高中英语优秀课件：Conju 27页

GrammarConjunctions\nListeningListentoasongandtrytofindtheconjunctionsmentionedinthesong.when.and.eventhough.that.because.but.onceSong:WhenChristmasComestoTown\nRememberTrytorememberhowmanyconjunctionshaveyoulearnedinSeniorHighEnglish.Listthemonyourpaperasmanyasyoucan.\nWhatisconjunction连词，主要是包括并列连词和从属连词。在句子中，连词起连接词与词、短语与短语及句子和句子的作用。它本身在句子里不单独做句子成分。\n1.并列连词and,but,or,nor,so,foryet,however,aswellas,both...and,notonly...butalso,either...or,neither...nor2.从属连词after,when,before,as,while,since,until,till,if,unless,lest,because,than,that,whether,sothat,inorderthat,asif,asthough,although,supposethat,provided,that,as...as,nowthat,such...that,incasethat,onconditionthat\n[例题分析]Ithinkyouareagreatfamily____I’mgladI’mgoingtojoinyou.A.andB.butC.soD.howeverAnd在这里表示有因果关系的事件。又如：Youarelateagainandyoumustapologize.So也可以表示因果关系。例如：Hewassick,sohewasquiet.解析A\n2.Thismedicine,___drug,hasaviolenteffect.这种药品，或者说麻醉剂，有强烈的效果。A.AndB.orratherD.butD.however解析orrather:或者说；准确地说。B3.TheyhavelearnedEnglishforonlyayear,____theycanactEnglishplaysalready..A.andB.yetC.howeverD.thoughB解析yet此处是连词，表示转折。\n4.Hehadfailedseveraltimes,____hewassurehewouldsucceedintheend.butB.forC.neverthelessD.thereforeC解析nevertheless,连词。他失败了好多次，然而他坚信他会成功的。\n5.Thetextisratherdifficult.Itis,___,notbeyondthereachofthestudents.A.thereforeB.forC.soD.howeverD解析however此处是副词，意思是：然而；可是，表示转折。又如：Hehasn’tarrived.Hemay,however,comelater.他还未到，不过，他可能过一会儿来。Wehavenotyetwon;however,weshalltryagain.我们还没有取胜,不过我们还要再试一下。\n6.Heworkeddayandnight,and___hewasabletobuythebighouse.Hehasbrokenhislegandthereforehecan'twalk.他摔坏了腿，因此不能走路了。Wedonothaveenoughmoney.Thereforewecannotaffordtobuythenewcar.我们的钱不够,因此买不成这辆新车。A.thereforeB.soC.howeverD.yet解析therefore“因此，所以”是副词，用法跟however一样。又如：A\n从属连词时间状语从句：When,after,before,while,as,since,until,assoonas,条件状语从句：if,unless,地点状语从句：where,目的状语从句：sothat\n5.让步状语从句：although,though,eventhough,nomatterwhat/how/when,6.比较状语从句：as,as…as,notso…as,than,7.结果状语从句：so(such)…that,8.原因状语从句：as,because,since\n从属连词练习：Itmighthaverainedlastnight,___thegroundiswet.A.forB.becauseC.whenD.asA昨晚可能下雨了，因为地面是湿的。（表示说话者从地面湿了这个现象主观推断出昨晚下雨的结论，但事实究竟如何却不得而知）解析\n2.Didtheyretreatoutofpanicor____theywantedtosavetheirlives?A.asB.forC.andD.becauseD解析Because可以用在选择疑问句中as,for,since不可以。他们后撤是出于慌乱，还是想逃命?\n3.Helookssleepynot___heisnotfeelingwell,but___hestayeduplastnight.that/thatB.just/justC.because/becauseD.for/for他看上去昏昏欲睡并不是不舒服，只不过是昨晚熬夜罢了。解析because前可用否定词或其他修饰语及并列连词修饰,但是其他表示原因的从属连词不可以。CC\n4.Someonecalledmeupinthemiddleofthenight,buthehung___Icouldanswerthephone.A.afterB.beforeC.sinceD.until半夜有人给我打电话，但还没等我去接，对方就挂断了。B解析此处before的意思是“没来得及…就”，“不等…就”。\n5.Itwasn'tlong___thepeopletookuptheirarmsandfoughtback.afterB.beforeC.sinceD.until不久，人民就开始拿起了武器，开始反抗。B解析此处before用在否定句中表示”不久就…“\n6.Ithasbeen5years_______mysisterreturnedfromabroad.7.Itis5yearsago_____mysisterreturnedfromabroad.8.Itwastheyears1990______mysisterreturnedfromabroad.9.Itwillbe5years________mysisterreturnsfromabroad.A.beforeB.sinceC.thatD.when[活学活用]sincethatwhenbefore\n10.Hehaswrittentomefrequently___Iwasill.11.Hehaswrittentomefrequently___Ifellill.A.sinceB.afterC.beforeD.until自从我“病愈”以来他常常给我写信。自我生病以来他常常给我写信。解析例句10从句表示“病愈”即“生病”这一状态结束以后到现在；例句11从句表示开始生病到现在。AA\n[活学活用]12.___hewasinGuangzhou,greatchangeshavetakenplacethere.13.Hecouldbelievethatgreatchangeshadtakenplace3years___hewenttoGuangzhou.14.Theyaskedmetohaveadrinkwiththem.Isaidthatitwasatleasttenyears___Ihadenjoinedagooddrink.A.SinceB.afterC.beforeD.untilACA\n15.Shesaved___littlemoneyshecouldoutofherslimsalarytohelpherbrothergotoschool.A.soB.suchC.whatD.how她把从她微薄的薪水中留出来的一点点钱都用来送弟弟上学了。Cwhat在这样用时常和few或little连用，再修饰名词，其含义是“全部的……尽管不多”“虽少但全部”，或“所仅有的……””allthelittlemoney”。解析\n16.Airistous___wateristofish.likeB.whatC.butD.whenwhat=justas，意为“恰像，犹如，好比”用作连词，引导比较状语从句。解析B空气对于我们犹如水对于鱼。\n17.Youmayhavesomeideaof___theastronautshavetodealwithifyoutrytodrinkaglassofwaterwhilestandingonyourheadorwhilejustlyingdown.[活学活用]howmuchB.howC.whatD.why如果你试着倒立着或仅以躺着的姿势去喝水,就能大致体会到宇航员必须应付什么了。C\n18.___isthecost（price）ofthegoldwatch？A.howB.howmuchC.whatmuchD.whatD问价格﹑度量﹑速度、人口﹑面积﹑门牌（汽车﹑电话等）号码等时，只能用what提问，不能用howmuch提问。又如：Whatisthespeedofthecar？Whatisthelength（width,depth）ofthelake？解析\n19.Wewillmakethefactorytwice___itistoday.A.howB.whatC.whyD.when我们将使工厂比现在规模增加一倍。B句中的twicewhatitistoday是动词make的宾语thefactory的补足语）解析\n20.Gravityis____makesyouweigh____youweigh.地心吸引力使人称得现有的重量。what/whatB.howmuch/howmuchC.that/whatD.asto/as句中的第一个what到句末为表语从句；句末的whatyouweigh是说明前面的动词weigh.解析AA\nHomework1.Revisetheconjunctionsbyyourselves2.Finishtheexercisesinthebook.