第一篇：七年級數學寒假練習題

七年級數學寒假練習題

一、填空題（本題共24分，每小題2分）

1.6的絕對值是.2.－3的倒數是.3.如果向東走8米記作＋8米，那么向西走12米記作米．

4.比較大?。?－10（填“ ”、“ ”或“ ”）.5.由四舍五入得到的近似數15.82精確到位，有個有效數字.6.在－5，23，0，1.6這四個有理數中，整數是.7.如圖，數軸上A、B兩點所表示的有理數的和是.8.小紅家的冰箱冷 藏室溫度是5℃，冷凍室的溫度是-2℃，則她家冰箱冷藏室溫度比冷凍室溫度高℃.9.如圖，點O在直線AB上，OD⊥OE，垂足為O，OC是

∠DOB的平分線，若∠AOD= 70°, 則∠BOE=度,∠COE=度.10.已知A、B、C是同一直線上的三個點，且AB=9，BC=4，D是BC 的中點，則AD的長是.11.已知 且a b,那么 的值是.12.一組按規律排列的式子其中第8個式子是，第n個式子是(n為正整數).二、選擇題（本題共36分，每小題3分）

下列各題均有四個選項，其中只有一個是符合題意的．

1.－2的相反數是

A．2B．－2C．12D．－12

2.據門頭溝旅游局統計，2 009年十一黃金周期間，門頭溝區接待游客28萬人，實現旅游收入32000000元.將32000000用科學記數法表示應為

A.B.C.D.3.在數軸上到原點的距離是3的點所表示的數是

A.3B.－3C.±3D.6

4.下列計算中，正確 的是

A.a＋a2= a3B.2a＋3b=5abC.2a＋3a=6aD.a＋2a=3a

5.下列等式中成立的是

A.a－(b＋c)=a－b＋cB.a＋(b＋c)=a－b＋c

C.a＋b－c=a＋(b－c)D.a－b＋c=a－(b＋c)

6.如果x=3是方程2 x＋3a =6x的解，那么a的值是

A．4B．8C．9D．－4

7.把2.36°用度、分、秒表示正確的是

A.2°3′6″B.2°30′6 ″C.2°21′6″D.2°21′36″

8.上午10：00這一時刻，時鐘上分針與時針所夾的角是

A.72°B.60°C.30°D.24°

9.有理數 , 在數軸上的位置如圖所示,下列結論中正確的是

A．a＞0B．a＞b

C．a＜bD．ab＞0

10.如圖是一個簡單的數值運算程序，若輸入x的值為3，則 輸出的數值為

A.10B.8

C.7D.5

四、先化簡，再求值（本題5分），其中

五、解下列方程（本題共18分，其中1—3小題各4分，4小題6 分）

六、根據要求畫圖、填空（本題共8分，其中1小題3分，2小題2分，3小題3分）

1.如圖，已知∠AOB.（1）畫∠AOB的平分線OC；

（2）在OC上畫一點D，使OD=2 cm；

（3）過點D畫DE⊥OA，垂足為E.2.如圖，P是直線l外一點，A、B、C是直線l上的三點，且P B與l垂直，在從點P到點A、從點P到直線l的多條道路中，點P到點A的最短路線是，點P到直線l的最短路線是（只填寫序號即可）.3.我們知道，兩條直線相交只有一個交點.請你探究：

（1）三條直線兩兩相交，最多有個交點；

（2）四條直線兩兩相交，最多有個交點；

（3）n條直線兩兩相交，最多有個交點（n為正整數，且n≥2）.七、解答題（本題共13分，其中1小題5分，2小題8分）

1.列一元一次方程解應用題：

在“奉獻愛心，幫助災區人民重建家園”的捐款活動中，甲、乙兩班共捐款1325元，其中甲班有40人參加了捐款活動，乙班有35人參加了捐款活動，且甲班人均捐款額比乙班人均捐款額多5元，問甲、乙兩班各捐款多少元？

2.某單位要印刷一批宣傳資料，在需要支付制版費600元和每份資料0.3元印刷費的前提下，甲、乙兩個印刷廠分別提出了不同的優惠條件.甲印刷廠提出：凡印刷數量超過2000份的，超過部分的印刷費可按9折收費；

乙印刷廠提出：凡印刷數量超過3000份的，超過部分的印刷費可按8折收費．

假設你是決策者，根據印刷數量的大小，請你討論該單位到哪家印刷廠印刷資 料比較合算

第二篇：學英語七年級寒假練習題

學英語七年級寒假練習題

第一卷（共50分）

Ⅰ.單項選擇（20分）

()1．—Look!There is ________ orange under ________ tree.—Let’s go and pick it up.A.a, theB.an, theC.an, aD.the, the

()2.There are 3 erasers on the table.________ one is yours?

A.WhatB.WhichC.WhoseD.Who’s

()3.I have a sister.________ is an English teacher.This English book is________.A.Her, HersB.Her, herC.She, herD.She, hers

()4.— Linda, when shall we take a walk?—After I finishmy homework.A.checkB.checkC.to checkD.checking

()5.—My grandfather is ill.— ________.A.SorryB.Excuse meC.That’s too badD.I’m sorry to hear that

()6.Behind the door _________ some apples.A.isB.areC.beD./

()7.—Can I help you, madam? —I’d like a kilo of ________.A.milkB.cakeC.bananaD.apple

()8.School ________.Let’s go home.A.beginsB.is offC.is overD.is over there

()9.—________ is your new bike?

—1,000 yuan.A.How manyB.How muchC.How aboutD.Where

()10.Do you read English ________？

A.every morningB.in morningC.on every morningD.in every morning

()11.Mrs.Green comes from ________.A.EnglishB.AmericanC.AustraliaD.Japanese

()12.Best wishes ________ New Year’s Day and best wishes ______ you.A.to;forB.to;toC.for;forD.for;to

()13.It ________her three weeks to study lessons.A.spendsB.costC.wasteD.takes

()14.I hope ________ go to the park with me next week.A.her toB.herC./D.she will

()15.Heat painting, but he doesn’tin playing chess.A.is good, does wellB.does well, is good

C.is good, do wellD.do well, is good

()16.I will go to the hospital this afternoon.There is_______ with my nose.A.nothing wrong B.wrong nothingC.anything wrongD.something wrong

()17.—________ you cross the street every morning? —No.But I _________ it this afternoon.A.Do, doB.Do, will doC.Will, doD.Will, will do

()18.—________ do you like eating?

—I like eating rice, meat and all kinds of vegetables.A.How muchB.How manyC.WhatD.How

()19._______ late for music class again next time,.A.Don’t beB.Be notC.Not beD.Don’t

()20.I think Dick can __________ his camera in the lost and __________ office.A.find, findB.finds, findsC.find, foundD.found, find

Ⅱ.完形填空（10分）

Do you often think of your parents? You may say, “Of course, I1.I buy a present for my mother on Mother’s Day and on Father’s Day I give my father2, too.” But what about the other days of the year?

I have a friend whose parents live in another city.One day I went to see her.We had a nice conversation(談話).Then she wanted to3.So she dialed(撥號)the number, but then she put down the phone.After about fifteen4, she dialed the number again.“Hi, Mom…”Later I asked, “5did you dial the number twice?” She smiled, “My parents are old and6.They can’t get close to the telephone quickly.I always do so when I call them.I just want to give them enough(足夠的)time to7the call.”

My friend is a good girl.She is8thinking about her parents.You also want to be a9child, right? Please always remember to10your parents in every situation(場合)，not just on some important days.()1.A.willB.doC.won’tD.don’t

()2.A.a cakeB.a kissC.some moneyD.a present

()3.A.make a callB.go sightseeingC.have a restD.go for a walk

()4.A.secondsB.minutesC.hoursD.days

()5.A.HowB.WhatC.WhyD.When

()6.A.fastB.slowC.healthyD.careless

()7.A.moveB.bringC.takeD.answer

()8.A.alwaysB.neverC.seldom(很少)D.sometimes

()9.A.badB.cleverC.goodD.strict

()10.A.meetB.loveC.callD.hear

1.B2.D3.A4.A5.C6.B7.D 8.A9.C 10.B

Ⅲ.閱讀理解（20分）

（A）

Do you know the cool boy? His family name is Hougao.His first name is Junjie.He is only eleven years old, but he can play the piano, guitar and dance well.He is really a talent.Every day, he trains hard and he often trains for five hours.He is often tired after it, but he is always strict with himself.After the training, he starts to learn and do his homework.The boy studies his subjects very hard in his free time.Junjie does very well in his subjects.He is very busy.On weekends, he often goes to different cities to show with many stars.All of them like him.On the Spring Festival Gala 2009 CCTV(2009年春節聯歡晚會), Hougao Junjie sang a pop song and danced with music.He acted with Jay Chou, the most famous talented singer.He became the most popular performer.Do you like his wonderful perform?

()1.What is the boy’s first name?

A.Hou.B.Gao.C.JunjieD.Hougao.()2.How long does he train every day?

A.Three hours.B.Four hours.C.Two hours.D.Five hours

()3.What does he do after the training?

A.Have a rest.B.Do his homework.C.Watch TV.D.Exercise

()4.Where is he on weekends?

A.In different cities.B.At his school.C.At his home.D.At his club

()5.Who did Junjie sing and dance with on the Spring Festival Gala?

A.Many famous stars B.Jay ChouC.Zhao BenshanD.Many boys

（B）

Do you like this lovely rabbit in the pictures? Now you can find her on some of our pens, pencils, erasers and rulers.Miffy is a little rabbit girl in a series of picture books drawn by Dutch artist Dick Bruna.Miffy was created in 1955.After Bruna told his one-year-old son stories about a little rabbit, he drew a rabbit.He didn’t draw trousers on the rabbit.Instead, he drew a dress on the rabbit, so Miffy became a girl.①

Bruna drew Miffy in a very simple way with only a few lines and colors.He drew more than 100 books.Each book tells a story and has 16 pages.The stories are about things that children can understand, or situations they will face, such as having meals, going to school and sleeping.The stories always have happy endings.Children love the stories.Miffy was a character in a children’s book at first, but her pictures are now used on many other things like clothes, stationery, toys and so on.閱讀短文，回答下面的問題。

1.What does Miffy look like?

___________________________

2.When was Miffy born?

_______________________________

3.Who drew the rabbit？

______________________

4.How many books did the writer draw?

___________________________

5.Why do the children like the stories?

_____________________________

第二卷（共70分）

Ⅳ.根據句意及漢語提示完成句子（10分）

1.Are these your crayons ? No, they aren’t m_________.2.I have two boxes.One is small and light, the other is big and h______.3.Could you tell me the w________ to the library?

4.Jack is going to ________(檢查)his email this evening.5.There is some _________(粉筆)on the teachers’ desk.Our teachers often use it to write on the blackboard.6.The white car is c__________(便宜).I can buy it.7.The river r_______ in summer every year because of heavy rain.8.There will be thousands of t________ to visit the Great Wall next weekend.9.In the future, people will c________ things with their small plane in the air, not in a car.10.Will people do many things on the I___________? Yes, they can do everything on it.Ⅴ.用所給詞的適當形式填空（10分）

work, close, center, have, Eric, wallet, eat, China, care, own

1.This is ________ desk.Ours are over there.2.Bill has three ________.One is new and the other two are old.3.His uncles works in the _________ of the city.4.Don’t write them in a hurry.You should be ________.5.Lane has his _______ car and house.6.The supermarket isn’t open.It ________ at 9 o’clock.7.My brother ________ some new picture books.8.In our classroom, there is a large map of ________.9.Mum, please give me something ________.I’m very hungry.10.Does Mr.Green like ________ in this Chinese school?

Ⅵ.句型轉換（15分）

1.The girl will go to work in the city because it is warm all year.(劃線提問)

the girl go to work in the city?

2.My father will go to work in five days.（劃線提問）

your fatherto work?

3.All the people in the office are going to have a computer.(同義句)

________ in the office ________ have a computer in school.4.I think that everyone will use computers.(否定句)

I _______ ______ that everyone _______ ______ computers.5.The car is expensive.(用cheap改為選擇問句)

__________ the car expensive _________ cheap?

Ⅶ.完成句子（15分）

1.請問，你想要什么尺碼的？

_________ __________ would you like?

2.市場的這些草莓很新鮮嗎？

_______ these strawberries ________ in the market?

3.約翰，別忘了周末去為我們的足球隊加油。

John, don’t ________ ________ ________ our soccer team.4.你哥哥什么時候從巴黎回來？

When _______ your brother ________ ________ ________ Paris?

5.皮特和他的老師相處得怎樣？

_________ is Pete ________ ________ ________ his teacher.Ⅷ.書面表達（15分）

你校 English For School Yard 現需招聘一名校報記者，請你擬一份招聘廣告張貼 在學校廣告欄內。招聘要求如下：

1.樂于與人交流（talk to）

2.擅長寫新聞報道和故事（news report , stories）

3.工作勤奮（work hard）

4.愿意從事校報記者工作（school newspaper）

聯系人：Mr Zhang電話：8572858

要求：60詞左右，注意格式。

____________________________________________________________________________________

_______________________________________________________________________________

_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

參考答案：

Ⅰ.1.B2.C3.D4.D5.D6.B7.A8.A9.B10.A

11.C12.D13.D14.D15.C16.D17.B18.C19.A20.C

Ⅱ.1.B2.D3.A4.A5.C6.B7.D 8.A9.C 10.B

Ⅲ.A.1.D2.D3.B4.A5.B

B.1．She wears a dress.2．She was born in 1955.3．Dick Bruna

4．He drew more than 100 books.5．Because the stories always have happy endings.Ⅳ.1.mine 2.heavy3.way4.check5.chalk 6.cheap 7.rises8.tourists9.carry10.Internet

Ⅴ.1.Eric’s 2.wallets3.center4.careful5.own 6.closes 7.has 8.China 9.to eat 10.working

Ⅵ.1.Why will;be2.How soon;will go3.Everyone will4.don’t think, will have5.Is, or

Ⅶ.1.What size2.Are, fresh3.forget to cheer4.will, come back from 5.How, getting along with

Ⅷ.Wanted:

Hello, everyone！We need a news reporter for English for School Yard.Do you like to talk to students and

teachers? Are you good at writing news reports or stories? Can you work hard for us? Do you like working for

school newspapers?

Come and join us!My name is Zhang.My phone number is 8572858.

第三篇：七年級數學平面幾何練習題

億庫教育網http://www.tmdps.cn百萬教學資源免費下載

平面幾何練習題

一.選擇題：

1.如果兩個角的一邊在同一條直線上，另一邊互相平行，那么這兩個角（）

A.相等 B.互補 C.相等或互補 D.相等且互補

2.如圖，l?

1//l2，AB?l1，?ABC?130，則???（）

A.60? B.50? C.40? D.30?l

1B

α l

2C

3.如圖，l1//l2，?1?105?，?2?140?，則???（）

A.55? B.60? C.65? D.70?

l1

l2

4.如圖，能與??構成同旁內角的角有（）

A.1個 B.2個 C.5個 D.4個

5.如圖，已知AB//CD，??等于（）

A.75? B.80? C.85? D.95?

A B

C D

6.如圖，AB//CD，MP//AB，MN平分?AMD，?A?40?，?D?30?，?NMP等于（）

億庫教育網http://www.tmdps.cn百萬教學資源免費下載 則

A.10 ?B.15 ?C.5 ?D.7.5 ?

B MC

A NP D

?7.如果兩個角的兩邊分別平行，而其中一個角比另一個角的4倍少30，那么這兩個角是

（）

A.42?、138?B.都是10

D.以上都不對 ?C.42?、138?或42?、10?

二.證明題：

1.已知：如圖，?1??2，?3??B，AC//DE，且B、C、D在一條直線上。求證：AE//BDA

1E2

BCD

2.已知：如圖，?CDA??CBA，DE平分?CDA，BF平分?CBA，且?ADE??AED。

求證：DE//FB

DFC

A

EB

3.已知：如圖，?BAP??APD?180?，?1??2。求證：?E??F

AB

E

F

CPD

4.已知：如圖，?1??2，?3??4，?5??6。求證：ED//FBE

DB C

【試題答案】

平面幾何練習題

一.選擇題：

1.C2.C3.C4.C5.C6.C7.D

二.證明題： 1.證：?AC//DE

??2??4

??1??2

??1??4

?AB//CE

??B??BCE?180

??B??3?

??3??BCE?180?

?AE//BD

2.證：?DE平分?CDA

1?CDA 2

?BF平分?CBA

1??FBA??CBA 2??ADE?

??CDA??CBA

??ADE??FBA

??ADE??AED

??AED??FBA

?DE//FB

3.證：??BAP??APD?180

??AB//CD ??BAP??APC

又??1??2

??BAP??1??APC??2

即?EAP??APF

?AE//FP ??E??F

?AC//BD

??6??2??3?180?

4.證：??3??4??6??5，?2??1

??5??1??3?180?

?ED//FB

第四篇：七年級數學課后輔導練習題

七年級數學課后輔導練習題第一篇《相交線與平行線》單元測試題

一、填空題

1.兩條直線相交，有_____對對頂角，三條直線相交，有____對對頂角。

2.如圖，直線AB,CD相較于點O,OB平分∠DOE,若∠DOE=60o，則∠AOC的度數是____。

第五篇：七年級數學上冊正負數練習題

新人教版七年級數學《正數和負數》課堂同步練習題

【基礎平臺】

1．任意寫出5個正數：_______________；任意寫出5個負數：_______________．2．小明的姐姐在銀行工作，她把存入3萬元記作+3萬元，那么支取2萬元應記作_______,-4萬元表示________________．

3．已知下列各數：51?，432?，3.14，+3065，0，-239．則正數有_____________________；負數有____________________．

4．向東行進-50m表示的意義是〖〗

A．向東行進50mC．向北行進50mB．向南行進50mD．向西行進50m

5．下列結論中正確的是〖〗

A．0既是正數，又是負數B．O是最小的正數

C．0是最大的負數D．0既不是正數，也不是負數

6．給出下列各數：-3，0，+5，213，+3.1，21，2004，+2008．其中是負數的有〖〗

A．2個B．3個C．4個D．5個

【自主檢測】

1．零下15℃，表示為_________，比O℃低4℃的溫度是_________．

2．地圖上標有甲地海拔高度30米，乙地海拔高度為20米，丙地海拔高度為-5米，其中

最高處為_______地，最低處為_______地．

3．某天中午11時的溫度是11℃，早晨6時氣溫比中午低7℃，則早晨溫度為_____℃，若早晨6時氣溫比中午低13℃，則早晨溫度為_______℃．

4．“甲比乙大-3歲”表示的意義是______________________．

5．在下列四組數(1)-3，2.3，41；(2)43，0，212；(3)311，0.3，7；(4)21，51，2中，三個數都不是負數的組是〖〗

A．(1)(2)B．(2)(4)C．(3)(4)D．(2)(3)(4)

【拓展平臺】

1．寫出比0小4的數，比4小2的數，比-4小2的數．

2．如果海平面的高度為0米，一潛水艇在海水下40米處航行，一條鯊魚在潛水艇上方

10米處游動，試用正負數分別表示潛水艇和鯊魚的高度．

3、學校對初一男生進行立定跳遠的測試，以能跳1.7m及以上為達標，超過1.7m的厘米

數用正數表示，不足l.7m的厘米數用負數表示．

第一組10名男生成績如下(單位cm)：

+2，-4，0，+5，+8，-7，0，+2，+10，-3

問：第一組有百分之幾的學生達標?