人教版英语一轮复习知识点复习讲解课件：必修3-Unit4

☆佳作诵读Recently，studentsinourclass1.havehadadiscussiononwhetherspace2.isworthexploring.①30%ofusthinkspaceexplorationisnotworthwhile.Theythinkspaceistoo3.farawayfromusandourdailylife.Andthemoney4.spentonspaceexplorationcanbeusedtosolvetheearth'sproblems5.suchasstarvationandpollution.6．Ontheotherhand,70%thinkspaceisworthexploringbecausewehave7.benefitedalotfromit，suchasusingsatellitesforcommunicationandweatherforecast.8.What'smore，②withfurtherspaceresearch，wemaysolvethepopulationproblembymovingtootherplanetsoneday.Also，spaceresearchwillenableustofindnewsourcestosolvetheproblemofenergyshortagesontheearth.☞好词积累1．haveadiscussion进行一场讨论2．beworthdoing值得做……3．farawayfrom离……很远4．spend...on在……花费5．suchas例如6．ontheotherhand另一方面7．benefit...from从……中获益8．what'smore而且☞好句延展1．百分之四十的学生认为加入这个组织是值得的。40%ofthestudentsthinkjoiningtheorganizationisworth­while.2．而且，随着研究的不断深入，我们也许会找到解决这个问题的方式。What'smore，withfurtherresearch，wemayfindthewaytosolvetheproblem.1单词拓展识记一、单词与派生1.n．天文学→n．宇航员→n．天文学家2.n．宗教；宗教信仰→adj.宗教的；虔诚的3.adj.猛烈的；激烈的；强暴的→adv.强烈地；猛烈地；激烈地→n．暴力；暴力行为astronomyastronautastronomerreligionreligiousviolentviolentlyviolence4.adj.有害的→n．&vt.伤害；损害；危害→adj.无害的5.vi.存在；生存→n．存在；生存；生活(方式)6.n．生物学→n．生物学家7.n．物理学家→n．物理学→adj.物理的；物理学的harmfulharmharmlessexistexistencebiologybiologistphysicistphysicsphysical二、语境填空1．Doyouthinkoureducation(制度)needsimproving?2．Thediscussionhasbecomemoreandmore(激烈的)．3．Withoutpracticetherewouldbeno(理论)．4．Theycan't(生存)withthemoneyhe'smaking.5．Thesmellofnewbread(漂浮)upfromthekitchen.systemviolenttheoryexistfloated6．Eatingtoomanydessertscanbe(有害的)toone'steeth.7．“Whathappened？”John'smotheraskedhimina(温和的)voice.8．Hisfaceworea(困惑的)expression.9．Mostoftheevidencehadbeendestroyed.(因此)itwasalmostimpossibletoprovehimguilty.10．Theplane(坠毁)intothemountain.harmfulgentlepuzzledThuscrashed2短语多维运用一、互译练习1．及时；终于2．下蛋3．产生；分娩4．轮到某人；接着5．阻止；制止6．挡住(光线)intimelayeggsgivebirthtoinone'sturnprevent...from...blockout7．cheerup8．nowthat9．getthehangof10．breakout11．watchout12．solarsystem感到高兴；感到振奋既然熟悉；掌握；理解爆发；突发密切注视；当心；提防太阳系二、用上述短语的适当形式填空1．Thegovernmenttookimmediatemeasuresandthediseasewas________spreading.2．He________atoncewhenIpromisedtohelphim.3．Theygottotheairportbytaxijust________fortheirflight.4.________youhavepassedyourtest，youcandriveonyourown.5．Pressthebuttonwhenthelightgoeson，andyou'llsoon________it.6．Afightingbetweenthetwofriends________，endingthefriendshipkeptformanyyears.【答案】1.preventedfrom2.cheeredup3.intime4．Nowthat5.getthehangof6.brokeout3句式高仿演练1．(教材P25)Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidglobe.随后它会变成什么没人能知道，直到38～45亿年前，这团尘埃才慢慢地形成一个固体的球状物。[句式仿写]我们所知道的是李先生下周一给我们上课。Mr.LiwillgiveusthelessonsnextMonday.Whatisknowntousisthat2．(教材P25)Theearthbecamesoviolentthatitwasnotclearwhethertheshapewouldlastornot.地球变得如此激烈动荡以至于不知道这个固体形状是否会继续存在下去。[句式仿写]你是否参加她的生日晚会都没有太大关系。Itdoesn'tmattermuch.whetheryouwilltakepartinherbirthdaypartyornot3．(教材P25～26)Theywereintimetoproducecarbon，nitrogen，watervapourandothergases，whichweretomaketheearth'satmosphere.它们最终又产生了碳、氮、水蒸气和其他的气体。它们后来构成了地球的大气层。[句式仿写]现在十一点了，可能他已经到达迈克的家了。It'seleveno'clocknow.HeMike'shouse.istogetto4．(教材P26)Thisproducedachainreaction，whichmadeitpossibleforlifetodevelop.这引起连锁反应，使得生命开始发展成为可能。[句式仿写]我提出一个条件，人人都要准时。Ithateverybodymustbeontime.madeitacondition5．(教材P31)IfoundIwascarriedtwiceasfarasontheearthandfellover.(当我向前迈步时)我发现我所走的距离是在地球上的两倍，我跌倒了。[句式仿写]我的收入是他的两倍。Myincomeis.twiceasmuchashis4课文语法填空Theearthwasjust1.________cloudofdustafterthe“BigBang”．Theearthexplodedloudlywithfireandrock.2.________wereintimetoproducemanythings，whichweretomaketheearth'satmosphere.Astheearthcooleddown，waterbegantoappearon3.________surface.Itallowedtheearthtodissolve4.________(harm)gases.Thenlifebegantodevelop.Smallplantsmultipliedandfilledthefirstoceansandseaswithoxygen.Thisencouragedthe5.________(develop)ofearlyshellfishandfish.Landanimalssuch6.________insects，reptilesanddinosaursappearedaftergreenplantsappeared.Smallcleveranimalsspreadall7.________theearth.Theyareputtingtoomuchcarbondioxideintotheatmosphere，8.________preventsheatfromescapingfromtheearthintospace.9.________lifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcan10.________(solve)．【答案】1.a2.They3.its4.harmful5.development6．as7.over8.which9.Whether10.besolved1高考真题演练Ⅰ.完形填空——完成句子1．(2014·天津高考)Iwaspuzzled.我很困惑。(教材P27)Howlifebeganonearthisoneofthebiggestpuzzlesthatscientistsfoundhardtosolve.2．(2014·新课标全国卷Ⅰ)And，likethechildinJanuary，theygosearchingfornewtoys.他们就像一月的孩子一样开始找新玩具了。(教材P26)WaterhadalsoappearedonotherplanetslikeMarsbut，unliketheearth，ithaddisappearedlater.Ⅱ.阅读理解——完成句子1．(2014·新课标全国卷Ⅰ)Theyfeelpuzzledoverchoices.他们对选择感到困惑。(教材P27)Howlifebeganonearthisoneofthebiggestpuzzlesthatscientistsfoundhardtosolve.2．(2014·山东高考)Thegoalistofindoutwhetherkidsusingtoday'snewtechnologycanteachthemselvestoreadinplaceswherenoschoolsorteachersexist.目标是发现使用今天的新技术的孩子是否可以在不存在任何学校或老师的地方教自己读书。(教材P26)Theylaideggstooandexistedontheearthformorethan140millionyears.2核心单词突破harmfuladj.有害的，其反义词为harmless(教材P26)Whatmanyscientistsbel