化學物質。結合抗生素的定義及第1組的實驗結果(單獨使用蛋白質H不能殺死MRSA菌),推知:蛋白質H不是一種新型抗生素,D錯誤。6.【答案解析】B解析:探究溫度對酶活性的影響實驗不能用斐林試劑檢測,因斐林試劑顯色反應需水浴加熱,改變實驗的溫度條件而影響實驗;雙縮脲與雙縮脲試劑不是一回事,雙縮脲不能用于檢測蛋白質;瓊脂塊體積越大,相對表面積越小。7.【答案解析】C 8.【答案解析】A解析:薩頓推論出基因在染色體上是用的類比推理法;探究溫度對唾液淀粉酶活性的影響的實驗中不能用斐林試劑檢測,因為斐林試劑顯色需要在水浴加熱條件下,對實驗造成影響;認識細胞膜結構需用電子顯微鏡。9.【答案解析】B解析:洋蔥根尖分生區細胞可以進行細胞分裂,能作為觀察根尖分生組織細胞的有絲分裂材料,但由于細胞中沒有大液泡,不能作為植物細胞失水和吸水的材料。

10、【答案解析】D解析:葉綠體有顏色不需要染色,但是線粒體需要染色,A錯誤;黑藻的葉綠體呈橢球形,水綿的葉綠體呈帶狀螺旋分布,B錯誤;實驗設計要嚴謹保持單一變量原則,排除無關變量的干擾,C錯誤; 11.【答案解析】D解析:黑藻葉肉細胞內含有大液泡具備質壁分離的條件,A正確;CO2可以用溴麝香草酚藍水溶液檢測或者澄清的石灰水溶液,B正確;取菠菜捎帶些葉肉的下表皮實際上是利用下表皮取含有葉綠體的葉肉細胞,C正確;“細胞大小與物質運輸的關系”實驗中,瓊脂塊制作時加酚酞,這樣才能檢測氫氧化鈉擴散的深度,D錯誤 12.【答案解析】CD解析:雖然是秋天但是選取的材料仍舊是綠葉,所以色素中一定會含有葉綠素的,A錯誤;顯微鏡下看到的像是倒立放大的虛像,而且處于分裂期的細胞呈正方 3 形,因此裝片適當左移,B錯誤;若細胞正處于圖丙所示狀態時,此時細胞可能正在失水也可能正在吸水或者處于動態平衡之中,C正確;圖丁③是分生區分裂能力旺盛,D正確 【典型總結】與質壁分離實驗有關圖解

析圖:①甲圖中L是細胞壁,M是失水后的液泡,N是細胞壁與細胞膜之間充滿的外界溶液。

②甲圖中液泡的顏色比實驗前深,此時水分仍雙向流動。

③甲圖實驗材料可用根尖成熟區細胞,但不可用根尖分生區細胞。

④甲圖可在低倍鏡下觀察,但觀察不到染色體(不分裂)和葉綠體(無),細胞核也不明顯(視野中主要是大液泡)。⑤乙圖中A、B分別表示細胞和原生質層的長度,B/A可表示失水的程度,其中A保持不變,細胞壁的伸縮性很小,但B的數值隨外界溶液的變化程度明顯。

下載二輪復習過手不忘:高三英語《語法 過去分詞》練習word格式文檔
下載二輪復習過手不忘:高三英語《語法 過去分詞》練習.doc
將本文檔下載到自己電腦,方便修改和收藏,請勿使用迅雷等下載。
點此處下載文檔

文檔為doc格式


聲明:本文內容由互聯網用戶自發貢獻自行上傳,本網站不擁有所有權,未作人工編輯處理,也不承擔相關法律責任。如果您發現有涉嫌版權的內容,歡迎發送郵件至:645879355@qq.com 進行舉報,并提供相關證據,工作人員會在5個工作日內聯系你,一經查實,本站將立刻刪除涉嫌侵權內容。

相關范文推薦

    高三英語語法復習課

    高三英語語法復習課 廣東省興寧市興民中學 劉飛宇 英語教學是一種動態教學,教學過程是交際活動過程。只有從組織教學活動入手,大量地進行語言實踐,使英語課堂交際化,才能有效地......

    高三二輪復習指導

    高三二輪復習指導 距離高考還有150天,也進入了高三的二輪復習,針對同學們復習中出現的問題和困惑,我想需要給他們以下的特別指導。 一、作文的提高 有同學提出了這個問題,“作文......

    高三英語二輪復習作文專項練習2

    高三英語二輪復習專項系列訓練(二)典型考題再現 A) 孤身一人的李女士養了一條寵物狗。這狗不僅給她看護家門,而且善解人意,幫她做事,陪她做伴。可最近李女士憂心忡忡,因為小區頒......

    高三英語二輪復習作文專項練習9

    高三英語二輪復習專項系列訓練(六)假如你是李華。你將代表學校參加國際中學生論壇,就你所在城市的教育狀況發表演講。請根據以下兩幅圖表,介紹你市高中學生構成情況及畢業去向的......

    高中英語語法講解與練習之動詞過去分詞[五篇]

    高中英語語法之動詞過去分詞 簡介 規則動詞的過去分詞一般是由動詞加ed構成(具體規則見后),不規則動詞的過去分詞見不規則動詞表。過去分詞則屬于類動詞 1. 及物動詞的過去分......

    高三地理二輪復習教學計劃

    高三地理二輪復習教學計劃 地理是研究地球表面的地理環境中各種自然現象和人文現象,以及它們之間相互關系的學科。以下是查字典地理網為大家整理的高三地理二輪復習教學計劃,......

    高三地理二輪專題復習策略(合集)

    高三地理二輪專題復習策略 高三地理第一輪復習結束后,學生已經有了一定的基礎知識,但還不能滿足地理高考的要求。縱觀近幾年地理高考試卷,提倡素質教育、培養學生創新能力和......

    高三物理二輪復習策略

    高三物理二輪復習策略與計劃 我們已經順利結束了高三物理的第一輪復習,在第一輪的復習中,學生大都能掌握物理學中的基本概念、規律及其應用等知識,但較為零散,故學生對知識的綜......

主站蜘蛛池模板: 思热99re视热频这里只精品| 成人禁片免费播放35分钟| 久久婷婷五月综合色高清| 999国内精品永久免费观看| 99re热视频这里只精品| 日日噜噜夜夜狠狠久久丁香五月| 免费ā片在线观看| 亚洲欧洲中文日韩乱码av| 精品午夜国产福利在线观看| 97精品国产一区二区三区| 人妻激情偷乱视频一区二区三区| 亚洲国产成人av在线观看| 国产露脸150部国语对白| 亚洲va中文字幕无码久久不卡| 亚洲大尺度专区无码浪潮av| a一区二区三区乱码在线 | 欧洲| 欧美zozo另类特级| 久久中文精品无码中文字幕| 亚洲精品av中文字幕在线| 久久精品麻豆日日躁夜夜躁| 日本大片免费观看视频| 欧美z0zo人禽交欧美人禽交| 一本久久a久久免费精品不卡| 四虎成人精品永久网站| 一区二区三区高清视频一| av无码天堂一区二区三区| 最新精品露脸国产在线| 国产亚洲精品久久久久久国模美| 亚洲精品无码久久久影院相关影片| 在线观看国产成人av天堂| 久久久久国色av免费观看| 东北老女人高潮大喊舒服死了| 玩弄少妇高潮ⅹxxxyw| 中文字字幕在线中文乱码| 久久精品成人欧美大片| 综合 欧美 亚洲日本| 日本三级理论久久人妻电影| 精品国产福利久久久| 亚洲人成人网色www| 99re热免费精品视频观看| 亚洲一区二区三区无码中文字幕|