必修3 Unit 4 reading课件.ppt

LanguagepointsUnit4,新干中学,1.Itexplodedloudlywithfireandrock,whichwereintimetoproducethewatervapour,1).（使某物）炸开，爆炸,2).（指感情）迸发,3).（指人口）突然或迅速增加,Thefireworkexplodedinhishandandhewashurtseriously.,Thechildrenexplodedintolaughter.Theteacherexplodedwithanger.,Nowitisnoteasytofindjobswiththeexplodingworldpopulation.,explosionn.爆炸（声）,explosiveadj.爆炸性的，易爆炸的,explodewith/in/into.,2.Itexplodedloudlywithfireandrock,whichwereintimetoproducethewatervapour,.,intime(forsth/todosth):notlate及时；不迟Shewillbebackintimetopreparedinner.她来得及回来准备晚饭。,intime:soonerorlater;eventually迟早；最后；终于Illseehimintime.总有一天我会遇见他。,in/outoftime:in/notinthecorrecttime合/不合节拍,Theaudienceclappedintimetothemusic.,观众合着音乐的节拍拍手。,3.(sth)beto(do):(something)willdefinitelyhappen,oritmusthappen不可避免要发生或必须发生。e.g.Theysaidgoodbye,littleknowingthattheywerenevertomeetagain.Mr.Clarksaidtohisdaughter,“Youaretobehomeby10oclockatthelatest.”,Thesportsmeetingwastotakeplacesoon.,cool1)v.Pleaseopenthewindowtocooltheroom.Dontdrinktheteabeforeitcoolsalittle.,2)adj.凉爽的，冷静的，沉着的，冷漠的，冷淡的be/get/seem/keepcoolHissongsreceivedacoolresponsefromthepublic.,4.Astheearthcooleddown,waterbegantoappearonitssurface.随着地球的冷却,地球的表面就开始出现了水。,cooldown,a.凉快起来，冷却,b.指人的心境“平静下来，使平静下来”,Aheatedargumentcanbesettledbetterifbothsidescooldownfirst.Itriedtocoolherdownbutshewasstillveryangrywhensheleft.DontcovertheTVuntilitcoolsdown.,5.Nobodyknewthatitwasgoingtobedifferentfromotherplanetsgoingroundthesun.,2）他们的品位和我不同。,Theirtastesaredifferentfrommine.,Therearedifferencesbetweenand与之间有不同之处tellfrom把与区分开来thesameas与一样besimilarto与相似,bevery/much/quite/entirely/totallydifferentfrom与不同,Citylifeisquitedifferentfromcountrylife.,1）城市生活和农村生活很不同。,goingroundthesun为现在分词短语，做定语，表示一般的动作。例如：,Menbreakingthelawwillbepunished.Menwhobreakthelawwillbepunished.,现在分词短语作定语，也可表示进行的动作。例如：,Canyouseethegirldancingwithyourboyfriend?Canyouseethegirlwhoisdancingwithherboyfriend?,你能看到与男友跳舞的那个姑娘吗？,beharmfulto对有害,doharmtosb.=dosb.harm伤害某人，对某人有害处,1)Pollutionisespeciallyharmfultoanimals.,2)Smokingwilldoyoualotofharm.,Itdoesnoharm(forsb.)todo,Thereisnoharmin(sb.s)doingsth.,6.,7.Itallowedtheearthdodissolveharmfulgases.,allowvt.允许、许可、容许allow+n./pron./doingallowsb.todobeallowedtodo,Myfatherdoesntallowsmokingathome.Infacthedoesntallowustosmokeanywhereatanytime.,Areweallowedtousethecomputer?,it作形式宾语，其真正的宾语可以是不定式，动名词和从句。,TheforeignMinistersaid,“_ourhopethatthetwosideswillworktowardspeace.”(2004BJ)A.ThisisB.ThereisC.ThatisD.Itis,2.Ilike_intheautumnwhentheweatherisclearandbright.(NMET2004)A.thisB.thatC.itD.one,3.Whydontyoubring_tohisattentionthatyouaretoobusytodoit?A.thisB.thatC.whatD.it,D,C,D,8.Thatmadeitpossibleforlifetobegintodevelop.,4.Why?Ihavenothingtoconfess._youwantmetosay?A.WhatisitthatB.WhatitisthatC.HowisitthatD.Howitisthat5.Wasitattheschool_wasnamedafterahero_hespenthischildhood?A.which;thatB.where;whereC.that;whereD.which;where,A,A,9.Theymultipliedandfilledthefirstoceansandseaswithoxygen.,multiply(数目上)增加，增多；乘；（使）繁殖,1)Ourproblemshavemultipliedsincelastyear.,2)2and5multiplytomake10.,4)Theplantsheremultiplyrapidly.,3)6multipliedby5is30.,=Multiply6by5tomake30.,10.Thisencouragedthedevelopmentofearlyshellfishandallsortsoffish.,encourage鼓舞；促进；怂恿。后接名词、代词，也可接不定式作宾语补足语。如：,Highpricesforcornandwheatwillencouragefarming.,玉米和小麦的高价将促进农业的发展。,Mysuccessencouragedmetocontinue.,我的成功鼓励我继续干下去。,Heencouragedmetolearndancing.,他鼓励我去学跳舞。,11.Manymillionsofyearslaterthefirstgreenplantsbegantoappearonland.,late,adj.迟到的，晚的；前任的；以前的；已故的,later,adv.后来，较晚时候,过后adj.late的比较级(更迟的,更后的),latest,adj.最新的,lately,adv.=recently近来,1)Mr.ZhuRongjiisthelatePrimeMinisterofChina.,3)Shesaidshewouldringyoulaterthismorning.,5)Itsonlylatelythatshehasbeenwellenoughtogoout.,2)Heisoftenlateforschool.,4)Haveyouheardaboutthelatestnews?,12.spread的用法（1）vi.（消息等）传开，流传。如：,Thenewsspreadthroughtheschoolveryquickly.Thefirespreadfromthefactorytothehousenearby.,（2）vt.“使伸展，延伸，张开”，常与out连用。,Hespreadouthisarmstowelcomeus.,Ispreadanewclothonthetable.,我在餐桌上铺上一条新桌布。,他张开手臂欢迎我们。,13.Theyareputtingtoomuchcarbondioxideintotheatmosphere,whichpreventsheatfromescapingfromtheearthintospace.,阻止某人做某事:,preventsb.(from)doingsth.,stopsb.(from)doingsth.,keepsb.fromdoingsth.,1)Wemustpreventthemfrommakingtrouble.,2)Youshouldpreventthechildfrominjuringhimself.,Ifnothingprevents,如果没有什么阻碍的话,1.ThisisthebestwayIcanthinkof_intodangerousareas.A.topreventpeoplegettingB.keepingpeoplegettingC.stoppedpeoplegetting2.Alicewasprevented_takingapartinsportsmeeting.,A,from,14.escape1)v.escape,sthdoingsth,escapepunishment=escapebeingpunished,escapefromsth/someplace,2)n.Escapefromtheprisonisdifficult.,15.Whetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.,formillionsofyearstocome中不定式tocome作定语，与前面的名词之间有逻辑上的主谓关系：,Sheisthelastpersontodosuchathing.她是最不像会做这种事的人。,16.dependon/upon1)信赖，依靠dependon/upon,sb/sth/v-ing,sb/sthfor,sbtodosth,Youmustntdependonotherstohelpyou.Alllivingthingsdependonthesunfortheirgrowth.,2)视而定，取决于Thepricedependonthequality.Yoursuccessdependsonwhetheryouworkhard.Thatdependsonhowyoudidit.,dependonit没问题，请放心（句末或句首）,That/It(all)depends.那得看情况而定,1)Dependonit,youllsucceed.,2)Hemaysupportme,butitdepends.,Tellhimwhatyouwanttosay;hesamanto_.A.countB.believeC.trustD.depend解析:相信/信赖某人:countonsb.believeinsb.dependonsb.trust(in)sb.,C,C,17.Whentheplantsgrewintoforests,reptilesappearedforthefirsttime.,Sheisgrowingintoabeautifulyoungwoman.她渐渐出落成一个美丽的姑娘。,生长成为,渐渐成为或变得（不用于被动语态）,Thenaughtyboy_tomethatthehenth