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2017年寒假作业答案

时间:2017-03-15 14:31:00 来源:免费论文网

篇一:2017寒假作业学案词组答案全

1 good morning / afternoon / evening 4 three sets of keys7 first name 10 have a good day13 thank you for your help 16 ask my uncle for an eraser19 an ID card 22 excuse me 25 four English dictionaries 28 sound good30 watch TV 33 after class/ school 根据音标写单词 1 uncle 2 Hers

3 Mother’s

4 help

5 player 6 picture 7 watch 8 tidy

1 eat well4 eating habits 6 ask some questions9 want them to help us12 how much is / are15 at very good prices18 on January third21 come to my birthday party 24 have a book sale27 his favorite subject30 for sure 根据音标写单词 1 three 2 game 3 hat

4 soon

5 way

6 chicken

7 hamburger 8 price

9 subject

10 Wednesday

2 ask sb. about sth3 think about5 have / eat breakfast/ lunch/ supper 7 healthy food 8 like doing10 need a sweater for school 11 two pairs of white shoes 13 Here you are. 14 at a great sale16 buy sth for sb.=buy sb. sth. 17 sell sth to sb.= sell sb.sth 19 in May 20 Happy birthday 22 have a school trip23 have an art festival 25 have an English party 26 have a good time 28 on Monday morning29 play games with sb. 31 from…to… 32 at one fifty

9 model 10 relaxing

2 in English 3 a map of China 5 nice to meet you 6 her telephone 8 last name9 a middle school student 11 in the first/ next photo 12 a photo of my family 14.You’re welcome 15 eight watches 17 call sb. at… 18 e-mail sb. at… 20 lost and found 21 some pencil boxes 23 What about….? 24 in your grandparents’ room 26 nine radios 27 come on

29 play volleyball/ soccer/ping-pong/computer games 31 go to the same school 32 be easy for sb. 34 watch them on TV

1 play chess 4 play the drums/piano/violin 7 help with 10 get dressed 13 take the subway16 between and 19 listen to 22 make one’s bed 25 kind of 28 be in great danger31 read a newspaper

2 be good at doing 5 be good with 8 on weekends 11 either or14 ride a bike/ by bike 17 come true20 go out 23 be strict with 26 South Africa 29 cut down32 make soup

3 talk to

6 make friends with 9 get up 12 lots of

15 think of18 on time

21 do the dishes

24 follow/ obey the rules 27 get lost30 be made of

33 go to the movies

34 eat out

35 drink tea

根据音标写单词:

1.drew2. people 3. center4. Exercise5.quarter 6. taste7. crossed8. Ninety 9. bridge10. arrived11. practicing12. terrible

1 take a message for sb.2 call sb. back6 go along7 turn left/ right 10 be of medium height11 be of medium build 15 take one’s order 16 a big bowl of 20 cut up21 milk a cow25 in the countryside26 fire station29 stay up late 30 run away34 get a surprise 35 shout to根据音标写单词: 1 winter 8 lucky

2 height 9 Milking

3 across4 another 10 specials

5 message

6 surprise

7 large

3 pay phone8 spend time doing 12 a little 17 around the world 22 ride a horse 27 all in all31 shout at36 up and down

4 across from 5 in front of 9 enjoy reading 13 in the end 14 would like 18 make a wish 19 get popular 23 feed chickens 24 quite a lot of 28 be interested in 32 fly a kite 33 put up37 wake up

1 quite a few 2 of course3 feel like 4 because of 5 go somewhere interesting 6 take quite a few photos 7 taste really great 8 feed hens 9 keep a diary 10 decide to go the beach 11 enjoy walking around the town 12 wait over an hour for the train13 because of the bad weather 14 bring enough money15 forget to bring an umbrella 16 walk for another two hours 17 learn something important 18 find out19 walk up to the top 20 jump up and down in excitement 21 start to come up 22 hardly ever 23 at least 24 such as25 more than26 less than 27 help with housework 28 three or four times a week 29 twice a month 30 use the Internet 31 stay up late 32 eat healthy breakfast 33 eat junk food34 be good for health35 not…at all36 use it for fun 37 the answer to the question 38 care about 39 as long as40 be different from 41 bring out42 the same as 43 in fact 44 be similar to 45 not as/so…as 46 do the same things as me 47 make me laugh 48 be talented in music 49 reach for your hand 50 touch your heart 51 share everything52 be good with children 53 a lot more outgoing 54 write down 根据音标写单词: 1 health 9 diaries

2 differences 10 decided

3 necessary

4 broke

5 truly

6 umbrella

7 wonder

8 laugh

1. the worst service2. sit the most comfortably 3. get more and more popular 5. such as6.be up to 7. play a role in 9. take …seriously 10. learn from 11. plan to do 13. be ready to 14. come out 15. face any danger

4. have in common

8. make up12. find out16. dress up

17. take one’s place 18.do a good job 19. be sure about 20. grow up 21. make sure22. be good at 23. try your best 24. sound difficult 25. make the soccer team 26. get good grades 27. make resolutions 28. be able to do29. make promises 30. at the beginning of the year 31. write down32. improve our lives 33. have to do with34. take up35. have one thing in common36. agree with37. my own personal improvement 38. improve my physical health39. improve my relationships with my family and friends 根据音标写单词: 1 army 2 worst7.service improved

3.theater 4.culture 5.educational6. chosen engineer 8. university 9.medicine10.unlucky

根据音标写单词:

1. polluted; 2. peace; 3. possible; 4. machine; 5. traditional; 6. celebrate; 7. available; 8. preparation; 9. calendar; 10. organize; 11. advises; 12. experience

1 have a cold2 have a stomachache 5 have a fever6 take breaks9 right away10 get into13 run out of14 cut off 17 give up18 clean up21 come up with 22 put off25 used to26 care for29 give away30 take after33 take out the rubbish 34 all the time37 depend on38 take care of 41 thanks to42 hurt oneself 45 come over to 46 spend on

3 lie down4 take one’s temperature 7 get off 8 to one’s surprise 11 be used to12 take risks 15 get out of16 be in control of 19 cheer up20 give out 23 hand out24 call up 27 try out28 fix up 31 set up 32 make a difference 35 as soon as36 in order to

39 have a sore throat 40 without thinking twice 43 cut off

44 help sb out 47 provide sth for sb.

根据音标写单词

1 throat 2 passengers 3 breathing 10 provide 11 develop

4 control 5 several 6 raise7 disabled 8 imagine 9 fold

1 look through 2 work out 3 get on (well) with 4 cut out 5 compare with 6 in my opinion7 go off8 fall asleep 9 die down 10 make one’s way to 11 in silence 12 take down 13 remind sb. of14 instead of 15 turn into 16 fall in love with 17 get married to sb. 18 pick up 19 allow sb. to do 20 hardly think clearly 21 at first 22 provide sth. for sb.

根据音标写单词 1 opinion2 nervous3 continue 4 realized5 against 6 strange 7recently8 completely 9 reminded10 magic 11 whole 12 terrorists

1. feel free to do2. as far as I know3. take in4. in the face of 5.even though 6. at birth7. up to 8. walk into 9. fall over 10. or so 11. full of 12. hurry up 13. science fiction 14.ever since 15. belong to 16. one another 17. tea art/set 18.a couple of 19. thousands of 20. on the one hand…on the other hand 21. all year round22.yard sale 23. soft toy24. check out 25. board game26. junior high school 27. clear out 28. no longer 29. part with 30. as for 31. to be honest32. close to

根据音标写单词

1. anicent 2. honest 3. Government 4.protect 5. researching 6. unbelievable 7. truthful 8. opposite9. consider10. centuries

1 have conversations with friends in English 2 improve my speaking skills3 read word by word4 the secret to language learning 5 because of my poor pronunciation 6 look them up in the dictionary 7 have a better understanding of English movies 8 be afraid to do = be afraid of doing 9 take notes in English10 memorize information bit by bit 11 feel bored 12 improve your pronunciation 13 increase reading speed 14 make mistakes in grammar 15 practice speaking 16 depend on your learning habit 17 pay attention to18 learn from mistakes 19 be born with20 connect … with… 21 write down key words 22 put on five pounds23 throw water at each other 24 wash away bad things 25 shoot down26 lay out 27refuse to do 28 as a result 29 learn about 30 dress up as cartoon characters 31 give birth to 32 the spirit of Christmas 33 treat sb nicely 34 the importance of sharing and giving loveand joy to people around 35 think about oneself 36 celebrate the beginning of new life37 end up like him 38 expect sb to do sth 39 take him back to his childhood 40 remind sb of sth 41 not only… but also… 42 decide to change his life 43 promise to be a better person

44 ay eggs45a symbol of new life 46 warn sb. to do sth.

根据音标写单词

1 pronunciation 2 increased 3 connect 4 expression5 wisely6 novel 7 treat 8 spread9 punish 10 warn 11 admiring

1 turn right2 pass by/go past3 look scary 4 an uncrowded restroom 5 the convenient subway 6 ask for help politely 7 such as 8 in different situations 9 sound much more polite 10 pardon me 11 wake up early12 be in a rush 13 thank the person for helping you 14 a good choice15 parking lot 16 from time to time17 used to be short 18 used to wear glasses 19 be silent in class20 to start with 21 not brave enough to ask questions 22 get good grades on exams 23 turn red24 such a great idea 25 deal with 26 interview a 19-year –old Asianpop star27 fight on28 get tons of attention 29 have much private time30 on the soccer team 31 prepare for 32 the road to success 33 think about doing/consider doing 34 make it to the top 35 give a speech in public 36 be worried about 37 be nervous about tests 38 sound less polite 39 be proud of/take pride in 40 in person 41 influence the school work 42 feel lonely 43 become less interested in 44 fail the exams 45 to everyone’s surprise 46 give a general self-introduction 47in public48be afraid of being alone 49 be absent from classes 50 have a great influence on sb.

根据音标写单词

1 request 2 convenient 3 politely 4 correct5 underground 6 suggested 7 fascinating 8 humorous 9 shyness 10 Influence 11 examination 12 general

1. be made of 2. be made in3. not only … but also4. be made from5. be famous / known for 6.not only … but also7. as far as I know 8. no matter 9. look up to 10. even though / if 11. such as12.stop …from doing13. be turned into14. have a point 15. take place

16. without doubt 17. all of a sudden 18. by mistake 19. divide …into 20. at the same time根据音标写单词

1. leaves 2. environmental3. produced 4. widely5. processing 6. local7. material

8. international9. celebration10. completed 11. electricity12. mentioned13. translated14. smell 15. sour16. lock 17. popularity18. heroes19. trade20. nearlymusical instrument

1. get one’s driver’s license2. 16-year-olds 3.get ears pierced4. talk back5. make sure 6. keep sb. from danger7. give me a hug8. lift me up9. cough badly 10. shout back angrily 11. make one’s own decision 12. be strict with sb. 13. keep off the mobile phone 14. run after 15. get in the way of 16. have nothing against doing 17. be serious about 18. belong to19. feel sleepy20. run for exercise 21have a medical purpose 22 honor ancestors

篇二:2016-2017学年寒假作业(四)

2016-2017数学寒假作

業(四)

一.解答题(共22小题)

1.某检修小组A乘一辆汽车沿公路检修线路,约定向东为正,某天从甲地出发到收工时,行走记录为(单位:千米):﹣2,+12,+15,+4,﹣5,﹣2,+5,﹣1,+10,﹣3,+6;另一小组B也从甲地出发,在南北方向检修,约定向北为正,行走记录为:+9,﹣5,﹣17,+9,﹣2,+4,﹣7,+8,+6,﹣1,﹣8.

(1)分别计算收工时,两组在甲地的哪一边,距甲地多远?

(2)若每千米汽车耗油量为a升,求出发到收工两小组各耗油多少升?

2.蜗牛从某点O开始沿一东西方向直线爬行,规定向东爬行的路程记为正数,向西爬行的路程记为负数.爬过的各段路程依次为(单位:cm):+5,﹣3,+10,﹣8,﹣6,+12,﹣

10.在爬行过程中,如果每爬1cm奖励一粒芝麻,则蜗牛一共得到多少粒芝麻?

3.某个体儿童服装店老板以每件32元的价格购进30件连衣裙,针对不同的顾客,30件连衣裙的售价不完全相同,若以每件47元为标准,将超过的钱数记为正,不足的钱数记为负,

4.出租车司机小王在东西向的公路上接送学生.如果规定向东为正,向西为负,出租车的行程如下(单位:千米):+15,﹣4,+13,﹣10,﹣12,+3,﹣13,﹣17.

(1)最后一名学生送到目的地时,小王距出车地点的距离是多少?

(2)若汽车耗油量为0.11升/千米,汽车共耗油多少升?

5.出租车司机张师傅11月1日这天上午的营运全在一条南北大道上来回进行.如果规定:向北为正,向南为负,那么他这天上午拉了六次乘客,所行的路程依次为(单位:千米):+5,﹣3,+10,﹣8,+12,﹣10.)

(1)他离开出发地最远时距出发地多远?

(2)如果出租车的收费标准时:起步价10元,3千米后每千米2元,问:张师傅这天上午的收入一共是多少元?

6.某食品厂质检科的同志,从流水线上生产的罐头中抽出20听罐头检查质量.

将超过标准

7.市民小张上周五买进某公司股票1000股(周末不开市),每股13.80元,下表表示本周一至周五每日该股票(单位:元)的涨跌情况:(“+”表示比前一天涨的,“﹣”表示比前一天跌的)

第1页(共3页)

(2)已知小张买进股票时付了成交额0.15%的手续费,卖出时还需付成交额0.15%的手续费和0.1%的交易锐,如果小张在本周五收盘前将股票卖出,他的收益如何?

(3)试一试,根据上表,请你提出一个问题并解决问题.

8.四川发生地震后,某抗灾救损队乘车负责向各灾区运送捐资物品,规定前进为正,后退为负.某天他们从北川某地A出发到收工时,所走的路线长为+8,﹣6,+12,﹣5,﹣10,+7(单位:千米)

(1)问收工时,距A地多远?

(2)若汽车每千米耗油0.2升,问他们从A地出发到收工时,一共耗油多少升?

9.小张上星期日买进某公司股票1000股,每股16元,下表为本周内每日该股票的涨跌情

(1)星期四收盘每股是多少元?

(2)本周内最高价每股多少元?最低是每股多少元? (3)小张买进股票时付0.15%的手续费,卖出时需付成交额0.15%的手续费和0.1%的交易税,如果小张在星期三收盘前将股票全部卖出,他的收益如何?

10.若+5%表示商品价格上涨5%,则﹣3%表示什么?

11.小华从图书馆借了一本300页的图书,他计划每天看60页,结果前两天他按照计划页码阅读,第三天因为有其他事只读了40页,第四天读了70页,第五天刚好读完.用正数和负数表示小华每天超额完成的页数.

12.如果+3m表示向东运动3m,那么﹣2m表示什么?原地不动记作什么?某人先向东运动5m,又回头向西运动7m,那么他实际距原地多少米?可记作什么?

13.若向东走3cm记作+3cm,一只小虫从A地出发先走+16m,再走﹣6cm,又走+12cm,最后走﹣10cm,你能判断出此小虫这时在何处吗?

14.变式训练:下列各数中,正数有4.3,85%,﹣,,0,0.2,

﹣0.03.

15.要测A、B两地的高度差,直接测不好测,在A、B两点问找了D、E、F、G四点,测问:A、B两地哪处高,高多少?

16.有10袋大米,每袋以25kg为标准,超过的质量记作正,不足的质量记作负,记录如下: 2,﹣4,2.5,3.2,﹣0.5,1.5,3,﹣1,0,﹣2.5,求这10袋大米的平均质量.

17.某公路检修小组乘汽车沿公路检修路面,约定前进为正,后退为负.某天自A地出发,到收工时所走的线路为(单位:km):+9,﹣3,+4,﹣2,﹣8,﹣13,﹣3,+10,+7,+3.

(1)问收工时距A地多远?

(2)若汽车耗油量为每100km 15升,问从A地出发到收工时耗油量是多少升?

18.世博会前夕选拔志愿者,按规定女志愿者的标准身高为165cm,高于标准身高记录为正,低于标准身高为负,上海交通大学某班现有5人报名,量得她们的身高后,分别记录为﹣49m,

第2页(共3页)

﹣1cm,0cm,2cm,3cm.若实际选拔志愿者的身高要求为(165±2)cm,那么上述5人中有几人可人选?

19.中午12时水位低于标准水位0.5米,下1时水位上涨1米,下午5时水位又上涨0.5米.

(1)用正数和负数表示中午12时、下午1时、5时的水位;

(2)下午5时比中午12时水位高多少?

20.某出租车沿公路左右行驶,向左为正,向右为负.某天该车从A地出发后到收工回家所走的路线如下:

+8,﹣9,+4,+7,﹣2,﹣10,+18,﹣3,+7,+5.(单位:千米)

(1)收工时离出发点A多少千米?

(2)若该出租车每千米耗油0.11,从A地出发到收工共耗油多少1?

21.某检修小组乘汽车沿公路检修线路,规定前进为正,后退为负,某天自A地出发到收工时所走路线(单位:km)为:+10、﹣3、+4、﹣2、﹣8、+13、﹣2、+12、+7、+5.

(1)问收工时距A地多远?

(2)若每千米耗油0.2kg,问从A地出发到收工时,共耗油多少千克?

22.体育课上全班男生进行60米速度测试,达标成绩为8.0秒(包括8.0秒).下面是第一

(2)平均成绩为多少?

第3页(共3页)

篇三:2016-2017学年寒假作业(五)

2016-2017学年寒假作

业(五)

一.选择题(共13小题)

1.从数轴上看,0是( )

A.最小的整数 B.最大的负数 C.最小的有理数 D.最小的非负数

2.下列说法正确的是( )

A.规定了正方向和单位长度的射线叫做数轴

B.规定了原点、单位长度的线段叫做数轴

C.有正方向和单位长度的直线叫做数轴

D.规定了原点、正方向和单位长度的直线叫做数轴

3.在数轴上与表示﹣2的点相距5个单位长度的点所表示的数是( )

A.3 B.﹣7 C.7 D.3或﹣7

4.在数轴上,﹣1和1之间的有理数有( )

A.1个 B.2个 C.3个 D.无数个

5.在数轴上距原点2 013个单位长度的点表示的数是( )

A.2 013 B.﹣2 013

C.2 013或﹣2 013 D.1 006.5或﹣1 006.5

6.如图,数轴上a,b两点所表示的两数的商为( )

A.1 B.﹣1 C.0 D.2

7.下列四个有理数中,在原点左边的是( )

A.﹣2 014 B.0 C.15.8 D.

8.在数轴上,点A表示﹣8,线段AB在数轴上,若线段AB=20,则点B表示的数是(

A.12 B.﹣28 C.﹣12或28 D.12或﹣28

9.在数轴上与表示的点的距离最近的整数点所表示的数是( )

A.0 B.1 C.﹣1 D.

10.下列说法正确的是( )

A.在数轴上,离原点越远数就越大

B.在数轴上,离原点越远数就越小

C.都在原点右边的两数,离原点越远数就越大

D.都在原点左边的两数,离原点越远数就越大

11.下列图形中是数轴的是( )

A.

D. B. C.

12.在数轴上如果点a表示到原点距离等于5的数,则a+2等于( )

A.7 B.﹣7 C.﹣3 D.﹣3或7

13.m,n两数在数轴上的位置如图所示,下列结论正确的是( )

A.m+n>0 B.m﹣n>0 C.mn>0 D.|m|>|n|

二.填空题(共13小题)

14.从数轴上观察,大于﹣3且小于3的整数是3个单位长度的数是 .

15.如果数轴上A,B两点所表示的数分别是﹣5,1,那么线段A,B两点间的距离为,线段AB的中点所表示的数是 .

16.有理数a、b在数轴上的位置如图所示:化简|a﹣b|﹣(﹣a)﹣|b|=.

17.在数轴上﹣2.5与3.5的两点之间,表示整数的点有

18.数轴上表示﹣3的点到原点的距离是 个单位,到原点的距离等于5.5个单位的点表示的数是 .

19.在数轴上A表示﹣,点B表示,则点

20.利用数轴回答:

(1)写出所有小于4且大于﹣3的整数有 ;

(2)不小于﹣4的非正整数有 .

(3)绝对值小于5的所有整数 .

21.数轴上表示3的点到表示x的点的距离是2,则x的值为.

22.点M从数轴的原点开始,先向左移动3个单位长度,再向右移动2个单位长度,此时点M所表示的数是 .

23.在数轴上表示数2的点在原点 侧.

24.一个点从数轴上表示 的点开始,向右移动5个单位,到达表示3的点处.

25.如图所示,已知数轴上的点A,B,C,若点A表示的数为1,则点B表示的数为原点是 .

26.数轴上的点都表示有理数. .(判断对错)

三.解答题(共4小题)

27.把下列各数分别填在相应的集合里:

﹣1,,0.3,0,﹣1.7,21,﹣2,1.01001,+6,

(1)正数集合{…}

(2)负数集合{…}

(3)正整数集合{ …}

(4)分数集合{…}.

28.既是正数又是分数,这样的数是什么数,举两例说明.

29.把下列各数填在相应的集合里.

﹣5,,2 010,0,﹣,+6.5,﹣10%,﹣0.123.

(1)正整数集合:{};

(2)负数集合:{};

(3)非负数集合:{};

(4)负分数集合:{};

(5)正数集合:{}.

30.有一位同学对老师说,因为像2,+2.37,…等正数是有理数,﹣1,﹣3,﹣6,…等负数也是有理数,同样0也是有理数,因此得出结论:有理数包括正数、0和负数.请问这位同学得出的结论是否正确?若不正确,请说明理由.


2017年寒假作业答案
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