七年级数学寒假练习题（优秀范文五篇）

第一篇：七年级数学寒假练习题

七年级数学寒假练习题

一、填空题（本题共24分，每小题2分）

1.6的绝对值是.2.－3的倒数是.3.如果向东走8米记作＋8米，那么向西走12米记作米．

4.比较大小：2－10（填“ ”、“ ”或“ ”）.5.由四舍五入得到的近似数15.82精确到位，有个有效数字.6.在－5，23，0，1.6这四个有理数中，整数是.7.如图，数轴上A、B两点所表示的有理数的和是.8.小红家的冰箱冷 藏室温度是5℃，冷冻室的温度是-2℃，则她家冰箱冷藏室温度比冷冻室温度高℃.9.如图，点O在直线AB上，OD⊥OE，垂足为O，OC是

∠DOB的平分线，若∠AOD= 70°, 则∠BOE=度,∠COE=度.10.已知A、B、C是同一直线上的三个点，且AB=9，BC=4，D是BC 的中点，则AD的长是.11.已知 且a b,那么 的值是.12.一组按规律排列的式子其中第8个式子是，第n个式子是(n为正整数).二、选择题（本题共36分，每小题3分）

下列各题均有四个选项，其中只有一个是符合题意的．

1.－2的相反数是

A．2B．－2C．12D．－12

2.据门头沟旅游局统计，2 009年十一黄金周期间，门头沟区接待游客28万人，实现旅游收入32000000元.将32000000用科学记数法表示应为

A.B.C.D.3.在数轴上到原点的距离是3的点所表示的数是

A.3B.－3C.±3D.6

4.下列计算中，正确 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、秒表示正确的是

A.2°3′6″B.2°30′6 ″C.2°21′6″D.2°21′36″

8.上午10：00这一时刻，时钟上分针与时针所夹的角是

A.72°B.60°C.30°D.24°

9.有理数 , 在数轴上的位置如图所示,下列结论中正确的是

A．a＞0B．a＞b

C．a＜bD．ab＞0

10.如图是一个简单的数值运算程序，若输入x的值为3，则 输出的数值为

A.10B.8

C.7D.5

四、先化简，再求值（本题5分），其中

五、解下列方程（本题共18分，其中1—3小题各4分，4小题6 分）

六、根据要求画图、填空（本题共8分，其中1小题3分，2小题2分，3小题3分）

1.如图，已知∠AOB.（1）画∠AOB的平分线OC；

（2）在OC上画一点D，使OD=2 cm；

（3）过点D画DE⊥OA，垂足为E.2.如图，P是直线l外一点，A、B、C是直线l上的三点，且P B与l垂直，在从点P到点A、从点P到直线l的多条道路中，点P到点A的最短路线是，点P到直线l的最短路线是（只填写序号即可）.3.我们知道，两条直线相交只有一个交点.请你探究：

（1）三条直线两两相交，最多有个交点；

（2）四条直线两两相交，最多有个交点；

（3）n条直线两两相交，最多有个交点（n为正整数，且n≥2）.七、解答题（本题共13分，其中1小题5分，2小题8分）

1.列一元一次方程解应用题：

在“奉献爱心，帮助灾区人民重建家园”的捐款活动中，甲、乙两班共捐款1325元，其中甲班有40人参加了捐款活动，乙班有35人参加了捐款活动，且甲班人均捐款额比乙班人均捐款额多5元，问甲、乙两班各捐款多少元？

2.某单位要印刷一批宣传资料，在需要支付制版费600元和每份资料0.3元印刷费的前提下，甲、乙两个印刷厂分别提出了不同的优惠条件.甲印刷厂提出：凡印刷数量超过2000份的，超过部分的印刷费可按9折收费；

乙印刷厂提出：凡印刷数量超过3000份的，超过部分的印刷费可按8折收费．

假设你是决策者，根据印刷数量的大小，请你讨论该单位到哪家印刷厂印刷资 料比较合算

第二篇：学英语七年级寒假练习题

学英语七年级寒假练习题

第一卷（共50分）

Ⅰ.单项选择（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(谈话).Then she wanted to3.So she dialed(拨号)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(足够的)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(场合)，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.阅读理解（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年春节联欢晚会), 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.阅读短文，回答下面的问题。

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.根据句意及汉语提示完成句子（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 ________(检查)his email this evening.5.There is some _________(粉笔)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.用所给词的适当形式填空（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.句型转换（15分）

1.The girl will go to work in the city because it is warm all year.(划线提问)

the girl go to work in the city?

2.My father will go to work in five days.（划线提问）

your fatherto work?

3.All the people in the office are going to have a computer.(同义句)

________ 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改为选择问句)

__________ the car expensive _________ cheap?

Ⅶ.完成句子（15分）

1.请问，你想要什么尺码的？

_________ __________ would you like?

2.市场的这些草莓很新鲜吗？

_______ these strawberries ________ in the market?

3.约翰，别忘了周末去为我们的足球队加油。

John, don’t ________ ________ ________ our soccer team.4.你哥哥什么时候从巴黎回来？

When _______ your brother ________ ________ ________ Paris?

5.皮特和他的老师相处得怎样？

_________ is Pete ________ ________ ________ his teacher.Ⅷ.书面表达（15分）

你校 English For School Yard 现需招聘一名校报记者，请你拟一份招聘广告张贴 在学校广告栏内。招聘要求如下：

1.乐于与人交流（talk to）

2.擅长写新闻报道和故事（news report , stories）

3.工作勤奋（work hard）

4.愿意从事校报记者工作（school newspaper）

联系人：Mr Zhang电话：8572858

要求：60词左右，注意格式。

____________________________________________________________________________________

_______________________________________________________________________________

_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

参考答案：

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：七年级数学平面几何练习题

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平面几何练习题

一.选择题：

1.如果两个角的一边在同一条直线上，另一边互相平行，那么这两个角（）

A.相等 B.互补 C.相等或互补 D.相等且互补

2.如图，l

1//l2，ABl1，ABC130，则（）

A.60 B.50 C.40 D.30l

1B

α l

2C

3.如图，l1//l2，1105，2140，则（）

A.55 B.60 C.65 D.70

l1

l2

4.如图，能与构成同旁内角的角有（）

A.1个 B.2个 C.5个 D.4个

5.如图，已知AB//CD，等于（）

A.75 B.80 C.85 D.95

A B

C D

6.如图，AB//CD，MP//AB，MN平分AMD，A40，D30，NMP等于（）

亿库教育网http://www.xiexiebang.com百万教学资源免费下载 则

A.10 B.15 C.5 D.7.5 

B MC

A NP D

7.如果两个角的两边分别平行，而其中一个角比另一个角的4倍少30，那么这两个角是

（）

A.42、138B.都是10

D.以上都不对 C.42、138或42、10

二.证明题：

1.已知：如图，12，3B，AC//DE，且B、C、D在一条直线上。求证：AE//BDA

1E2

BCD

2.已知：如图，CDACBA，DE平分CDA，BF平分CBA，且ADEAED。

求证：DE//FB

DFC

A

EB

3.已知：如图，BAPAPD180，12。求证：EF

AB

E

F

CPD

4.已知：如图，12，34，56。求证：ED//FBE

DB C

【试题答案】

平面几何练习题

一.选择题：

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

二.证明题： 1.证：AC//DE

24

12

14

AB//CE

BBCE180

B3

3BCE180

AE//BD

2.证：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.证：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.证：3465，21

513180

ED//FB

第四篇：七年级数学课后辅导练习题

七年级数学课后辅导练习题第一篇《相交线与平行线》单元测试题

一、填空题

1.两条直线相交，有_____对对顶角，三条直线相交，有____对对顶角。

2.如图，直线AB,CD相较于点O,OB平分∠DOE,若∠DOE=60º，则∠AOC的度数是____。

第五篇：七年级数学上册正负数练习题

新人教版七年级数学《正数和负数》课堂同步练习题

【基础平台】

1．任意写出5个正数：_______________；任意写出5个负数：_______________．2．小明的姐姐在银行工作，她把存入3万元记作+3万元，那么支取2万元应记作_______,-4万元表示________________．

3．已知下列各数：51，432，3.14，+3065，0，-239．则正数有_____________________；负数有____________________．

4．向东行进-50m表示的意义是〖〗

A．向东行进50mC．向北行进50mB．向南行进50mD．向西行进50m

5．下列结论中正确的是〖〗

A．0既是正数，又是负数B．O是最小的正数

C．0是最大的负数D．0既不是正数，也不是负数

6．给出下列各数：-3，0，+5，213，+3.1，21，2004，+2008．其中是负数的有〖〗

A．2个B．3个C．4个D．5个

【自主检测】

1．零下15℃，表示为_________，比O℃低4℃的温度是_________．

2．地图上标有甲地海拔高度30米，乙地海拔高度为20米，丙地海拔高度为-5米，其中

最高处为_______地，最低处为_______地．

3．某天中午11时的温度是11℃，早晨6时气温比中午低7℃，则早晨温度为_____℃，若早晨6时气温比中午低13℃，则早晨温度为_______℃．

4．“甲比乙大-3岁”表示的意义是______________________．

5．在下列四组数(1)-3，2.3，41；(2)43，0，212；(3)311，0.3，7；(4)21，51，2中，三个数都不是负数的组是〖〗

A．(1)(2)B．(2)(4)C．(3)(4)D．(2)(3)(4)

【拓展平台】

1．写出比0小4的数，比4小2的数，比-4小2的数．

2．如果海平面的高度为0米，一潜水艇在海水下40米处航行，一条鲨鱼在潜水艇上方

10米处游动，试用正负数分别表示潜水艇和鲨鱼的高度．

3、学校对初一男生进行立定跳远的测试，以能跳1.7m及以上为达标，超过1.7m的厘米

数用正数表示，不足l.7m的厘米数用负数表示．

第一组10名男生成绩如下(单位cm)：

+2，-4，0，+5，+8，-7，0，+2，+10，-3

问：第一组有百分之几的学生达标?