2020届高考英语一轮复习 Unit 4 Astronomy the science of the

课文经典回顾重点词汇讲练写作句型仿写词句基础过关词句基础过关写作词汇1.______inspace存在于太空2.______intoatruck撞上一辆卡车3._____onthesurfaceofthewater漂浮在水面上4._____outmytooth拔掉我的牙齿5._______offlowers/work一大堆的花/工作6.thelawofconservationof______质量守恒定律massexistcrashfloatpullmasses/lots7.inthecold_______在寒冷的气候条件下8.climboutofthe__________爬出宇宙飞船9.createacomfortable____________创造一种舒适的气氛10.morethanone_______dollars十亿多美元11.thesolar_______太阳系12.Herwords________megreatly.她的话让我很困惑。puzzledclimatespaceshipatmospherebillionsystem阅读词汇1.multiplyn.氧2.globen.碳3.biologyv.乘；增加4.oxygenn.酸5.dioxiden.二氧化物6.carbonn.球体；地球仪；地球7.acidn.生物学8.religionn.原子9.chainn.万有引力；重力10.atomn.链子；连锁；锁链11.gravityn.卫星；人造卫星12.satelliten.宗教；宗教信仰13.thusprep.不同；不像14.unlikeadv.因此；于是转换词汇1.Theyare_________(violent)opposedtotheidea.修饰谓语用副词。2._______________(fundamental),therearetwodifferentapproachestotheproblem.修饰整个句子用副词。violentlyFundamentally3.Heclaimstelevisionviolenceis_________(harm)tochildren.作定语用形容词。4.Hepattedme_______(gentle)ontheback.修饰动词用副词。5.Thesefindingshaveboth___________(theory)andpracticalapplications.作定语用形容词，与practical并列。harmfulgentlytheoretical6.Hedesignstobecomea__________(physic).由句意“他计划成为物理学家”可知，用physicist。7.Hewishedtobean____________(astronomy)whenhewasachild.由句意“当他是个孩子时，想成为一名天文学家”可知，用astronomer。physicistastronomer词组搭配1._________________既然2.______________轮到某人；接着3.______________pickpockets提防扒手4._____________ababyboy生了一个男孩5.__________thelight挡住光线blockoutnowthat(=since)inone’sturnwatchoutforgivebirthto6.I___________immediately.我立刻振奋起来。7.be_______tocatchthetrain及时赶上那趟火车8._______air_____beingpolluted防止空气污染9.Thehen______________.母鸡下了三个蛋。10.Afight__________justnow.刚才爆发了一场打斗。(注：beintimetocatchthetrain=beintimeforthetrain)brokeoutlaidthreeeggspreventfromcheeredupintime美句必背1.Itwasnot____________(immediate)obviousthatwaterwastobefundamental____thedevelopmentoflife.水会对生命的发展起关键作用，这一点在当时并不太明显。2.Thisproducedachainreaction，whichmade___possibleforlifetobegintodevelop.这引起连锁反应，使得生命开始发展成为可能。immediatelytoit3.Whenwegetcloser____themoon,weshallfeelitsgravity_______(pull)us,butitwillnotbeasstrongapull___theearth’s.当我们更接近月球时,就会感到月球的引力在拉我们。但是,月球的引力不像地球的引力那么大。topullingas4.Sowhetherlifewillcontinueontheearth___millionsofyearstocomewilldependon_______thisproblemcanbesolved.所以，在未来的数百万年中，生命能否在地球上延续取决于这个问题能否得到解决。5.As____resultofthis,manyscientistsbelievethattheearthmaybecometoohottolive_____.因此，许多科学家认为地球可能会变得太热而不适合生物生存。onforwhethera课文经典回顾语法填空Nooneknows1_______(exact)howtheearthbegan.However，accordingtoawidely2________(accept)theory，itbegan3______a“BigBang”.Thentheearthexplodedloudlyandproducedwatervaporandmanygases，4_________(make)theearth’satmosphere.Andthenastheearthcooleddown，waterappearedandstayedonthesurface.exactlyacceptedwithmakingItwasthepresenceofwaterthatallowedtheearthtodissolve(溶解)5________(harm)gasesandacidsintotheoceansandseas,6______madeitpossibleforlifetodevelop.Andtheappearanceofsmallplantsencouragedthedevelopmentofearlyshellfishandallsortsoffish.Next，greenplantsbegantogrowonland.Theywerefollowedbylandanimals.Later，reptilesappearedforthefirsttime,afterwhichdinosaursdeveloped.harmfulwhichHowever,theysuddenly7____________(appear).Therefore，mammalsroseon8____earth.Finally，humansappearedandspreadallovertheearth.However，theyareputtingtoomuchcarbondioxideintotheatmosphere，makingtheearthtoohot9________(live)on.Sowhetherlifewillcontinueontheearthwilldependonwhetherthisproblemcan10__________(solve).besolveddisappearedthetolive短文改错Accordingtoawideacceptedtheory,theuniversebeganwitha“BigBang”thatthrewmatterinalldirection.Forseveralbillionsyearsafterthe“BigBang”,earthwasstilljustacloudofdust.Whatitwastobecomewascertainuntilbetween4.5and3.8billionyearsbeforewhenthedustsettledintoasolidglobe.widelydirectionsbilliontheuncertainagoTheearthbecamesoviolentlythatitwasnotclearwhethertheshapewouldbelastornot.Itexplodedloudlywithfireandrock.Theywereontimetoproducecarbon,nitrogen,watervaporandothergases,thatweretomaketheearth’satmosphere.whichinviolent1.wide→widely用副词修饰过去分词accepted(被接受的)。2.direction→directions受all修饰，应用复数。3.billions→billion因billion,million,thousand,hundred等前面有数词或few,several时，不用复数。4.在earth前加the独一无二事物前要加the。5.certain→uncertain它会变成什么“不能确定”。6.before→ago指离现在多久以前，用ago。7.violently→violent在became后作表语，要用形容词。8.去掉last前的be因last(持续，维持)是不及物动词，有了动词后，若不是进行时态或被动语态，不用be。9.ontime→intime表示“及时做某事”是intimetodosth，而ontime是“按时”。10.that→which引导非限制性定语从句用which。重点词汇讲练搭配总之，理论必须同实践相结合。1.theoryn.学说；理论intheory在理论上反义inpractice在实践上运用Inbrief,theorymustbecombinedwithpractice.反义2.unlikeprep.不同；不像unlikeadj.不同的；不相似的她不像她妈妈；她很高，而她妈妈很矮。________________________；sheistallwhilehermotherisveryshort.运用likeprep.像adj.相似的Sheisunlikehermother派生反义beharmfulto对……有害doharmtosb=dosbharm对某人有害3.harmfuladj.有害的；伤害的_________adj.有益的_________n.&v.伤害；损害_________adj.无害的；无恶意的搭配harmlessbeneficialharm运用Asweallknow，smokingis_________(harm)toourhealth.That’stosay，itdoesharm____ourhealth.Therefore，weshouldn’tsmokebuttodosomething_________(harm)toourhealth.harmlessharmfulto搭配existin存在于……中existon=liveon靠……生活existas作为……而存在4.existvi.存在；生存；生活；继续存在运用⑴Thelittleboycannotexist____themoney