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新课标人教版Unit4Astronomy thescienceofthestars—一天文学恒星科学核心词汇Doyouthinkoureducation(制度)needsimprovingThe(气候)ofsouthernFloridaattractsthousandsoftouristseachwinter.Withoutpracticetherewouldbeno(理论).Thehenwasoldanditstopped.(下蛋)eggs.Theidea(存在)onlyinthemindsofusyoungpeople.ProfessorLihassolvedthe(难题)andeveryoneischeering.Mars(万有引力)isonlyabout38%ofEarths.Raisingyourchildtotellthedifferencebetweenrightandwrongisoneoftheftasksofparenthood.用harm的适当形式填空
(1)Airpollutionwillgetworseandthiswillbetopeopleforexampleitcancausecancer.
(2)Rubbishcanbechangedintothings.⑶Dontyoureyesbyreadinginthedimlight.Lastnightwehadadiscussionwhichbecamemoreandmore.Finallywereachedanagreementthatwewillneverusewhateverhappens(violent)
1.system
2.climate
3.theory
4.laying
5.exists
6.puzzle
7.gravity
8.fundamental
9.
(1)harmful
(2)harmless
(3)harm
10.violent;violence高频短语准时,最终下蛋产生;分娩轮到某人;接着阻挡;制止拦住(光线)感到快乐;感到兴奋既然突发;爆发亲密凝视;留神;提防intime
2.layeggs
3.givebirthto
4.inonehout重点句式.wasuncertainuntilbetween
4.5and
3.8billionyearsagowhenthedustsettledintoasolidglobe.随后它会变成什么没有人知道,直到38〜45亿年前,这团尘埃才渐渐地形成一个固体的球状物Theearthbecameitwasnotclearwhethertheshapewouldlastornot.地球变得如此猛烈,以至于它的外形能否长久还不清晰Thisproducedachainreactionwhich.这就产生了一系列的反响,使得生命有可能开展了WewatchedontheoutsideofthespaceshipastheearthJsgravityincreased.我们惊异地看着,随着地球引力的增加,宇宙飞船的外层燃烧起火ButwhenItriedtostepforwardIfoundIwascarriedontheearthandfellover.而当我试着向前迈步时,我觉察我被送出很远,步伐的跨度竟是在地球上的两倍,因而我摔倒了“♦♦♦walkingdoesneedabitofpracticegravityhaschanged.,z“……既然重力转变了,走路也的确需要练一练了〃Whatitwastobee
2.soviolentthat
3.madeitpossibleforlifetodevelop
4.amazedasfirebrokeout
5.twiceasfaras
6.nowthat学问详解
1.existvi.存在,生存(回归课本P26)Theylaideggstooandexistedontheearthformorethan140millionyears.它们也生蛋,在地球上生存了一亿四千多万年[归纳拓展]
①(牛津P697)Theycantexistonthemoneyhesearning.他们靠他挣的那点钱无法维持生活
②Thereexistsagoodwaytosolvetheexistingproblemingeography.有——个解决现存地理问题的好方法
③Nooneknowshowthisworldcameintoexistence.没有人知道这个世界是怎样形成的[例句探源][即境活用]
1.完成句子⑴巴基斯坦在战后就以一个的国家存在了Pakistancountryafterthewar.答案cameintoexistenceasanindependent⑵就我所知,他们收入微薄,几乎无法维持生活AsfarasIknowtheyarepaidhardlyenough.答案toexiston
2.puzzlen.谜;难题vt.vi.(使)迷惑;(使)犯难(回归课本P27)Howlifebeganonearthisoneofthebiggestpuzzlesthatscientistsfoundhardtosolve.地球生命如何起源是科学家们觉得很难解次的最大的难题之一[归纳拓展]
①(牛津P1616)Whatpuzzlesmeiswhyheleftthecountrywithouttellinganyone.令我不解的是,他为什么静静地离开了这个国家
②Thepolicearestillpuzzlingabout/overhowtheaccidentcouldhavehappened.警察仍旧正在苦思这起事故是怎么发生的[例句探源]©Scientistshavebeentryingtosolvethispuzzleforyears.多年来科学家们始终试图解开这一谜团
④(牛津P1616)HelookedpuzzledsoIrepeatedthequestion.他好似没听懂,于是我又把问题重复了一遍Shelostheartsinceshefailedintheexam.Shefeltaboutherfuture.A.puzzleB.puzzlingC.puzzledD.puzzles解析选C后句句意她对她的将来感到迷惑puzzledadj.(人)迷惑的,迷惘的;puzzlingadj.(物)令人迷惑的[即境活用]pulln.vt.拉(力);拖;牵引力(回归课本P30)Astherocketroseintotheairwewerepushedbackintoourseatsbecauseweweretryingtoescapethepulloftheearthsgravity.随着的升空,由于我们在努力摆脱地球的引力,我们被向后推在座位上[归纳拓展]
①Hepulledthedooropenandrushedout.他拉开门,冲了出去
②(牛津P1604)Thepolicecarsignalledtoustopullin.警车发出信号,要我们驶向路边停靠
(3)Wewavedasthetrainpulledoutofthestation.火车驶出车站时我们挥手辞别
④ThedoctortoldmethatIwouldpullthrough.医生告知我,我会康复的[例句探源]【高效记忆】
3.用pulldown;pullin;pullout;pullthrough填空:
(1)Housesweretomakewayforanewhighway.答案pulleddown
(2)Cheerup!Takemoreexerciseeverydayandyouwill.答案:pullthrough[即境活用]Johnbehindmeandparked.答案pulledin
(4)Becarefulwhenyouofthedriveway.答案pulloutintime准时;最终,总有一天(回归课本P25)Theywereintimetoproducecarbonnitrogenwatervapourandothergaseswhichweretomaketheearthsatmosphere.最终产生了碳、氮气、水蒸气和其他多种气体,从而形成了地球的大气层[归纳拓展]
①Thekidswillbeleavinghomeinnotime.孩子们很快就要离开家了
②(朗文P2162)Willyoubebackintimefordinner你会准时赶回来吃晚饭吗?
③(朗文P2162)Ishouldbebackintimetowatchtheshow.我应当准时赶回来看那场演出
④Thepanyfiredhimfornotingtoworkontime.那家公司因他不按时上班而解雇了他[例句探源]WillyoubehometoseethechildrenbeforetheygotobedA.ontimeB.intimeC.atatimeD.atonetime解析选B句意你会在孩子们上床睡觉之前回来看他们吗?intime意为“准时〃,符合题意ontime按时;atatime每次;atonetime曾经[即境活用]IlostheartinEnglishlearningbutmyteacheroftensaidtome“Keeponstudyinghardandyou11succeedAtatime;intimeAtatime;ontimeAtonetime;intimeAtonetime;ontime解析选C考查由time构成的固定搭配的用法句意曾经,我对英语学习失去信念,但老师常对我说“坚持不懈的努力,最终会铸就你的胜利〃atatime“每次〃;atonetime”曾经,一度〃相当于once;intime“准时,迟早〃,当“迟早”讲时相当于soonerorlater;ontime”按时准时由句意知应选C(2010年江西景德镇模拟)一Doesheoftenaskyouforhelp一Ohnoonly.A.allthetimeB.atonetimeC.atatimeD.attimes解析选Dallthetime始终;atonetime曾经;atatime一次;attimes有时一IamafraidIcantreturnthebooktoyoubeforeFriday.A.DontbeafraidB.BecarefulC.NotatallD.Takeyourtime解析选D句意一一唯恐我不能在星期五之前把这本书还给你一一渐渐来,别焦急Dontbeafraid别可怕;Becareful当心,留神;Notatall一点也不;Takeyourtime即touseasmuchtimeasyouneedwithouthurrying“不用急,渐渐来依据题意只有D项符合句意inonesturn轮到某人;接着(回归课本P26)Thustheyhaveintheirturnbeethemostimportantanimalsontheplanet.于是,他们接着成为了这个行星上最重要的动物[归纳拓展]
①WhenitisinmyturnIamtooexcitedtospeak.当轮到我时,我冲动得都说不出话来了
②Thecustomerpraisedthemanagerwhointurnpraisedhisstaff.顾客表扬了经理,经理转而表扬了员工
③Alltheoriesarederivedfrompracticeandinturnservepractice.全部的理论都来源于实践,并反过来为实践效劳
④Nowitisyourturntolookafterthechildren.现在轮到你照看孩子了[例句探源]Peopletrytoavoidpublictransportationdelaysbyusingtheirowncarsandthiscreatesfurtherproblems.A.inshortB.incaseC.indoubtD.inturn解析选Dinturn在该题中的意思为“反之;反过来〃[即境活用]prevent...from...防止某事发生(回归课本P26)Theyareputtingtoomuchcarbondioxideintotheatmospherewhichpreventsheatfromescapingfromtheearthintospace.他们把过多的二氧化碳释放到大气层中,这使得地球上的热不能释放到太空中去[归纳拓展]
①(朗文P16⑵Guardsstoodatthedoorstopreventanyonefromleaving.保卫站在门口阻挡任何人离开
②Oncehehasmadeuphismindnoonecanpreventhimfromcarryingouttheplan.一旦他下定决心,谁也阻挡不了他执行这个方案
③Hisadvicekeptmefrommakingaseriousmistake.他的忠告使我免于犯一个严峻的错误[例句探源]Allpossiblemeans.Howevernothingcanhimdyingoflungcancer.hastried;stophavetried;keephasbeentried;preventhavebeentried;stop解析选D前一句的主语是Allpossiblemeansmeans用all修饰,看作是复数,后面的谓语动词要用复数形式并且用被动语态;后一句是“阻挡某人做某事〃,him后省略了from应选Do[即境活用]cheerup(使)快乐;使兴奋;感到兴奋(回归课本P31)Icheeredupimmediatelyandfloatedweightlesslyaroundinourspaceshipcabinwatchingtheearthbeesmallerandthemoonlarger.我立即感到很快乐,由于失重我在太空舱里飘来飘去,我望着(身后的)地球越来越小,而(前方的)月球越来越大[归纳拓展]
①(牛津P327)GiveMaryacall;sheneedscheeringup.给玛丽打个,她需要人抚慰
②Thegoodnewscheered(up)everybodywhoheardit.喜讯使每一个听到的人感到快乐
③ThecrowdcheeredwildlyatthesightofLiuXiang.看到刘翔后,人群热闹欢呼起来
④Theydothisinordertoencouragecrowdstocheertheirsportsteams.她们这样做是为了鼓舞人们为她们的球队加油[例句探源]一ImafraidIcantpassthistime.一!Imsureyou11makeit.A.GoaheadB.GoodluckC.NoproblemD.Cheerup解析选D句意一一我正在考虑明天考试的问题,唯恐这次我会不及格一一振作起来!我信任你会通过的依据上下文只有Cheerup”振作起来〃符合题意,而Goahead连续;Goodluck好运气;Noproblem没问题,均不符合题意句型梳理1【教材原句】“・・・walkingdoesneedabitofpracticenow_thatgravityhaschanged.,zP31“……既然重力转变了,走路也的确需要练一练了〃【句法分析】nowthat由于;既然,引导缘由状语从句,有时that可以省略
①Nowthatyouhavefinishedyourworkyoudbetterhavearest.既然你的工作已经做完了,最好休息一下吧
②Nowthattheweatherisfineletsgoforaride.既然天气那么好,我们开车去兜风吧
③Nowyouhavegrownupyoucanmakeupyourmindbyyourself.你已长大了,可以自己做打算了[易混辨析]becausesinceasfornowthat1because语气最强,一般指事情发生的直接缘由,答复提问时,一般放在主句之后since语气较弱,指双方都明确的缘由或众所周知的缘由,侧重主句,从句表示明显的或的理由3as语气比because弱,所引导的从句表示的是显而易见的缘由和理由,从句一般放在主句前4for是并列连词,表示推断的缘由,或对前一分句补充说明理由for表示这一用法时需放在两句之间
①Hewasabsentfromthemeetingbecausehewasillyesterday.
②SinceyoucantanswerthequestionI11asksomeoneelse.3Astherewasnoanswerwewrotehimagain.
④Itmusthaverainedlastnightforthegroundiswet.[即境活用]youvegotachanceyoumightaswellmakefulluseofit.A.NowthatB.AfterC.AlthoughD.Assoonas解析选A句意既然你得到了一次时机,不妨充分利用它一DidyoureturnFredscall—IdidntneedtoV11seehimtomorrow.A.thoughB.unlessC.whenD.because解析选D依据语意看,后面的句子表示“没有必要的缘由〃,所以用because2【教材原句】ButwhenItriedtostepforwardIfoundIwascarriedtwiceasfarasontheearthandfellover.P31而当我试着向前迈步的时候,我觉察我被送出去很远,步伐的跨度竟是在地球上的两倍,因而我摔倒了【句法分析】倍数的表达方式“A+倍数+形容词或副词的比拟级+than+B〃,表示“A比B大长、高、宽等多少倍〃“A+倍数+as+形容词或副词的原级+as+B〃,表示“A是B的多少倍〃“A+倍数+thesize/height/length/widthetc.+of+B表示A是B的多少倍”4A+倍数+what从句
①Therearefivetimesmorebooksinourlibrarythaninyours.我们图书馆里的书比你们图书馆里的书多五倍
②Ourcityhasexperiencedtwiceasmuchrainthisyearasitdidlastyear.我们的城市今年的降雨量是去年的两倍
③Myhouseistwicethesizeofmyparents.我的房子是我父母的两倍大
④Theproductionnowisthreetimeswhatitwastenyearsago.现在的产量是10年前的3倍[即境活用]2009年高考辽宁卷PetersjacketlookedjustthesameasJacksbutitcosthis.A.asmuchtwiceasB.twiceasmuchasC.muchastwiceasD.astwicemuchas解析选B句意彼得的夹克衫看起来与杰克的一样,但是却是他的价钱的两倍考查倍数句型“倍数+as+原级+as.・.〃Tenyearsagothepopulationofourvillagewasthatoftheirs.A.astwicelargeasB.twiceaslargeasC.twiceasmuchasD.astwicemuchas解析选Bo句意十年前我们村的人口是他们村的两倍population往往与large或small搭配,且形容词比拟级的结构之一为倍数+as+形容词原级+as.・.。