#初一# 导语：一年一度的、暑假结束了，小伙伴们暑假作业写完了吗？以下是金笔头网整理的第二学期初一暑假生活指导答案，仅供大家参考。 数学天地
一．1.×2.×3.√
二．1.D2.C3.B4.D5.B
三．1.1202.B3.75°4.25
四.
1.解：∵∠2＋∠3=180°
∴a∥b（同旁内角互补，两直线平行）
∵∠3=∠4
∴c∥d（同位角相等，两直线平行）
∵a∥b
∴∠3=∠1＝60°（两直线平行，同位角相等）
∵∠3＋∠5=180°
∠3=60°
∴∠5＝120°
3.利用平行线的内错角相等：两个镜子平行，所以90-∠2=90-∠3所以∠2=∠3，则∠1+∠2=∠3+∠4，即进入光线和离开光线的内错角相等，所以平行
一.
1.6a^3
2.70°
3.4025x^2
4.钝角
二.1.A
2.C
3.(1)年份入学儿童人数（2）2001
4.A
5.D
6.D
7..B
8.D
9.C
三.
1.x^2
2.5
3.0.9a
4.水温
5.y=40-5x(y-40)/-5
6.16(Q-40)/-6
7.10l2206s/t
8.因为两个的值不一样，所以有一个数为负数
当x为负数时，x+y=4|x|+|y|=-x+y=7
解得x=-1.5y=5.5x-y=-7
当y为负数时，x+y=4|x|+|y|=x-y=7
x=5.5y=-1.5x-y=7
四.
2.9
3.20
6.C
7.C
P34
1.A
2.C
3.150°
4.解：∠AMG=∠3．
理由：∵∠1=∠2，
∴AB∥CD（内错角相等，两直线平行）．
∵∠3=∠4，
∴CD∥EF（内错角相等，两直线平行）．
∴AB∥EF（平行于同一条直线的两直线平行）．
∴∠AMG=∠5（两直线平行，同位角相等）．
又∠5=∠3，
∴∠AMG=∠3．
5.(1)设随身听为x元，书包为y元,
x+y=452x=4y-8将2代入1得4y-8+y=452，解之得y=92，x=360
（2）若在A买的话要花费452*0.8=361.6（元）
若在B买要花费452-30=422（元）
所以他在A超市买更便宜.
1.3
2.C
3.B
4.小红的意思：同位角相等两直线平行
小华的理由：内错角相等两直线平行
另一组平行线：AB//CE理由：∠ABC=∠ECD→AB//CE（同位角相等两直线平行）
数学难题
有道理的，三多，都是99条，一少指3条（又指三个秀才），并且都是单数。
英语园地
P41
1.常见标志
A停车位安全出口
肯德基小心路滑
BNoparkingNosmoking
Nophotosdustbin
CNofood
Nomusic
2.广告英语
1.可口可乐
2.苹果（手机、电脑等）
3.Justdoit.（只管去做。）——耐克运动鞋
4.Focusonlife.（瞄准生活。）——奥林巴斯相机
5.飘柔
广告英语的语言特点简单，明了。
3.动物与英语
1.Loveme,lovemydog.爱屋及乌
2.Iwantedmother’spresenttobesecret,butmysisterletthecatoutofthebag.给妈妈的礼物我本想保密，但妹妹却露出了马脚
3.Hewaslikeacatinhotbricksbeforehisdrivingtest.面临驾驶考试，他急得像热锅上的蚂蚁
4.一石两鸟
5.非常宁静
7.披着羊皮的狼；面善心恶
8.丑小鸭变成了白天鹅
p44
（二）
1.Therewerenotsomanyroadsthereweremanyoldhousesanditwasdirtyandpoor.
Therewasnosupermarketbeforeandtherewerenotsomuchentertainmentequipmentinthesquare.
2.Therearemanytreesandflowersinmycountryside.
Thereareestablishedmanysupermarketsinmyhometown.
3.Therewillbemanytallbuildingsinmyhometown.
4.Ilovemyhometown
Myhometownisabeautifulplace.Butintheolddaysitwasapoorandbackwardlittletown.Manypeoplehadnowork.Theylivedahardlife.In1949myhometownwasliberated.Sincethengreatchangeshavetakenplacethere.Thestreetshavebeenwidened.Thelifeofthepeopleisgreatlyimproved.Ilovemyhometown.AllthemoreIloveitspeople.Theyareworkinghardsoastomakeitstillricherandmorebeautiful.
P46
（四）
1.Family
2.整首诗用的主要时态是：现在进行时,其结构是：be+V+ing.
3.workingbuyingvisiting
规律：直接加ing
takinghavingdriving
规律：去e加ing
stoppingshoppinggetting
规律：双写辅音字母，再加ing
Lying
规律：变ie为y，再加ing
4.否定句Theboyisnotplayingbasketball.
一般疑问句Istheboyplayingbasketball?
肯定回答Yes，heis.
否定回答No，heisn’t.
对Theboy提问Whoisplayingbasketball？
Whatistheboydoing？
（2）Sheisopeningthewindow.
Whoiscleaningthewindow？
Sheisn’tcloseingthedoornow.
I’mdoingmyhomework.
Theyaresingingunderthetreenow.
WhataretheYoungPioneersdoing？
isswimming
Wherearethevisitorsswimming?
5.No.5ishaving/takingashower.
6.夏天的飞鸟，飞到我的窗前唱歌，又飞去了。
秋天的黄叶，它们没有什么可唱，只叹息一声，飞落在那里。
Straybirdsofsummercometomywindowtosingandflyaway.
Andyellowleavesofautumn,whichhavenosongs,flutterandfall
therewithasign.
7.
got
is
doing
iswriting
make
Is
doing
islying
Tell
take
iswatching
istaking
Keep
don'tforget
(五)
Ihaveahappysummervacation.Istayathome.Athome,Idomyhomework.IwatchTV,too.IloveEnglishToday.BecauseIlikeEnglishverymuch.Ialsolike“Tellitlikeitis”.Iwatchthemeveryday.SometimesIplaythecomputer.IcanwatchMVandlearnEnglishonthecomputer.Ioftencleanmyroom.
2.Isit(very)warmtoday
Wouldyouliketogowithus
I'dliketoIcan'tgowithyou
itdoesn'tmatter
When
Allright/Iagree(withyou)
3.老师所说的bank：岸边,小女孩所说的bank：银行。
经典欣赏
1、Heissleeping.
2、Hewantstogotoschool.
3、BecausehewantstoknowwhetherNemoisclearinhismind.
4、休息
阅读欣赏
1.尼蒙的语言是所有Nemo后面的句子，
特点是：简短，有力，表现了他想上学的急切的心情。
2马琳的语言表现了他胆小，但爱孩子的性格特点。
精彩故事
1.ALambandAWolf.
2.She'sveryclever.
阅读思考
①Whoisthestoryabout?
Alambandawolf.
②Whendoesthestorytakeplace?
Thestorytookplaceoneday.
③Wheredoesthestorytakeplace?
Thestorytookplaceinthefield.
④Whydoesthelamvaskthewolftoringthebell?
Thelambwanttheringwillcallthesheepherderforhelp.
⑤Howdoesthestorygo?
Itgoesacordingtotime.
⑥What'stheresultofthestory?
Thebarkingdogsfrightenedthewolfawayandsavedthelamb.
社会传真
阅读技巧
2.blockingtrafficsbanswheelchairaccidents
新闻快递
A（3）B（1）C（4）D（2）
阅读思考
1.短小易懂、形象生动(作用：增强新闻的简洁性和可读性,调解美化版面节约篇幅)。
2.Cambodia'sDuchisfoundguilty
轻松写作
A
①Theyareworkinghard.
Heisstudyinghard.
Thetrainarriveslate.
Theplanefliesquickly.
Theboytriedagainandagain.
Hetriedagainandagain.
②Wewonthematch.
Shepassedtheexam.
Theworkersfinishedtheworkaheadoftime.
Thestudentscompletedtheexamaheadoftime.
Iforgottomailtheletteryesterday.
Sheforgottobuythebooklastweek.
Hestoppedcryingsuddenly.
Theystoppedfightingsuddenly.
③Myfathergavemeanewbicycle.
Mymotherboughtmeanewdress.
I'llbuyyouacarlikethat.
Mymotherwillgivemeapenlikethat.
④Heisauniversitystudent.
Sheisacollegestudent.
Thelightisstillon.
Theshopisstillopen.
Thematchisexciting.
Thefilmismoving.
⑤Ihelpedtheboyfindhismother.
Hehelpedmefinishthework.
Theywantmetobecomeateacher.
Myparentswantmetobecameadoctor.
ImadeitaruletoreadEnglishinthemorning.
Imadeitaruletogetupearlyinthemorning.
B
Despitethefactthat…;notonly…,
（1）Byair做飞机
IusedtotravelbyairagreatdealwhenIwasaboy.MyparentsusedtoliveinSouthAmericaandIusedtoflytherefromEuropeintheholidays.AflightattendantwouldtakechargeofmeandIneverhadanunpleasantexperience.IamusedtotravellingbyairandonlyononeoccasionhaveIeverfeltfrightened.Aftertakingoff,wewereflyinglowoverthecityandslowlygainingheight,whentheplanesuddenlyturnedroundandflewbacktotheairport.Whilewewerewaitingtoland,aflightattendanttoldustokeepcalmandtogetofftheplanequietlyassoonasithadtoucheddown.Everybodyonboardwasworriedandwewerecurioustofindoutwhathadhappened.Laterwelearntthattherewasaveryimportantpersononboard.Thepolicehadbeentoldthatabombhadbeenplantedontheplane.Afterwehadlanded,theplanewassearchedthoroughly.Fortunately,nothingwasfoundandfivehourslaterwewereabletotakeoffagain.
（2）Iftheweatherisgood,maybeI'llgotoself-study,mayseetheEnglish,alsomayviewbar,orwatchZaShu,willalsolookatthenewspaper,butanyway,allwanttobelievethattheweatherisnotgood.
如果天气好，也许我会去自习，可能看英文，也可能看法条，或者看杂书，也会看看报纸，但是不管怎样，都要坚信天气不会好的。
C
MyLastSchoolTrip(1)
Ihadapleasantschooltriplastweekend.WewenttotheSeaMuseumbybus.Ittookanhourtogetthereandonceweweretherewetookpicturesinfrontofthegate.Thepictureswereverybeautiful.Thenwewentinsideandvisitedthemuseum.Wealsowenttothe4dtheaterandwatchedanexcitingmovie.
MyLastSchoolTrip(2)
WehavebeentoTaiwan.Iwasexcitedaboutitandplannedalot.Unfortunatly,therewasatyphooncometothere,Weshouldstayatthehotel.WatchingtheboringTV.Theplanningwehadplanned,hasbeencanceled.
Sowehadaterribleschooltrip.
MyLastSchoolTrip(3)
WehavebeentoGuangzhou.IwassopleasedthatIcan'tfallasleepthenightbeforemylasyschooltrip.However,Guangzhouwasrainy.Ifitkeepraining,wemuststayatthehotel.Butluckily,twohourslater,thesunwasshining.Icouldgoouttoplay!
IhadagreatfuninGuangzhou.
D
DearLiHua:
You'vementionedthatyoufeltbadabouttellinglies.Thatmeansyouunderstandyourparents,it'sreallyagoodthing.Sometimesparentsjustfigurethatinternetgameisterrible,theyjustdon'twanttheirchildspendallthetimeforgames,notstudy.Ithinkthemostimportantthingyoushoulddoismakeyourparentsknowsomeadvantagesaboutinternetgames,suchasitcanmakeyourelaxafterstudy,thingslikethat.Bytheway,youshouldalsoensurethatyoucanmakegooduseyourtime.
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