八年级年级上册快乐寒假答案(南方出版社)

20XX年八年级上册寒假作业本的最新答案数学和英语为方便同学们检查自己做的作业正误，以下小编整理的：八年级（初二）上册寒假作业答案数学和英语部分，供大家参考!数学答案勾股数(1) 1.C 2.D 3.60/13cm 4.13 5. 连接B、D，36cm2 6.C勾股数(2)1.C 2.B 3.A 4.130 5.24实数 1.A 2.C3.正负根号5 4.2倍根号2 5.0 5.16.(1)2倍根号2 (2)根号3(3)14+4倍根号3(4)6P22平移与旋转一：AB二：7.5 60P236.(2)解：∵正△ABC∴AB=BC又∵△abd由△ABC旋转∴△abd≌△ABC∴AB=BC=AD=dc∴四边形abcd为菱形(其他的找不到!!!)英语答案P37happy1what a melody(悦耳) song it is! what a fast boy he is !what a heavy girl she is !what a beautiful school it is ! what a good boy he is !what a beatific(幸福) boy he is! 二is cleanedwere takenis makenwas showedare invitenwasn't gavewas slolen ; was found三turtletigerjapanMexicotigersierra leone一：better best havier heavisetmore most older oldestbigger biggest more expensive most expensivemore smart most smart better known best knownmore badly most badly less leasmore carefully most carefully fewer fewestmore slowy most slowy thinner thinnestmore healthy most healthy more easily most easilyhotter hoyyest oftener oftenestfarer farest larger largestP40一：plan to do 计划做某事He planned on taking his vacation in july.hope to do 希望做某事We hope to see you soon.agree to do 同意做某事No results found for agree to do.refuse to do 拒绝做某事She asked him for a loan, but he refused.finish doing 完成某事(后面就不打某事..到时记得自己加上哈)Have you finished reading that magazine?enjoy dong 擅长....I enjoyed reading these books very much.practise doing 练习...I practise my swing.suggest doing 建议..I suggest our going to the park on Sunday admit doing.承认... I admitted breaking the window.deny doing否认...He denied having seen these watches before.arrange for 安排...I’ve arranged for a taxi.offer to do 提供They offered to help melike/love+doing喜欢.. She likes playing the pianohate to do 遗憾...He hated to have quarrelled with her.hate to do 讨厌He hated to have quarrelled with her.remember to do 记住去做某事Do you remember her telephone number?remember doing 记得做过某事I remember telling you about it once.forget to do 忘记去做某事I forgot posting the letter.forget doing 忘记做过某事Don't forget to post the letter.p43动词过去式过去分词be was beencook cooked cookedknow knew knownswim swan swamget got gotteach tought taughtleave left leftfell felt feltsmell smelt smelt drive drove drivenrun ran runthink thought thought keep kept keptbuy bought bought begin began began do did donecost cost costfind found found throw threw throw stand stood stood动词过去式过去分词speak spoke spoken come came come give gave givenhear heard heard send sent senthurt hurt hurtsee saw seensteal stole stolentake took takensleep slept sleptsit sat satmeet met metbring brought broughtfly flew flownwake woke wakenchoose chose chosenlose lost lostread read readrise rose risenwear wore wornP50Early to bedGet up early to exercise every dayTo eat less fatty food and more milk.Do not eat too many sweet can cause obesity.In the case of hot weather drink plenty of water.Can not drink beverages,drink plenty of water.In the winter changes according to the right to add their own clothes to not cath a coldThe eyes will not watch TV much,so choose the appropriate time watching TV.Playing games in not good for mental and physical,we need to less play。

数学天地（一）一、1.D 2.A 3.D 4.A 5.D 6.C 7.B 8.D 9.C 10.D二、11. 80°12. 75°13. 6 4 14. 80° 三、15.(n-2)×180°=2520°，得n=16∴原来的边数为16+1=17 16.连接BC，∠CDB=180°-∠DCB-∠DBC ，∠DCB+∠DBC=180-（∠A+∠ACD+∠ABD），∴∠CDB=180°-[180°-（∠A+∠ACD+∠ABD）] ，∴3∠A=∠A+40°+20° ∠A=30°17.∵∠C+∠DAC=∠ADB ，∠B=∠DAC ，∴∠C+∠B=∠ADB ，又∵∠B+∠C+∠BAC=180° ，∴ ∠ADC=∠BAC 18.（1）△ABD面积=(1/2)BD*AE ，△ACD面积=(1/2)DC*AE ，由于AD是△ABC的中线,则BD=DC ，所以二者面积相等.（2）△ABD周长=AB+BD+AD=AB+(1/2)BC+AD ，△ACD周长=AC+AD+DC=AC+AD+(1/2)BC ，两个相减,即AB-AC=2CM （3）BC=7,则BD=1/2BC=3.5，△ABD的面积=()BD*AE=5.25数学天地（二）一、1.D 2.A 3.C 4.B 5.C 6.D 7.A 8.C 9.C 10.B 11.B 12.B二、13. ∠B=∠E14. 3515. 不足，BC=FE16. AB=DE三、17.连接AD，∵AD∥BC，∴∠DAC=∠BCA，在△ABC和△CDA中，∠DAC=∠BCA、AD=DA、∠B=∠D，∴△ABC≌△CDA，∴AB=CD 18.（1）∵CD⊥AB，BE⊥AC，∠1＝∠2，∴AB=AC，在△AB0与△ACO，AO=AO、∠1=∠2、AB=AC ，∴△ABO≌△ACO，∴OB=OC （2）∵CD⊥AB，BE⊥AC，∴∠BDO=∠CEO=90°，在△BDO和△CEO中∠BDO=∠CEO、∠BOD=∠COE、OB=OC，∴△BDO≌△CEO（AAS），∴OD=OE，又∵OD⊥AB，OE⊥AC，OA=OA ∴RT△AOD≌RT△AOE，∴∠1=∠2．19.∵∠DAB=∠EAC，∴∠DAC=∠EAB，在△ADC和△AEB中，AB=AC、∠DAC=∠EAB、AD=AE，∴△ADC≌△A EB，∴∠B=∠C，又∵AB=AC,∠MAN为公共角，∴△AMC≌△ANB，∴AM=AN20.AB=AC,∵AB=AC，AD=AE，∴∠B=∠C，∠ADE=∠AED，在△ABE和△ADC中，∠B=∠C、AD=AE、∠ADE=∠AED，∴△ABC≌△ACD 21.∵∠C=∠D，OC=OD，∠BOC=∠DOE，∴△BOC≌△EOD，∴BC=DE,同理：△ABO≌△FDO，∴AC=DF，则AB=EF 22.略。

快乐寒假答案八年级【篇一：八年级快乐寒假作业】s=txt>2013初二语文快乐寒假作业一、阅读课文，对照下面的时间表，给课文分段。

1.本文大约写于1927年。

2.“我与父亲不相见已二年余了”，指的是1925—1927年。

3.“那年冬天”，指1917年冬，作者20岁。

4.“近几年来”，从1927年往前推。

5.“我北来后”，指作者1925年到北京清华大学任教。

二、给下列词语中的多音字注音，再按照另外的读音组词。

差使还了亏空照应奔丧不禁三、解词祸不单行狼藉惨淡妥贴警醒颓唐触目伤怀情郁于中琐屑四、讲解句子含义，选择正确答案画“√”。

1.父亲说：“事已如此，不必难过，好在天无绝人之路！”a.表现父亲很坚强（）b.父亲体帖儿子，宽慰他（）c.表现父亲的乐观精神（）2.唉，我现在想想，那时真是太聪明了！a.恨自己太聪明了（）b.反语，恨自己太笨（）c.悔恨自己当时没体会到父亲的深情（）3.我赶紧拭干了泪。

a.“我”为自己这么大还流泪而羞愧（）b.“我”怕自己流泪引起父亲伤心（）c.“我”怕父亲认为我不坚强（）4.他触目伤怀，自然情不能自已，情郁于中，自然要发之于外。

a.父亲的脾气越来越坏（）b.父亲对我越来越亲（）c.父亲对我越来越疏远（）五、填空1.我和父亲分手时，家境越来越，彼此心情都很。

这些都表现在第段中，为下面车站别亲起的作用。

2.课文第4段，连用两个“再三”，为了说明；两个“踌躇”，说明，又连用两个“终于”；反映了。

3.文中次提到父亲的背影，它是父子依依惜别时父亲留给儿子的印象，凝聚着，寄托着；在结构上，背影起到了的作用。

六、解释“已、之、和”在句中的意思，并说出它们的词性。

七、复述父亲过铁道买桔子的过程，要求运用下列词语：蹒跚、探身、穿过、攀、缩、抱、放、爬下、一股脑儿答案一、本文为倒叙。

第1自然段是第一部分，2至6段是第二部分，7段为第三部分。

【篇二：八年级快乐假期答案】txt>1、下列加点字注音正确的一组是（）（3分）2、下列没有错别字的一组是（）（3分）a、鞠躬遗骸锐不可挡张皇失措b、狼藉烦躁荡然无存消声匿迹c、轩榭藩篱惟妙惟肖因地制宜d、归咎喷嚏铸剑为犁穿流不息3．下列句子中加粗的成语运用正确的是（）（3分）a、同学们经常向老师请教，这种锐不可当的精神值得提倡。

八上快乐寒假答案英语8A一、根据所给单词或中文提示用单词的正确形式填空，使句子完整。

1.The boys from Class 1 were （不开心的）because they lost the game.2.The Maths (问题)is very hard ,so you’d better ask for help.3.Mary has (差的)eyesight because of watching too much TV.4.Betty looks like her father with a ( 正方形的) face.5.They are getting ready for the English (测试)these days.6.My uncle often gives me some (建议)to learn English well.7.China is (著名的)for the Great Wall.8.It’s (真实的) that a dog helped an old man out of a fire.9.My mother is kind ,and she always shares her (欢乐) with her friends.10.Tom’s favourite sport is (潜水).11.How many _________ (英雄) do you know during the Liberation War?12. After I came to this school, I knew how to cook ____________(美味的) food.13.Jim’s favourite ____________(科目) is Home Economics.14.The students in Grade 9 in a Middle School are called __________(毕业班的学生).15. Jordan is my hero. When I was young, I ______________(钦佩) him very much.16. Don’t make any noise. I’m reading an ___________(文章) by a girl from the USA.17.I don’t think ____________(地理) and __________(科学) are _______________(不重要).18.I love this game and I spend a lot of time _____________(练习).19.There are many kinds of different ________________ (语言) in the world.20.China is a country with a long ________________ (历史).21. Strong people often _____________(鼓励) themselves to work harder.22. She ___________(嗅，闻) better than her sister.23. Linda has a _____________(锋利) knife and it cuts ____________(good).24.I think it is important for us to _______________(保护)birds.25.The players are busy _______________(准备) for the basketball final.26.Please write as ________________ as possible. (仔细)27.Do tigers have good eyesight and _________________ (听力)?28.We should take some _____________(行为) to protect wild animals.29.Beijing is in the ______________(北方的) part of China.30.--- What does “survive”mean? ----- It means “_________________ (继续) to live”.31. Pandas like eating bamboo ____________. (leaf)32. They enjoyed __________ (they) yesterday.33. He wrote a letter of ___________ (invite) to his friends.34. There are a lot of ____________ (build) in Beijing.35. I can't draw the picture at the ____________ (begin).36. He said he didn't speak Japanese any ____________ (much).37. Huangshan is a place of _____________ (interesting) in China.38. I think it was an ____________ (amaze) thing.39. What about ______________ (visit) the old friends?40. __________________ tusks are very expensive . (elephant)41. I saw them ____________ for animals yesterday. (hunt )42. There are at _____________ (little) 50 students in my class.43. Though Nick tried his best to play tennis , he played very ______________(bad).44. Your story is much ______ (long) than mine. But it is not as _______ (interesting) as mine.45. We have ________ (little) snowfall this year than last year.46. Summer is the _________ (hot) of the four seasons while winter is the _________ (cold).47. Tom is funny and he always makes us ___________ (laugh).48. Would you like to go ____________ (hike) with me tomorrow?49. Keep the windows ____________ (close). It’s too cold outside.50. Tom is kind and ____________ (help).51. Eddie thinks school is like ______________ (watch) TV.52. Which do you like _____________ (good), English or Chinese.53. Betty is the _____________ (pretty) girl in her family.54. The sun shines ___________ (bright). It is a ______________ (sun) day.55. It is really __________________ (snow) today. So I got to school quite late.56. It was ______________ (fog) yesterday. We couldn’t see each other in one meter.57. It is going to be _________ (wind) tonight. The wind will blow _________ (strong).58. Birds can find food __________________ (easy) here.59. The two boys talked so ______________ (noisy)that the teacher told them to be quiet.60. Keeping taking the lands means more and more wetlands will______________ (appear).61. You can not find many cranes here, because they live in much _________(wet)places.二、选择填空1. She always has a smile on her face. What makes her so ?A. happilyB. happyC. sadD. unhappy2. Linda wants to be the most popular singers when she grows up .A. oneB./C. one ofD. a3. He lives in a town Gum Tree. A. call B. calling C. calls D. called4. Which animal do you like ,monkeys ,pandas or camels?A. wellB. betterC. goodD. best5. Please do the exercises as as you can in the English exam.A. wellB. goodC. betterD. more6. The young woman feels about her baby .A. to worryB. worryingC. worryD. worried7. Sally is than her twin sister.A. cleverB. the more cleverC. clevererD. the cleverest8. Tom’s uncle knows computers well ,and he a computer engineer .A. maybeB. may beC. may be isD. may is9. The teacher told the students at people in trouble.A. not laughB. to laughC. don’t laughD. not to laugh10. I think with friends is better than .A. chat ;watching TVB. chatting; watching TVC. chatting; watch TVD. chat ;watch TV11.They have been neighbours a long time.A. inB. sinceC. forD. from12. A: What are you talking about? B: About to use search engines.A. whereB. howC. whichD. what13. Now Helen works than before.A. more carefullyB. more carefulC. carefulerD. carefully14. Mum ,this T-shirt is too small .Would you buy me a one ?A. niceB. largeC. nicerD. larger15. Most of us think an elephant is dangerous than a tiger .A. littleB. lessC. leastD. a little16. Jim has ______ than Tom.A. more CDB. less sheepC. fewer newsD. fewer goldfish17. I hear Jim is going to ______ at the meeting. Do you know what he is going to______?.A. say, talkB. say, speakC. speak, sayD. talk, tell18. Max, do you have_______?A. two more cakesB. two cakes moreC. two another cakesD. more two cakes19. This pen is_____ of the two pens.A. the betterB. the bestC. betterD. best20. Shanghai is bigger than_____ in Jiangsu and bigger than_______ in China.A. any city, any cityB. any city, any other cityC. any other city, the other citiesD. any other city, any city21. ______ you are, _____ mistakes you’ll make.A. The more careful, the fewerB. More careful, the lessC. The more careless, the lessD. More careless, fewer22. The cars in Japan are much cheaper than_____ in China.A. thatB. itC. thoseD. ones23. Do you mind________ me a hand? A. to give B. to help C. help D. giving24. My friend is______ to come to China from America.A. likelyB. likeC. likingD. likes25. ______ fantail goldfish________ bad for it.A. Feed, much areB. To feed, many isC. Feeding, many areD. To feed, much is26. The __________ food ________ very nice, would you like to have a __________?A. taste, tasty, tasteB. tasty, tastes, tasteC. taste, tastes, tastyD. tasty, tasty, tasty27. It’s _______ useless book. Don’t read it any more.A. anB. aC. theD./28. Don’t play in the street, children! ___________A. Sorry, we won’t.B. Sorry, we can’t.C. Yes, we won’t.D.OK, we don’t.29. I know____ of those people in the room, so I left.A. fewB. a fewC. a littleD. little30. ---_______ will she finish reading the magazine? --- In three hours.A. whenB. How longC. How soonD. A & C三、翻译句子1. 格林先生计划到中国一些名胜之地旅游。

八上快乐寒假作业答案2017年八上快乐寒假作业答案寒假假期即将结束了，相信同学们的寒假作业完成了七七八八吧，下面店铺为大家分享八年级上册的语文快乐寒假作业答案，希望能帮助到大家!一、1.注音dí jìng jié dū wén jiān kùi xiè 襄陵2、选词 B E F D C A3、填空(1)时间、地点、人物、事件的起因、经过、结果(2)标题、导语、主体、结构、背景4、C5、jìn gāo zè yào yāo 飒飒梭蹿蹿6、修辞手法(1)反复 (2)反问 (3)借代 (4)反语7、(1)理由：上网可收集各方面的资料，扩大知识面，帮助学习。

(2)观点：上网弊大于利理由：网络游戏容易让人沉迷，从而荒废学业。

8、略 9、略 10、课堂声声撒酒疯二1、注音lìjiào jū fǘ 匍袭屏穆2、A、C、A、A3、A4、(1)夸张 (2)比喻 (3)比喻5、huǎng niáo fǎ xī qiè 骇劫缀6、C7、略 8 、稳步增长上升9、“客到” “盘中”10、少壮不努力，老大徒伤悲。

(2)用水比喻时光，匆匆一去复返。

以警告世人要珍惜时间。

三、Cuì lóng miù yì wāng mù niáo huǎng2、B、C、A、D、3、4—2----3-----14、zèn xù jié màng 拙诅孀耸5、B、B、C、B、6、姆、琐、衰7、人物地位虽然低下，但却有傲气和骨气。

8、就那么一个老妪，跻身她们中间，并不起劲儿地招徕。

偶尔发一声叫卖，嗓音是沙哑的。

9、为了获得自信自己仍然立在好人边上的慰，老妪退钱表现了“人心的尊贵”，相比之下，“我”深感自己的行为比较庸俗。

快乐过寒假八年级答案【篇一：快乐寒假八年级数学答案】>一、填空题（每小题2分，共24分）3．已知函数y=(m-1)x+m2-1是正比例函数，则m=.4．在一次函数y=2x-2的图像上，和轴的距离等于1的点的坐标是。

5．把直线y=-2x+1沿轴向上平移2个单位，所得直线的函数关系式为6一次函数y= -2x+4的图象与坐标轴所围成的三角形面积是11、小亮早晨从家骑车到学校先上坡后下坡，行程情况如图所示，若返回时上坡、下坡的速度仍保持不变，那么小亮从学校骑车回家用的时间是分钟。

12．若矩形的一个角的平分线分一边为4cm和3cm的两部分，则矩形的周长为__________．二、选择题（每小题2分，共20分）13．下列图形中，绕某个点旋转能与自身重合的有…………………………（）①正方形②长方形③等边三角形④线段⑤角a、5个b、2个c、3个d、4个15.如图，梯形abcd中，ad//bc，bd为对角线，中位线ef交bd于o点，若fo－eo=3，则bc－ad等于………………………………………………（）a．4b．6 c．8 d．1016．平行四边形abcd中，若有三条边的长度分别为（x－2）cm，(x+3)cm，8cm，则平行四边形abcd的周长是………………………………………………………（）a、22cm;b、42cm;c、11cm或21cmd、22cm或42cm17．平行四边形的对角线长为x、y，一边长为12，则x、y的值可能是……（）a．8和14 b．10和14c．18和20d．10和3418．在矩形abcd中，ab＝2ad，e是cd上一点，且ae＝ab，则∠cbe＝（）19、一次函数y=kx＋1－k的图象如图，则k的取值范围为…………………………（）a、0＜k＜1b、k＜0c、k＞1d、k＜1a、①b、②c、③d、④21．已知函数y=kx+b的图象如图，则y=2kx + b的图象可能是……………………（）22．p1(x1，y1)，p2(x2，y2)是正比例函数y= -x图象上的两点，则下列判断正确的是()a．y1y2 b．y1y2 c．当x1x2时，y1y2 d．当x1x2时，y1y2三、解答与说理题（共56分）23．求下列各式中的值（6分）24．（8分）作图题：（1）作出四边形abcd关于o点成中心（2）如图，已知点a，b的坐标分别为（0，0），（4，0），将△abc绕点a按逆时针方向旋转90o得到△ab′c′. （4分）（1）画出△ab′c′；（2）点c′的坐标25、（10分）函数y=ax+b,当x=1时，y=1；当x=2时，y=－5。

在同学们的期待中，221年的寒假如约而至，那么在假期当中我们要规划好玩乐和学习的时间，要认真完成好寒假作业喔，完成好后也可以核对一下答案。

在这里给大家带来初二上册寒假作业答案221_八年级上学期寒假作业答案，希望大家喜欢!221初二上学期物理寒假作业答案第1页1、B、452、22 213、54、人、河岸5、运动6、地面、地面、椅背、车7、A8、c9、C 1、C 11、A12、D 13、B 14、B第2页1、长、短2、每秒行驶5米3、25 254、25 5/35、路程、时间、 V=s/t6、 .4便于测量时间7、1min8、路程、时间、速度9、25m/s交接棒所用时间少1、8 222 .45 11 、8 6 大于12、(1)v=s/t=3m/5h=6 km/h ⑵ v=s/t=3m/5h=12 km/h(3)t=t1 —12=5h — 5h=5h第3页1、振动、空气、山间铃响马帮来2、不能、能3、快4、不相同、空气、耳朵5、小于、波的、泡沫塑料屑在飞舞、在振动6、C7、C8、C9、音调、音色、音调、响度1、频率、快慢、频率、高11、次数HZ 2---2HZ12、强弱、振幅、振幅、大、远近 13、分贝、9dB 14、慢、低、大、大15、音色、响度16、信息、能量17、C 18、B 19、C 2、A第4页1、A2、C3、A4、A5、A6、C7、空气柱、空气柱、频率、空气8、 (1)能量(2)音色、9、 (1)无法正常交流(2)无法听音色(3)感受不到声音带来的信息1、 (1)声音可以在固体中传播⑵更好的接收声音(3)听诊器第5页1、 34、=、体温计有缩口，水银不会回流2、 A:没有水平放置B :正C:接触了容器底D:没有接触液体3、甲、35 354、(1)1 (2)是、有固定的凝固点5、放、低6、B7、B8、D9、C 1、C11、 d a c b e 12 、(1)温度保持不变、(2)温度继续上升、(3)图略探究性学习I、真空中不能传声 2、B 3、D 4、5 5×1 5、D 6、折射、虚、火车、地面7、 A 8、1268 9、吸、熔化、力、熔点1、惯性、力II、同意，水滴就像一个凸透镜，把阳光会聚，使树林燃烧，从而引起火灾。

八年级上册数学寒假生活指导答案八年级上册数学寒假生活指导答案随着期末钟声的敲响，寒假随之而来，下面是店铺整理的八年级上册数学寒假生活指导答案。

欢迎参考阅读！作业1一、必做作业1.C2.B3.A4.A5.B6.①，②，④7.图 (1)折叠后是长方体，底面是正方形，侧面是长方形，有12条棱，4条侧棱，8个顶点.图(2)折叠后是六棱柱，底面是六边形，侧面是长方形，有18条棱，6条侧棱，12个顶点.8. 4 9.后面、上面、左面 10.(1)10 (2)略 11. 33二、选做作业12.①左视图有以下5种情况：②n=8，9，10，11.作业2 有理数及其运算参考答案一.必做作业1. C2. B.3. A.4.B5. B.6.①③7. 180m8. ?310. 计算：(1)-56 (2)7 (3)-45 (4)11 9. 310067 311.1008 12.(1)6千米(2)14升 13.7次14.(1)28元(2)星期二，29元(3)亏了1115.5元二.选做作业15.A. 16. A.作业3 整式及其加减参考答案：一.必做作业1.A2.B3.A4.D5.D6.B7.A8.C9.C 10.A 11. m=1,n=212.10b+a 13.14.10 x?5?4D2 15.0.15a 16.0.85m 17.2s222 18.(1)4x?6y(2)3ab?ab(3)5x?3x?3 t?119.-2ab+10(a+b) 求值的结果为50二.选做作业20. 化简结果为A-B,用含x的代数式表示为 x2-x+521.(1)2.4x+0.6 (2) 6千米作业4 平面图形及其位置关系答案一.必做作业1.两点确定一条直线。

2.两点之间线段最短。

3.1，2，，180，45，2700，60，1，4.5cm,5.1或4或6，n(n?1) 26.4，7.18，22，8.正西，9.AB>或=3 cm 10.C,11.C, 12.B,13.D.14.D.15.C.16. 20°,70°. 17.14. 18.84°.二.选做作业作业5 一元一次方程参考答案：一.必做作业1.D2.B3.C4.D5.A6. B7.B8.B9. x?5; x?32; x=4 5210.将x??2代入方程，得到a??4，再代入所求式得到a?a?4 ?1?(?4)2??1?16?2?1?19;2211.解：设女生有x人，则男生有(2x-15)人，根据题意可得，x?(2x?15)?48 解得：x=21，则2x-15=27，答：男生有27人，女生有21人。