第5周 周末作业卷

第三中学2021-2021学年七年级英语下学期第五周周末作业(zuòyè)试题〔无答案〕牛版姓名____________ 班级___________ 成绩_____________一、单项选择 25分( )1. Sandy sits in front of Amy, but behind Simon .So Sandy sits _______ Amy _____ Simon.A. next; toB. next to; besideC. between;and D. opposite; at( )2. We usually make dinner in the ________.A. bedroomB. dining roomC. kitchenD. grandparents( )3. There are ___________ days in a year.A. three hundreds and sixty fiveB. three hundred and sixty fiveC. three hundred and sixty-fiveD. three hundred sixty-five ( )4.“Excuse me . May I speak to Jill, please ?〞“___________〞.A. Yes, I amB. Do you know him?C. I am speakingD. This is Jill speaking.( )5. They are from America. They ______ English.A. sayB. tellC. talkD. speak ( )6.“We will have a school trip next week.〞“That sounds ________.I’m sure we will have a good time there.〞A. wellB. badlyC. badD. good ( )7. Wednesday is the __________ day of a week.A. fifthB. fourthC. forthD. third ( )8. Would you like to share the room________ her brother?A. withB. andC. ofD. on( ) 9. Which of them i sn’t a capital city?A. ParisB. LondonC. NewYork D. Moscow( ) 10. The lake is a good place _______ if you like boating.A. to goB. to sitC. to studyD. to take ( ) 11. His home is far away from the youth centre, but ______ is close to it.A. myB. mineC. meD. I( ) 12. Why not ask your father to draw _______ map for you? Then you can get to ______Sunshine Town?A. a, theB.不填, anC. the, aD. a, 不填( ) 13. ----Would you like to have supper with us? ----______________.A. That’s all right.B. Yes, I’d love toC. Yes, I like.D. Yes, I would.( ) 14. ---- How much juice is there in the bottle? ----________.A. NoB. NoneC. No oneD. Any.( ) 15. Does your father often ________?A. take you to thereB. take you thereC. take your thereD. take your to there( ) 16. There is ______ “u〞and ______ “s〞 in the word“use〞A. a, aB. an, anC. a, anD. an, a( ) 17. I do my homework ______ ten o’clock every night.A. forB. onC. untilD./( ) 18. ______ is ______ packet of chips ?A. How much, aB. How much, anC. How many, anD.How many, the( ) 19. Millie is a good swimmer, and she can swim _______ a fish.A. likesB. is likeC. likeD. is likes( ) 20. What do you want to buy?A. otherB. elseC. else thingsD. others( ) 21. Mr. White is showing them their school.A. atB. inC. aroundD. with( ) 22. There’s no buses . He has to _______there _______ his bicycle.A. go to, byB. go, byC. go to ,onD. go , on ( )23. Would you like _________a cup of tea?A. drinkB. to drinkC. drinkingD. to drinking( )24. How do you say 15,858?A. Fifteen thousands, eight hundred and fifty-eightB. Fifteen thousand, eight hundreds and fifty eight.C. Fifteen thousand, eight hundred and fifty-eightD. Fifteen thousand and eight hundred and fifty-eight.( )25. We will arrive _________ Tokyo __________ the afternoon of March 3.A. at, inB. in, onC. in, inD. at, at二、完形填空 10分Mrs Black was waiting 1 an important 2 ,but she had 3 bread in the house, so she left the baby at home and said toher five-year-old son. “I’m going to the shop, Jimmy, andI’ll 4 in a few minutes.〞When she was 5 ,the telephone rang, and Jimmy answered.“Hello,〞 said a man, “Is your mother there?〞“No,〞 Jimmyanswered .“Well ,when she comes back, tell her that Mr Bakertelephoned.〞“What?〞“Mr Baker. Write it 6 .〞“Ican’t write.〞“Litt le boy, is there anybody else 7 you?Any brother or sisters?〞“My brother Billy is here.〞“Good!I want to talk to him, please.〞“All right,〞 Jimmy took the8 to the baby’s bed and gave it to Billy.When their mother came back, she asked, “Did 9 telephone ?〞“Yes,〞said Jimmy, “A man only wants to talkto 10 .〞〔〕1. A. at B. for C. in D. to〔〕2. A. telephone call B. bus C. manD. woman〔〕3. A. some B. no C. and D.not〔〕4. A. back B. to back C. come back D.to come back〔〕5. A. home B. in C. out D. back〔〕6. A. up B. down C. away D. out〔〕7. A. with B. and C. / D. or〔〕8. A. read B. pen C. paper D.telephone〔〕9. A. someone B. anyone C. somebody D. no one〔〕10. A. me B. Billy C. Jimmy D.you三、阅读(yuèdú)理解 20分〔A〕 All students need to have good habits〔好习惯〕: When you have good study habits, you learn things quickly. You also remember them easily.Do you like to study in the living room? This is not a good place because it is usually too noisy. You need to study in a quiet place, like your bedroom. A quiet place will help you only think about one thing, and you will learn better.Before you begin to study, do not forget to clean your desk. A good desk light is important, too. You’ll feel tired easily if there is not enough light.〔〕1. When you have good study habits, you will .A. learn things quicklyB. remember things easilyC. think about one thingD. both A and B〔〕2. The living-room is not a good place for study because it is too .A. quietB. noisyC. goodD. clean〔〕3. You’ll feel tired easily if the light is .A. goodB. enoughC. badD. wonderful〔〕4. You should remember to before you study.A. clean the deskB. tidy the roomC. turn on the lightD. go to the bedroom〔〕5. The best title〔标题(biāotí)〕 for this passage〔文章〕is .A. Study in the bedroomB. Good study habitsC. How to studyD. Desk light is important(B) A small man goes to the cinema. He buys a ticket and goes in. But after two or three minutes he comes out. He buys a second ticket and goes in again. After a few minutes he comes out again and buys a third ticket. Two or three minutes after that he comes out a third time and asks for another ticket. But the girl says to him, “Why are you buying all these? Are you meeting friends in the cinema all the time?〞“No, I’m not doing that.〞 the small man says, “But a big woman always stops me at the door and tears( 撕掉 ) my tickets up.〞( ) 1. The small man goes to the cinema to .A. see a filmB. watch TVC. meet his friendsD. have a rest( ) 2. The small man a ticket.A. takesB. buysC. bringsD tears( ) 3. After a few minutes the small man again and buys a third ticket.A. getsB. tears up.C. comes outD goes in( ) 4. “No, I’m not doing that.〞 means .A. He isn’t seeing a filmB. He isn’t meeting his friendC. He wants to buy the tickets for the big womanD the big woman doesn’t let him in( ) 5. From the story we can guess(猜) .A. the small man is the first time to go to a cinema.B. the big woman at the door doesn’t like him.C. the small man is afraid of the big woman.D. the small man doesn’t want the big woman to tear histicket up.四、根据(gēnjù)首字母、中文提示、句意写单词20分1. Millie likes eating in W______ restaurants.2. There is less air p________ in Hainan than in Beijing.3. There are no ________ 〔侍者(shìzhě)〕in the Summer Palace.4. Tom is ill and he is in h__________ .5. They are __________ 〔准备〕for tomorrow’s party.6. Today is Monday. _________ is Tuesday.7. She often writes _________ 〔用〕a pencil.8. Mr Li saved lots of people’s _________ 〔生命〕.9. In Sunshine Town, there are many ________ (现代化的) buildings.10. He has _________ (少) money than me.11. Your hands are very d________ . You should wash them at once.12. Who teaches _______ 〔他们〕English this term?13. It’s ten _________ 〔分钟〕walk from the school to the bus stop.14. I’d like three ________ 〔盒〕of milk.15. Who’s he? _________ 〔可能〕he is Mr Wu.16. What’s the weather like today? It’s s__________ .17.We often get _________ 〔明信片〕at Christmas.18. Those ________ 〔孩子们〕bags are in the playground.19. Hurry up, or you’ll m_________ the early bus.20. China is one of the biggest __________ in the world.五、用所给动词的适当形式填空 15分1. There are many souvenirs ________ (buy) in Sunshine Town.2. He often helps the old ________ (carry) things.3. Your idea _________ (not sound) nice. Why not _______ (listen) toothers?4. Look, the bus ___________ (come).5. There _______ (be) lots of tomato juice in the bottle.6. _________ (not be) late again.7. Amy with her parents usually ________ (live) in the country.8. Mr Wang told us _________ (not play) football in the street.9. Don’t come in. The room ________ (be) full of people.10. The students stopped ________ (talk) when the teacher came in.11. Each of us _______ 〔have〕our own bedroom.12. My mother ________ (come) back next Wednesday.13. All the children looked________________(happy) at the fashion show.14. There is always a lot of homework for me_______________(do) at weekends.15. It often takes me 40 minutes______________(ride) back home..六、翻译(fānyì)。

六年级品社第五周双休作业（温馨提示：先记一遍，然后闭卷答题，认真书写噢！星期一上交）（端正学习态度，培养学习习惯，相信自己是最棒的！）班级：姓名：分数：一、想一想，我会填。

（每空0.5分，共31分）1、在地球___________平方千米的表面上，海洋约占___________，陆地约占___________。

2、全世界共有七个大洲，它们是___________、___________、___________、___________、___________、___________、___________。

3、__________就是古代埃及文明的象征。

4、__________和__________孕育了被称为“两河文明”的__________。

5、__________国家是目前世界上石油储量很大、出产和输出石油最多的地区，巨大的石油财富，使许多__________国家跻身世界富国行列。

6、世界上面积最大的国家是___________。

7、世界上四大文明发祥地是___________、___________、___________、___________。

8、世界上面积最大的洲是_________，约占世界陆地面积的_________。

9、在人类的发展过程中，由于民族的不断迁徙和融合，逐渐形成了多种__________和__________的人种。

10、今天，中国正迈开大步，从__________、__________、__________等领域全面走向世界。

中国于世界同行。

11、中国是联合国的创始成员国之一。

___________年联合国恢复中华人民共和国在联合国的合法地位。

12、经过长达_________年的入世谈判，中国于在________年________月________日加入了世界贸易组织。

13、亚洲西部和非洲北部的大多数国家，居民主要是__________，通用__________。

五年级（上）数学第五周周末作业姓名：一、填空（每空1分，20分）1、一个九位数，最高位上的数字是最大一位数，第八位上的数是最小的两个质数的和，万位上是最小的合数，千位上是最小的一位偶数，这个数写作（），读作（），四舍五入到亿位约是（），把它改写成以“万”为单位的数是（）万。

2、梯形的面积=（）。

3、已知三角形面积是20平方厘米，高是5厘米，底是（）厘米。

4、一个数的最小倍数与最大因数都是24，这个数是（）,它的因数有（）。

5、50以内7的倍数是（）。

6、一个三角形的两个直角边都是12厘米，它的面积是（）平方厘米。

7、0.42平方千米=（）公顷=（）平方米（）千米=（）米=2700厘米8、一个平行四边形的面积是与它等底、等高的三角形面积的（）倍。

9、三个偶数的积是（）数，三个奇数的和是（）数。

10、5个81是（），9个91是（），117里有（）个111。

二、判断（5分）（1）2、3、5一定是12390的因数。

（）（2）如两个平行四边形的面积相等，那么它们一定是等底等高的两个平行四边形。

（）（3）要2□5是3的倍数，□里只能填2. ( ) (4)两个面积一样的三角形一定能拼成一个平行四边形。

（）（5）一个平行四边形与一个三角形等面积等底，那么这三角形的高一定是平行四边形高的2倍。

（）三、计算1、口算（8分）0.5÷0.2= 27+27×27-27= 0.125×9×8= 90÷9+1= 70÷0.1= 72÷72×72÷72= 3.75-1.48-1.52= 0.72+9.5+1.28=2、竖式计算（8分）0.75×2.04= 7.6÷0.25= 3.4-2.275= 1÷80=3、脱式计算，能简算的简算（12分）72.8+27.8×4.3+5.7 72.8+27.8×（4.3+5.7）（72.8+27.8）×（4.3+5.7） 2.01×7.5+3.5×2.01-2.014、解方程（8分）7x÷4=14 4(x-8)=24 5x-4+3x=20 72-3x=12 5、求下列图形的面积（单位：厘米）（9分）四、解决问题（30分）1、用一块上底20米，下底50米，高30米的梯形地栽柑树。

Weekly Test of Unit 5 (By David)一、单项填空（20分）（）1._____ in the sun is bad for your eyes.A. SwimmingB. ReadingC. ShoppingD. Talking（）2.----_____ is he swimming? ---- In the pool.A. WhereB. WhatC. HowD. When（）3. ---- _____ do you want to go to the party? ---- Let’s go at 7:00 pm.A. HowB. WhereC. WhenD. Who（）4 I often get up _____8 o’clock_______ Sunday morning.A. at, onB. at, inC. in, inD. in, on（）5.----Are you doing your homework? ----_____, because I have no time to do it later.A. Yes, I doB. Yes, I amC. No, I am notD. Yes, I did（）6.---- Do you want _____with me? ---- Good idea.A. go shoppingB. to going shoppingC. shoppingD. to go shopping（）7.—Hello? Is Tom speaking?---Sorry, he is not here. ______ Tim.A. That isB.I amC. This isD. it is( ) 8. ---What _____ he _______? ---He is a doctor.A. is, doingB. does, doC. is, doD. does, want to be ( ) 9 ----What are you doing? --- I _______ the photos.A. am lookingB. am look atC. looking atD. am looking at( ) 10. Let’s read _________ together.A. lesson twoB. the second lessonC. Second LessonD. second lesson( ) 11. –Do you want to go to the movies with me? --- _________.A. That sounds greatB. Sure, I don’t like moviesC. No, I like moviesD. Sound great( ) 12. ---_______ you play basketball after school?A. AreB. IsC. DoD. Does( ) 13. –Look, my mother _______ our room. –So your room _________.A. cleans, is cleanB. is cleaning, is cleaningC. is cleaning, is clean D is clean, is clean( ) 14. It is really a ______ music and I feel ______ after I listen to it.A. relax, relaxedB. relax, relaxingC. relaxing, relaxedD. relaxed, relaxing. ( ) 15. My parents _______ TV over there. Can’t you see them?A. is watchingB. are watchC. watchD. are watching( ) 16. Mr. Green ________ English.A. is speakB. isn’t speaksC. can’t speaksD. doesn’t speak( ) 17. He ______ newspapers every day. But he ________ football now.A. reads, playsB. is reading, playsC. reads, is playingD. is reading, is playing( ) 18. ---May I speak to Mr. Brown?---Sorry, he _______ now.A. drivesB. is drivingC. drivingD. is drive( ) 19. ---They _______ about Super V oice Girl. Let’s join them. ---Ok, let’s go.A. are takingB. are talkC. talkD. are talking( ) 20 ---Let’s ask her to play computer games now. ---Oh, no. She _______ her clothes.A. washesB. is washC. must to washD. is washing二、完形填空（10分）Today is Sunday. The _1___is sunny and windy. There are lots of people in the park. There are many boats on the lake. One boat __2___like a long dragon. Another boat looks like a fat chicken.The _3____one looks like a little duck. The fourth one looks like a cute goldfish.Quite a ___4___people are boating in them. Lucy and Lily like_5____very much, and they are very good at it. Look! Their boat is going on the lake like a__6__. Sometimes it turns left. Sometimes it turns right.Kate and Han Meimei are also boating. But they don’t do_7_____in it. Kate says,‖I don’t think we can boat well. I am afraid it’s too__8___. Let’s stop here.‖ Han Meimei says, ―Don’t lose confidence.(信心) I think we can do it well. Let’s go on.‖What are Jim and Lin Tao doing? They are watching _9______in the zoo. Now they are standing near the__10__.They want to count them. But it’s too difficult because they are running and jumping all the time. Lin Tao says he likes moneys best. Jim says he likes pandas best.（）1.A.whether B. weather C. sky D. day（）2. A. are B. is looks C. looks D. look（）3.A.three B.second C. first D. third（）4.A.little B. few C. many D much（）5.A.boats B. ship C. boating D. boat（）6.A.fish B. man C. woman D animal（）7.A.good B. well C. bad D. badly（）8.A.small B. big C. hard D. easy（）9. A. flowers B. animals C. TV D. games（）10. A.pandas B. tigers C. monkeys D. elephants三、阅读理解（20分）AHarry is eight years old. He goes to school near his home. He always goes there and comes home on foot. One day he comes home from school late. His mother sees him and asks him, ―why are you late, Harry?“My teacher is very angry and asks you to go to her office tomorrow.‖―To her office? Why?‖ his mother asks. ―Because she asks a question in the class,‖ says Harry. ―Nobody can answer it, but I can.‖―You are so clever, my son,‖ his mother says with a smile.― Her question is who puts the tomato on my chair and makes my trousers dirty,‖ says Harry. ( ) 1. Harry is late because ______.A. he does his homework at schoolB. he plays football at schoolC. his teacher is angry and he is asked to stay at schoolD. he is asked to go to the teacher’s office( ) 2. _____ can answer the teacher’s question in class.A. NobodyB. HarryC. Many studentsD. A few students( ) 3. There is a _____ on the teacher’s chair.A. bookB. tomatoC. bagD. pen( ) 4. The teacher asks Harry’s mother to school because _____.A. Harry is eightB. Harry goes to school on footC. Harry’s home is nearD. Harry makes her angry( ) 5.The teacher’s trousers are dirty because _______.A. she falls to the groundB. it is raining hardC. she sits on the chairD. she puts her cup on the chairBA good way to pass an exam is to work hard every day. You may not pass an exam if you don’t work hard for most time and then work only a few days before the exam. If you are taking an English exam, don’t only learn the rules of grammar. Try to read stories in English and speakEnglish whenever you can.Before you start the exam, read carefully over the question paper. Try to understand the exact (确切的) meaning of each question before you pick up your pen to write. When you have at last finished your exam, read over your answers. Correct (改正) the mistakes if there re any and make sure that you have not missed a anything out.( ) 6. How can you do well in an exam?A. Work hard every day.B. Read stories in English.C. Stay up late the night before and exam.D. Work hard only a few days before an exam.( ) 7. Learning the rules of grammar _____________ to pass an English exam.A. is enoughB. is not enoughC. is not necessaryD. is of no use( ) 8. It is not a good way ___________.A. to read English storiesB. to learn rules of grammarC. to speak English as much as possibleD. to work hard only a few days before the exam( ) 9. The word “whenever”means ________.A. only in classB. what timeC. at any timeD. for ever (永远)( )10. ―Miss…out‖ means ________.A. think hardB. not have enough time to doC. not put in or doD. give the wrong answer四、看图填词（10分）Look! Here are some of my __1____.In the ___2___ photo, I am in the ___3____. I am___4__ a book. The book is very interesting. I like ___5___ . In the second photo, I am ____6__ at the pool. The water is very cool. In the ___7___photo,you can see I am shopping __8____ my mother. In the last photo, I ___9___ playing basketball at school. I often ____10_____ basketball at school because I am in the school basketball team.五、词汇（10分）(1) Look. Tom is ______(打开) the drawer in the bedroom.(2 )My sister can't go to the zoo with me because she has some _______ (活动）to do.(3) He is _______(吃) dinner at home.(4) Is she ________ (坐) on the sofa?(5) The students are playing with some _______(小鸟).(6) Does your mother __________ (跳舞) every day?(7) There are not so many _______(玩具) in the shop.(8) My father is watching a TV_______(节目）now.(9) Is Frank _______ (写）a letter in the room now?(10 ) How many _______ (照相机) does he have?六、翻译句子（15分）1.她不是正在车站等车。

第五周周末作业制卷人：李光仁审核人：孟有海一、我会选1．为了使天空变得更蓝，人类正在积极行动。

下列做法不可行的是( ) A．积极植树造林 B．大量使用煤作燃料C．加强空气监测 D．开发太阳能和风能2．空气里含有①氧气、②氮气、③稀有气体、④二氧化碳及其它气体和杂质，这些气体在空气中的体积分数按由大到小顺序排列正确的是( )A．①②③④ B．②①③④ C．①②④③ D．②①④③3．由于森林的过量砍伐、草场大面积开垦，土地出现沙漠化，导致我国北方地区多次出现沙尘暴天气。

沙尘暴天气使空气中增加了大量的( )A．二氧化硫 B．一氧化碳 C．二氧化氮 D．可吸入颗粒物4．下列叙述不正确的是( )A．空气是由几种气体所组成的物质B．一氧化碳、氮气、二氧化碳是污染空气的有害气体C．人类与一切动植物的生存都需要空气D．空气的成分一般是比较固定的5．下列各组变化中，前者属于物理变化，后者属于化学变化的是( )A．铁片生锈，火药爆炸 B．蜡烛燃烧，酒精挥发C．玻璃熔化，黄酒变酸 D．瓷器破碎，滴水成冰6．下列描述氧气的性质中，属于化学性质的是 ( )A．低温下可以变成淡蓝色液体 B．不易溶于水C．在点燃条件下，能与许多物质发生剧烈的化学反应 D．密度比空气的略大7.下列有关氧气性质的叙述中，正确的是（）A．氧气不易溶于水 B．氧气的密度比空气小C．氧气能跟所有物质发生化学反应 D．氧气是一种化学性质比较活泼的气体8．物质发生化学反应的本质特征是( )A．有气体逸出 B．有放热和发光现象产生C．状态和颜色发生了变化 D．有其他物质生成9．某同学做物质在氧气中燃烧的实验方法如下图所示，其中不合理的是( ) A．木炭在氧气中燃烧 B．铁丝在氧气中燃烧C．硫在氧气中燃烧 D．蜡烛在氧气中燃烧10．宇宙火箭发动机里使用的液氧的作用是( )A．作燃料 B．促使燃料迅速燃烧 C．供给呼吸 D．携带方便11．在用过氧化氢和二氧化锰制取氧气的反应中，反应前后质量不变的物质是( ) A．过氧化氢 B．二氧化锰 C．水 D．氧气12．用高锰酸钾制取氧气有下面一些操作：①加热；②收集氧气；③装入药品，并在试管口放一团棉花，然后塞紧带导管的橡胶塞；④检查气密性；⑤停止加热；⑥将导气管从水槽里取出。

五年级数学上册第5周周末作业(二套)目录：五年级数学上册第5周周末作业一五年级数学上册第一二单元检测题二- 1 - / 11第五周数学周末作业班级：姓名：分数：★★★★★五年级数学上册第5周周末作业一一、填空题1、26.4+26.4+26.4+26.4+26.4+26.4=（）×（）2、把3.67的小数点去掉后，原数就（）到它的（）。

3、1.625保留一位小数大约是（），精确到百分位约是（）。

4、4.09×0.05的积有（）小数，5.2×4.76的积有（）位小数。

5、根据47×14=658，直接写出下面各题的积。

0.47×14= 4.7×14= 0.47×1.4=47×0.14= 0.47×0.14= 470×0.014=6、在（）里填上>、<或=196×0．8（）196 35×2.5（）350.78×1.1 （） 0.78 6.2×0.99（）6.27、一个两位小数用四舍五入法保留一位小数后得到3.0，这个数最大可能是（），最小可能是（）。

二、选择题。

1、5.995保留三位小数是（）。

A、5.999B、6.0C、6.00D、6.0002、下面各式中积最小的是（）。

A、0.5×1B、0.5×0.5C、0.5×1.53、表示求35的十分之七是多少？列算式是（）。

A、35×0.7B、35×7C、35×704、一个因数扩大10倍，另一个因数缩小10倍，积是（）。

A、扩大100倍B、缩小100倍C、扩大10倍D、不变5、两个因数都是0.9，写成算式是（）A、0.9×2B、0.9×0.9C、0.9+0.96、近似数0.5、0.50、0.500这三个数（）。

A、相等B、不相等C、0.500最大D、大小相等，但精确度不同三、列竖式计算3.14×5.7 2.5×14 1.05×8.45.8×1.25 3.08×11 16.1×0.190.46×3.5 0.6×2.16 5.06×0.750.72×0.18 0.86×1.4 0.54×1.35四：列竖式计算并验算29.07÷ 19 49.14÷26 20.16÷8450.4÷14 3.91÷85 1.053÷39五、脱式计算，能简便的要用简便方法计算。

七年级数学第五周周末作业姓名一、填空题 1、化简：〔1〕()=-42x〔2〕()()=-•342a a 〔3〕()()=-÷-aa 42、等腰三角形的两边长为5cm ，10cm ，那么它的周长等于3、假设一个多边形的内角和是外角和的3．5倍，那么此多边形的边数是_____________．4、有棱长为4×103米的正方体容器5个，可以盛水最多为 立方米〔用科学记数法表示〕5、340________430〔 填“＞〞“＜〞或者“＝〞 〕 6、200820074)25.0(⨯-=______；323)4()5.2(a a -⋅-=7、41,4=-=y x ，那么4143)(+⋅⋅n n y x x = 8、推理填空，如图 ∵∠B ＝＿＿＿；∴AB ∥CD 〔＿＿＿＿＿＿＿＿＿＿＿＿〕； ∵∠DGF ＝＿＿＿；∴CD ∥EF 〔＿＿＿＿＿＿＿＿＿＿＿＿〕； ∵AB ∥EF ；∴∠B ＋＿＿＿＝180°〔＿＿＿＿＿＿＿＿＿＿＿〕；9、如以下图，根据图中的数据，计算阴影局部的面积为第9题 第10题 第11题 第32112题10、 如图，小明课间把教师的三角板的直角顶点放在黑板两条平行线a 、b 上，∠1=55°，那么∠2的度数为 。

11、 如图，把ΔABC 沿线段DE 折叠，使点A 落在点F 处，BC ∥DE ，假设∠B=80°，那么∠BDF=______12、 如图为6个边长相等 的正方形的组合图形，那么123∠+∠+∠= 。

二、选择题：13、有两根13cm 、15cm 的木棒，要想以这两根木棒做一个三角形，可以选用第三根木棒的长为〔 〕A 、2cmB 、11cmC 、28cmD 、30cm14、假设∠α+∠β=90°, ∠β+∠γ=90°，那么∠α与∠γ的关系是 ( ) A 、互余B 、互补C 、相等D 、没有关系15、假设两条直线被第三条直线所截，那么 〔 〕A 、同位角相等B 、内错角相等C 、同旁内角互补D 、以上结论都不对 16、如图，假设AD ∥BC ，那么 〔 〕 A 、∠DAC=∠BCA B 、∠BAC=∠DCA C 、∠DAC=∠BAC D 、∠B+∠BCD=180°17、具备以下条件的△ABC 中，不是直角三角形的是〔 〕A ．∠A ＋∠B=∠CB ．∠A －∠B=∠C C ．∠A ︰∠B ︰∠C =1︰2︰3D ．∠A=∠B=3∠C 18、以下计算中正确的选项是〔 〕A ．5322a a a =+B ．532a a a =⋅C ．632a a a =⋅D ．532a a a =+19、小明饶着一个五边形的花圃走了一圈，他一一共转了多少度〔 〕A ．180B. 36020、 如图，边长为(m +3)的正方形纸片剪出一个边长为m 的正方形之后余局部又剪拼成一个矩形(不重叠无缝隙)，假设拼成的矩形一边长为3，那么另一边长是〔 〕A ．2m +3B ．2m +6C ．m +3D ．m +621、计算：(1) (3a 2)3·(a 4) 2－(－a 5)2·(a 2) 2〔2〕()()43238422a ba b -+⋅-〔3〕 (－1)2021+()201020098125.0⨯-－|－3|；〔4〕999100100)1(5.02-⨯⨯-；(5) 假设23=m，43=n，那么求123-+n m 的值。

五年级数学第五周周末作业班级姓名一、填空题。

1、在括号里填上适当的数7.9立方分米＝（）立方厘米8600平方厘米＝（）平方分米980立方分米＝（）立方米9.4立方厘米＝（）立方分米2、一个正方体棱长5厘米，它的棱长和是（），表面积是（），体积是（）。

3．正方体的棱长扩大3倍，它的棱长总和扩大（）倍，表面积扩大（）体积扩大（）4、一个长方体木箱的长是6分米，宽是5分米，高是4分米，它的棱长和是（），占地面积最小是（），表面积是（），体积是（）。

5、至少要（）个小正方体才能拼成一个大正方体，如果一个小正方体的棱长是8厘米，那么大正方体的表面积是（）平方厘米，体积是（）立方厘米。

6、把一个长2米，横截面边长5厘米的木料锯成4段后，表面积比原来增加了( ) 平方厘米。

7、把一个长6厘米，宽5厘米，高4厘米的长方体木块锯成两个小长方体，表面积至少增加( )平方厘米，至多增加( )平方厘米。

8、男生28人，女生23人，女生人数是男生人数的（），男生人数是全班的（）。

9. 把单位“1”（）若干份，表示这样的（）或者（）的数叫做分数，表示其中一份的数叫做（）．10. 把单位“1”平均分成10份，其中的7份就是（），它的分数单位是（）．二、判断：1、正方体是由6个完全相同的正方形组成的图形。

（）2、棱长6厘米的正方体，它的表面积和体积相等。

（）3、a3表示a×3 。

（）4、一个长方体（不含正方体），最多有两个面面积相等。

（）5、体积相等的两个正方体，它们的表面积一定相等。

（）三、选择题1、边长是6分米的正方体，它的表面积与体积比较（）A．一样大 B．表面积大C．不好比较大小D．体积大2、把一个长方体分成几个小长方体后，体积（）表面积（）A．不变 B．比原来大了C．比原来小了四、解决问题1．一个房间的长6米，宽3.5米，高3米，现在要在这个房间的四周贴上瓷砖，贴瓷砖的高度是1.4米，贴瓷砖的面积是多少平方米？2．把一块棱长0.5米的正方体的钢坯锻造成一块横截面面积是0.04平方米的长方体钢条。

（五年级数学）周末作业单（第 5 周）班级姓名学号温故知新1.长方形的面积=（），字母表示：（）；正方形的面积=（），字母表示：（）；平行四边形的面积=（），字母表示：（）；三角形的面积=（），字母表示：（）；梯形的面积=（），字母表示：（）。

2.1元=（）角 1角=（）分 1元=（）分1米=（）厘米 1米=（）毫米 1平方千米=（）公顷3.分母是10、100、1000……的分数都可以用（）来表示。

（）位小数表示十分之几，（）位小数表示百分之几，（）位小数表示千分之几……4.一、认真读题，谨慎填写。

1.小数点右边第三位是（），它的计数单位是（），小数点左边第三位是（），它的计数单位是（）。

2.一个由7个十、5个一、8个十分之一、6个千分之一组成的数是（）。

3. 0.6里面有（）个0.1，0.038里有（）0.001。

4. 在括号里填上适当的数50千克=（）吨 1800平方米=（）公顷1平方米=（ ）平方分米 5厘米6毫米=（ ）厘米16千米=（ ）米 6吨25千克=（ ）吨=（ ）千克5．把下面的数改写成用“米”或“元”做单位的小数。

（1）一枝铅笔长20厘米，是（ ）米。

（2）一根红头绳长5分米8厘米，是（ ）米。

（3）一条皮带长12分米，是（ ）米。

（4）每本日记本1元6角5分，是（ ）元。

（5）每千克巧克力是30元8角，是（ ）元。

(6)海门到启东大约63千米600米,是( )千米6.一个梯形，上底是6厘米，如果上底增加4厘米，那么就变成了正方形。

原来梯形的面积是（ ）平方厘米。

7. 将木条钉成的长方形拉成一个平行四边形（如图），原来长方形的面积是（ ）平方厘米，现在平行四边形的面积是（ ）平方厘米，现在平行四边形的周长是（ ）厘米。

8.一个三角形比与它等底等高的平行四边形的面积少30平方厘米，则这个三角形的面积是（ ）。

1.下面的说法正确的是（ ）。

A ．平行四边形的面积等于三角形的两倍B ．0既不是正数也不是负数。