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Unit4Astronomy:thescienceofthestarslanguagepoints1.(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,oughtto,haveto命令，义务C.can可能性D.if…betodo,表假设1)Nooneistoleavethisbuildingwithoutpermission.2)Suchbooksaretobefoundinthelibrary.3)Theirdaughteristogetmarriedsoon.4)IfIweretodoit,Iwoulddoitwell.1.Thisfilm_____thisSunday.A.isgoingtoshowB.isshowingC.istobeshowedD.willhavebeenshow2.Thestudentsweretoldthatthey____attheschoolgateat2：00thefollowingafternoon.A.metB.willmeetC.weretomeetD.weremet3.Insuchdryweather，theflowerswillhavetobewateredifthey_________.A.havesurvivedB.aretosurviveC.wouldsurviveD.willsurvive•Violentadj.•1).激烈的;猛烈的;强烈的•Theboatsankina______stormatsea.•Aviolentexplosion•Aviolentchange/headache•2).暴力的,由暴力引起的;•Shedieda_____death.她惨遭横祸。•Violentcrime/moviesviolentviolent3.(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explosiveexplosion4.(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______________atonetime__________forthetimebeing_________atthesametime___________takeone’stime___________准时有时;偶尔立刻；马上从前消磨时间曾经，一度暂时同时不着急,慢慢来拓展：(2)It’stimetodosth./It’stimethatsb.did/shoulddosth.It/Thisis(was)thefirst/second...timesb.have/has（had）done...each/everytime+从句It’sthefirsttimethatIhaverealizedmyweakness.到了某人做某事的时间是某人第……次……(完成时)每次……时5.(L.13)…whichweretomaketheearth’satmosphere.①大气层②气氛例句：会谈在友好的气氛下进行。Thetalkwasconducted______________•__________.•Usemusicandlighttocreatearomantic________.inafriendlyatmosphereatmosphere•fundamental十分重大的；根本的•fundamentaldifference根本区别•fundamentalchange重大转变•befundamentalto…是…的基础,•Hardwork_______________success.•勤奋工作是成功的基础。isfundamentalto6.(L.22)Thecontinuedpresenceofwaterallowedtheearthtodissolveharmfulgasesandacidsintooceansandseas.•harmfuladj.___________e.g.Smokingisharmfultoyourhealth.=Smoking_______________yourhealth.【拓展】①harmless__________联想：useless，helpless,homeless,…②Thereisnoharminreadingmorebooks.有害的无害的doesharmtoThereisnoharmindoingsth.:做某事没有坏处7.(L.25)Thisproducedachainreactionwhichmadeitpossibleforlifetodevelop.译:这产生了________，使生命的发展________.注:makeit+adj.+(forsb.)todosth.:使得(某人)做某事…(形式宾语)(真正的宾语)连锁反应成为可能BBGLearningMachineeasylearnEnglish•BBGlearningmachinemakesiteasyforstudentstolearnEnglish.students①TheforeignMinistersaid,“_____ourhopethatthetwosideswillworktowardspeace.”(2004BJ)A.ThisisB.ThereisC.ThatisD.Itis②Ilike____intheautumnwhentheweatherisclearandbright.(NMET2004)A.thisB.thatC.itD.one③Whydon’tyoubring___tohisattentionthatyouaretoobusytodoit?A.thisB.thatC.whatD.it④Wasitattheschool____wasnamedafterahero_____hespenthischildhood?A.which;thatB.where;whereC.that;whereD.which;whereDDC8.(L.30)Theymultipliedandfilledtheoceansandseaswithoxygen.multiply:v.①乘:2multipliedby4is8.②增加(=increase)③Mosquitoesmultiplyrapidlyinsummer.highschoolhomework繁殖•Ourhomeworkhavemultipliedsincewecametohighschool.multiply•注意:lay(laid;laid;laying)放置;产卵•lie(lay;lain;lying)躺;位于•lie(lied;lied;lying)说谎•Thenaughtyboy_____methatthehenthat_____therejustnowhad_____twoeggsthedaybefore.liedtolaidlay9.(L.39)Theyproducedyounggenerallybylayingeggs.它们一般是通过孵蛋而繁衍后代的.复习：“lie/lie/lay”的各种形式10.(L.40)Theylaideggstooandexistedontheearthformorethan140millionyears.•exist:v.①Couldlifeexistinthedesert?_________②ThereexistsabeautifulgardeninourSchool.=There______abeautifulgardeninourSchool.【拓展】n.existence:存在搭配:comeintoexistence=comeintobeing开始存在、成立译:Whendidthisworldcomeintoexistence?Attention：exist不用进行时态！存在isThereexist=Therebe(某处存在…/有…)different--difference(n.)课本P.28confident–confidence(n.)联想•existin•existingadj.•existencen.•beinexistence•comeintoexistence=comeintobeing例句：There______agoodwaytosolvethe_________problemingeography.existsexisting目前的；现存的存在；生存存在开始存在；成立存在于……之中11.(L.41)Whytheysuddenlydisappearedstillremainsamystery.remain用法小结：1)remain作系动词(看作“be”理解),意为“仍然；依旧”①Peter成为了一个经理，而Jack仍然是个工人。Peterbecameamanager,butJackremained___________.②尽管外面很冷，房间里还是那么暖和。Thoughitiscoldoutside,theroomremained______.③他不得不继续住在医院，直到身体好转。Hehadtoremain_____________untilhewasbetter.④虽然我们三番五次地请她坐下，她还是站着。Thoughwerepeatedlyaskedhertositdown,sheremained___________.⑤他们仍然被锁在房间里。Theyremained__________intheroom.aworkerremain+n.作