新概念第三册第17课(精美课件)

NCELESSON17THELONGESTSUSPENSIONBRIDGEINTHEWORLD(1)WORDSANDEXPRESSIONS1.suspensionn.悬，挂，吊V？suspend【记】sus+pens+ion（under）(hang)（N.后缀）在下面挂着悬，挂形近词：suspensen.悬念；悬疑2.agreeablea.conformingtothefeelingsPhrases:agreeableclimateagreeableenvironment同义词：comfortabledelightfulpleasantjolly3.situationn.地方，地点（aconditionorpositioninwhichyoufind）【同】place：anyareasetasideforaparticularpurposetract：anextendedareaoflandlocality:asurroundingornearbyregion[lə(ʊ)'kælɪtɪ]Whichpictureismatchingwithoneofthosewords,place，tractandlocality?localityplacetract4.locatev.位于n.?&a.?【记】loc+ate（place）（v.后缀）在某个地方—位于【同】site，lie，situate，stand5.immortala.notsubjectto(suffer)death永生的【另】n.apersonofenduringfame(eg.anauthor)im+mortal（反义前缀）（终有一死的）不会死的永生的【混】immoral不道德的6.spann.跨度【拓】lifespan寿命wingspan（plane）翼展timespan时间跨度7.Cablen.缆索Cabletelevision有线电视CableNewsNetwork(CNN)美国有线电视新闻网Digitaltelevision8.contreten.混泥土con+trete(together)(make)把多种原料放在一起制造出来的东西9.lengthn.长度a.？宽度？深度？跨度？long，wide/width([wɪdθ]),high/heightdeep/depth,span10.estimatev.估算n.Review：大致的估算？crudeestimate【拓】guesstimate推测（informal）underestimateoverestimate11.Capacityn.abilitytoperformorproduce承受量【用】carryingcapacity承载量memory/storagecapacity存储量vitalcapacity肺活量12.immensityn.巨大a？Immense表示大的词汇？big，vast，large，huge，greatWhataretheirdifferences?BIG，VAST，LARGE，HUGE，GREAT,IMMENSEimmense表示“特别大的”意思,其内涵是无法测量A：big，口语，和large都可表示事物/面积的大小Eg.Ourfactoryisabig/largeone.我们的工厂很大。B：在表示重量、身高大或长大了时，只能用big。Eg.Theboxistoobigtocarry.C.在表示数量时，用large,不用big。Eg.Alargenumberofpeoplecamefromallpartsofthecountrytoseetheexhibition.D.great“大、伟大的”，多用于抽象意思，带有一定的感情色彩。Eg.TherehavebeenmanygreatpresidentsinAmericanhistory.E.在表示抽象意思时，有也可用big,但great更为正式。Eg.Great/Bigchangeshavetakenplaceinourcountryinrecentyears.]F.vast广袤无垠的,面积广阔的。Eg.avastforest,avastsea,avastdesert,vastdarknessG.huge指巨大的，往往指体积。Eg.ahugestone,ahugebuildingPs：desert['dezət]dessert[dɪ'zɜːt]EXERCISE1.MartinLutherKingisa_____person,forhewasseenasaheroofdemocraticmovement.A.bigB.greatC.hugeD.large2.Whata____forestitis!A.largeB.bigC.hugeD.vast(ɑː)3.Onediseaseonouragendacauses_____sufferinginlargepartsoftheworldA.greatB.largeC.immenseD.big13.eleganta.优雅的，别致的n.?elegance14.faintlyad.toafaintdegreeorweaklyperceived微细地a？fuzzy[‘fʌzɪ]模糊的，失真的weakdark模糊的，忧郁的vague[veɪg]模糊的，含糊的NCELESSON17THELONGESTSUSPENSIONBRIDGEINTHEWORLD(2)DISCUSSIONOFTHEPASSAGENo.11.同位语2.whom定语从句N0.21.as补足语，修饰it2.of+which定语从句3.flow流淌No.41.,which非限制性定语从句。Q：Canweuse‘that’insteadofwhichhere?Why?2.join…to【同】link…with…attractto把…牢牢系在relateto与···相关，涉及到···relatewith与…建立联系辨析题Whathesaiddoesn'trelatewellwiththefacts.No.31.though让步状语从句2.bynomeans3.for原因状语4.benamedaftersb.以某人名字命名Choose‘relatewith’or‘relateto’totheblanks.1.Whathesaiddoesn't_____well_____thefacts.2.He_____thefactsofthecase_____journalists.No.51.Of4,260feet后置定语，修饰aspanNo.61.so…that结果状语从句2.takeintoaccount=considerNo.71.madeofsteelandconcrete过去分词短语，作后置定语No.81.ofover100feetof+介词短语，作后置定语No.91.alone=only,just仅，单单2.takesometimetodosthNo.101.above…介词短语放句首，作地点状语No.111.from+which定从2.besuspendedfromTheysupportthecableswhichthebridgehasbeensuspendedfrom.Q:介词都可以提前，再加关系词吗？定语从句中，介词提前的情况关系代词which，whom修饰的先行词是宾语，介词放后面，更加正式。Eg.MaryisthegirlwhomIborrowedabookfrom.=MaryisthegirlfromwhomIborrowedabook.Isthistheroomthat/whichheoncelivedin?=Isthistheroominwhichheoncelived?1.where=in/onwhichEg.Thisistheroomwhere/inwhichhelivesIcanseetheplaygroundwhere/onwhichIjoinedtheParty.2.when=on/in/atwhichEg.Istillremembertheyearwhen/inwhichIjoinedtheParty.Istillrememberthedaywhen/onwhichIjoinedtheParty.Istillrememberthehourwhen/atwhichtherocketwaslaunched.3.why=forwhichEg.Thisisthereasonwhy/forhewaskilled但是，下列几种情况下，介词不能提前1.用who代替whom，用that代替which时，介词不能提前Eg.HeistheboywhoIlearnedEnglishfromThisshouldbetheplacethatTomsenttheparcelto.2.当whom，which省去时，介词不能提前。Eg.Ishetheboyyouwenttherewith?Thisistheroomhelivedin.3.当whom,which作为含有介词的动词短语的宾语时，介词一般不能提前Eg.YouaretheintelligentmanwhomI’mlookingfor.Thisistheprogramwhichhelistenedto.No.121.containv.havingsth.insideNo.131.ithasbeenestimatedthat…强调句2.bepackedwith:fillin3.athirdof⅓的···怎么说⅔¼,½,⅛？twothirds,onefourth=aquarteronesecond=ahalfoneeighthsNo.141.despite引导让步状语从句2.fulfilling···现在分词短语，作句子的状语。让步状语从句尽管····/即使···也；“退一步说”主要引导词有：although，though，while，as，evenif，eventhough，whereasevenif,eventhough细微差别evenif：即使，就算，哪怕，假设性的eventhough：虽然，尽管，真实的Eg.Formypart,IplantogotothepartyevenifyoudecidenottogoHewentouteventhoughitwasraining.