上课用的必修三Unit4__(language_points_)

Unit4短语梳理与句子考点分析和翻译•1.根据广泛被接受的理论•2.宇宙以“大爆炸”开始•3.四面八方•4.不确定它会变成什么•5.沉降成为固体球•6.它的形状是否会持续仍不清楚•7.它们及时产生了碳。•8.更重要的是随着地球冷却，水开始在它表面出现。1.accordingtoawidelyacceptedtheory2.Theuniversebeganwitha“BigBang”.3.inalldirections4.Whatitwastobecomewasuncertain.5.settledownintoasolidglobe6.Itisnotclearwhethertheshapewouldlastornot.7.Theywereintimetoproducecarbon.8.Whatisevenmoreimportantisthatastheearthcooldown,waterbegantoappearonitssurface.•1.使大海充满氧气•2.各种各样的鱼•3.通过下蛋繁殖后代•4.存在在地球上•5.使哺乳动物的增长成为可能•6.生小孩•7.轮到他们•8.防止热量从地球散发到太空1.filltheoceansandseaswithoxygen2.allsortsoffish3.produceyoungbylayingeggs4.existontheearth5.Makeitpossibletheriseofmammals6.givebirthtoyoungbabies7.intheirturn8.preventheatfromescapingfromtheearthintospace•【课文考点点拨】•1.Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidglobe.•Whatisevenmoreimportantisthatastheearthcooleddown,waterbegantoappearonitssurface.•①_____wasmostimportanttoher,shetoldme,washerfamily.•A.ItB.ThisC.WhatD.As•②______isknowntousallisthatthe2008OlympicGameswilltakeplaceinBeijing.•A.ItB.WhatC.AsD.Which•③.___________________（使大家吃惊的是）isthathedidn’tcometothemeeting.•④.___________（他所做的）addedtoourdifficulty.WhatsurprisedmeWhathehaddone（分析句子结构并翻译成中文）•2地球猛烈的爆炸喷出了烈火和岩石，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。•3.水对于生命的发展会起关键作用，这一点在当时并不明显。•4.很多科学家相信，由于地球上长期有水存在，使地球得以把有害气体和酸性物质溶解在海洋里•Theearthexplodedloudly___fireandrock.Theywereintime_____(produce)carbon,nitrogen,watervapourandothergases,_____weretomaketheearth’satmosphere.___wasnotimmediatelyobviousthatwaterwastobefundamental___thedevelopmentoflife.____manyscientistsbelievesisthatthe____(continue)presenceofwaterallowedtheearthtodissolveharmfulgasesandacids___theoceansandseas.withtoproducewhichIttoWhatcontinuedinto课文句子中的考点以及短语单词学习第一二段1.However,accordingtoawidely_____(accept)theory,theuniversebegan_____a“BigBang”_____threwmatterin______directions2Theearthbecamesoviolentthatitwasnotclear_____theshapewouldlastornot.3Theywereintimetoproducecarbon,nitrogen,watervapourand_____gases,____weretomaketheearth’satmosphereacceptedthatallwithwhetherotherwhich1.However,accordingtoawidelyacceptedtheory,theuniversebeganwitha“BigBang”thatthrewmatterinalldirections.theoryn.理论；原理theoreticaladj.理论的；假设的theoreticallyadv.理论地；理论上【相关短语】intheory理论上=theoreticallyinpractice在实践中；实际上=practicallybeginwith=startwith：“以……开始”.1)tobeginwith=tostartwith以…为起点;开始(做)这两个词组都可以单独使用,表示“首先;第一;起初;最初”。e.g.首先,我一点也不喜欢他。Tobegin/startwith,Icouldn’tlikehimatall.1.(L.2)…a“BigBang”thatthrewmatterinalldirections.=ineverydirection/directions?朝四面八方译：Theenemiesranawayinalldirections.敌人四处逃窜。拓展：①I’mterriblewithdirections:__________②asenseofdirection:_______③在某人的指导下:______one’sdirection方向感under我是路痴2.(L.6)Whatitwastobecomewasuncertain…betodobetodosth.=A.begoingto计划B.must,should命令，义务C.can可能性D.if…betodo,表假设1)Nooneistoleavethisbuildingwithoutpermission.2)Suchbooksaretobefoundinthelibrary.3)Theirdaughteristogetmarriedsoon.4)IfIweretodoit,Iwoulddoitwell.be+doing:_________be+done:__________联想正在…被动1.Thisfilm_____thisSunday.A.isgoingtoshowB.isshowingC.istobeshowedD.willhavebeenshow2.Thestudentsweretoldthatthey____attheschoolgateat2：00thefollowingafternoon.A.metB.willmeetC.weretomeetD.weremet3.Insuchdryweather，theflowerswillhavetobewateredifthey_________.A.havesurvivedB.aretosurviveC.wouldsurviveD.willsurvive3.Theearthbecamesoviolentthatitwasnotclearwhethertheshapewouldlastornot.1)violent猛烈的，激烈的violentlyadv.猛然地，激烈地violencen.暴力；激烈；aviolentstorm一场猛烈的暴风雨aviolentmovie一部暴力电影一部充满色情与暴力的电影afilm(thatis)fullofsexandviolence4.(L.10)Itexplodedloudlywithfireandrock.【探究】①ThebombexplodedinIraqlastnight.②Thechildrenexplodedinto/withlaughter.③Thecity'spopulationhasexplodedinthelastfewyears.【拓展】adj.explosive爆炸性的n.explosion爆炸•Unemploymentbecamean_________issue(一个爆炸性问题).•thetheoryofpopulation__________:人口大爆炸理论v.爆炸，炸开v.（指感情）迸发(=burstinto…)v.（指人口）突然或迅速增加explosiveexplosion5.(L.10)Theywereintimetoproducecarbon,nitrogen,watervapourandothergases,whichweretomaketheearth’satmosphere.intime:①最终/迟早(=finally/soonerorlater)译:我迟早会回来的.I’llcomebackintime.②及时；不迟(=notlate)A.她会及时回来准备晚餐.Shewillbeback______________preparedinner.B.你认为我们能及时赶上火车吗?Doyouthinkwecangetthere__________thetrain?•翻译:我来得及去上学。(intwoways)inbeintimetodosth.beintimeforsth.intimetotimefor拓展：与time相关的短语:ontime__________attimes__________innotime___________onceuponatime__________killtime______________准时有时;偶尔立刻；马上从前消磨时间5.(L.13)…whichweretomaketheearth’satmosphere.①大气层②会谈在友好的气氛下进行。Thetalkwasconducted________________________.inafriendlyatmosphere第三四段1WaterhadalsoappearedonotherplanetslikeMarsbut,____(like)theearth,ithaddisappeared____(late)2Thecontinued_____(present)ofwaterallowedtheearthtodissolveharmfulgasesandacidsintooceansandseas.3Thisproducedachainreaction_____madeitpossibleforlifetodevelop.4Theyproducedyoung_____(general)bylayingeggs.unlikelater.presencewhichgenerally1.WaterhadalsoappearedonotherplanetslikeMarsbut,unliketheearth,ithaddisappearedlater.•unlikeprep.和…不同，不像•dislikevt.不喜欢，厌恶•n.嫌恶，反感，不喜爱•dislikesb./sth.不喜欢某人/某物•dislikedoingsth.不喜欢/厌恶做某事•likesanddislik