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1.肯定的推测一般用must,should,may(might)或could(不用can),其中,must的语气最强,译为“肯定”、“准是”、“想必是”;should的语气次之,译为“很可能”、“应该”,指按常理推测;may(might),could的语气最弱,译为“也许”、“可能”。①Helen_______goonthetripwithusbutsheisn’tquitesureyet.A.shall B.must C.may D.can②—I’vetakensomeoneelse’sgreensweaterbymistake.—It___Harry’s.Healwayswearsgreen.A.hastobe B.willbe C.mustn’tbe D.couldbe③Ihavelostoneofmygloves.I_______itsomewhere.A.mustdrop B.musthavedroppedC.mustbedropping D.musthavebeendropped④IfI____plantodoanythingIwantedto,I’dliketogotoTibetandtravelthroughasmuchofitaspossible.A.would B.could C.hadto D.oughtto2.否定推测分为两种情况:1)语气不很肯定时,常用maynot,mightnot或couldnot,译为“可能不”、“也许不”。Youmightjustaswelltellthemanufacturerthatmalecustomers______notlikethedesignofthefurniture.(2004年上海春季卷)A.must B.shall C.may D.need2)否定语气较强时,则用can’t,译为“根本不可能”、“想必不会”,表示惊异、怀疑的感情色彩。①—DoyouknowwhereDavidis?Icouldn’tfindhimanywhere.—Well.He______havegonefar——hiscoat’sstillhere.A.shouldn’t B.mustn’t C.can’t D.wouldn’t②—Isn’tthatAnn’shusbandoverthere?—No,it_______behimI’msurehedoesn’twearglasses.A.can’t B.mustnot C.won’t D.maynot3.疑问句中的推测,往往用can或could。Mr.Bushisontimeforeverything.How______itbethathewaslatefortheopeningceremony?(2001年上海春季卷)A.can B.should C.may D.must4.对已发生事情的肯定推测常用“must,may,might等+完成式”;否定推测常用“can,could,may,might等+完成式”。①Iwasonthehighwaywhenthiscarwentpastfollowedbyapolicecar.They_______atleast150kilometersanhour.A.shouldhavebeendoing B.musthavebeendoingC.couldhavedone D.wouldhavedone②He_______havecompletedhiswork;otherwise,hewouldn’tbeenjoyinghimselfbyseaside.(2005年北京卷)A.should B.must C.wouldn’t D.can’t③—Tomisneverlateforwork.Whyisbeabsenttoday?—Something________tohim.A.musthappen B.shouldhavehappened
C.couldhavehappened D.musthavehappened④MysistermethimattheGrandTheatreyesterdayafternoon,sohe_____haveattendedyourlecture.(2000年上海卷)A.couldn’t B.needn’t C.mustn’t D.shouldn’t二、“情态动词+完成式”1.“should(oughtto)+完成式”表示本应该做某事而实际上没有做。其否定式表示某种行为不该发生但却发生了。①—I’lltellMaryabouthernewjobtomorrow.—You________herlastweek.A.oughttotell B.wouldhavetoldC.musttell D.shouldhavetold②Oh,I’mnotfeelingwellinthestomach,I_____somuchfriedchickenjustnow.A.shouldn’teat B.mustn’thaveeatenC.shouldn’thaveeaten D.mustn’teat2.“could+完成式”表示本来能够做成某事的但结果没能做成,含有遗憾的意味。Hepaidforaseat,whenhe______haveenteredfree.A.could B.would C.must D.need3.“needn’t+不定式的完成式”表示本来不必做某事而实际上做了某事。例如:Youneedn’thavewateredtheflowers,foritisgoingtorain.你本不需要浇花的,因为天就要下雨了。—Catherine,Ihavecleanedtheroomforyou.—Thanks.You______it.Icouldmanageitmyself.A.needn’tdo B.needn’thavedone C.mustn’tdo D.shouldn’thavedone三、常见的情态动词1.shall用于一、三人称疑问句表示征求对方意见;用于二、三人称陈述句表示说话人给对方的命令、警告、允诺或威胁等。①“Theinterest bedividedintofiveparts,accordingtotheagreementmadebybothsides,”declaredthejudge.A.may B.should C.must D.shall②—Excuseme,butIwanttouseyourcomputertotypeareport.—You______havemycomputerifyoudon’ttakecareofit.A.shan’t B.mightnot C.needn’t D.shouldn’t③—Theroomissodirty.______wecleanit?—Ofcourse.A.Will B.Shall C.Would D.Do2.must用于疑问句,表示责备、抱怨的感情色彩,意思为“偏偏,偏要”;mustn’t表示禁止,是说话人强有力的劝告。①John,lookatthetime._______youplaythepianoatsuchalatehour?A.Must B.Can C.May D.Need②Tom,you leaveallyourclothesonthefloorlikethis!A.wouldn’t B.mustn’t C.needn’t D.maynot3.needn’t表示“没有必要”。—Lucydoesn’tmindlendingyouherdictionary.—She______.I’vealreadyborrowedone.
A.can’t B.mustn’t C.needn’t D.shouldn’t4.would表示过去反复发生的动作或某种倾向。Whenhewasthere,he___gotothatcoffeeshopatthecornerafterworkeveryday.A.would B.should C.hadbetter D.might5.表示经过努力而成功的某一次动作,只能用was/wereableto,而不能用could。Thefirespreadthroughthehotelveryquicklybuteveryone_____getout.A.hadto B.would C.wasableto D.could6.考查情态动词用作答语的情况①—Writetomewhenyougethome.—_______.A.Imust B.Ishould C.Iwill D.Ican②—CouldIcallyoubyyourfirstname?—Yes,you______.A.will B.could C.may D.might巩固练习:1.Michael______beapoliceman,forheismuchtooshort.A.needn’t B.can’t C.should D.may2.ItoldSallyhowtogethere,butperhapsI____forher.A.hadtowriteitout B.musthavewrittenitoutC.shouldhavewrittenitout D.oughttowriteitout3.Jack_____yet,otherwisehewouldhavetelephonedme.A.mustn’thavearrived B.shouldn’thavearrivedC.can’thavearrived D.needn’thavearrived4.Sir,you______besittinginthiswaitingroom.Itisforwomenandchildrenonly.A.mustn’t B.can’t C.won’t D.needn’t5.Aleft-luggageofficeisaplacewherebags_______beleftforashorttime,especiallyatarailwaystation.A.should B.can C.must D.will6.—IsJohncomingbytrain?—Heshould,buthe_____not.Helikesdrivinghiscar.A.must B.can C.need D.may7.Ithasbeenannouncedthatcandidates_______remainintheirseatsuntilallthepapershavebeencollected.A.can B.will C.may D.shall8.Youcan’timaginethatawell-behavedgentleman______besorudetoalady.A.might B.need C.should D.would9.—Don’tforgettocometomybirthdaypartytomorrow. —_______.A.Idon’t B.Iwon’t C.Ican’t D.Ihaven’t10.Ididn’tseeherinthemeeting-roomthismorning.She____atthemeeting.A.mustn’thavespoken B.shouldn’thavespokenC.needn’t havespoken D.couldn’thavespoken例题答案Key:CDBB Key:CKey:CA Key:A Key:BBDA Key:DCKey:A Key:B Key:DAB Key:AB Key:C Key:AKey:C Key:CC
练习答案与解析1.B 从第二个分句“他太矮了”可以推知说话者持否定态度,needn’t意思是“没有必要”,与语境不符。2.C 根据句意“我已经告诉她怎样到那儿,但是或许我应该给她写下来”可知,说话者含有“后悔、遗憾”的意味,应使用“情态动词+完成式”形式,“must+完成式”表示对过去的肯定推测,“should+完成式”才表示虚拟意义。3.C 根据第二分句“否则的话他就会给我打电话了”可知“Jack肯定还没到”,“can’t+完成式”意思是“根本不可能”。4.A 从第二分句可知,这是妇女和儿童专用候车室,因此你“不准”坐在这儿。mustn’t表示“禁止,不准”。5.B can在此表示许可。6.D 从后一句“他喜欢开车”可知说话者把握不大。mustnot不表示推测,cannot的语气太绝对,意思是“根本不可能”。7.D shall用于第二、三人称,表示说话人给对方的命令、警告、允诺、威胁等意思。8.Cshould在此表示惊讶的感情色彩,意思是“竟然”。9.B对祈使句的肯定回答用Iwill;否定回答用Iwon’t。10.D根据句意“我今天上午在会议室没见到她”,所以“她根本不可能在会上发言”。表示“根本不可能”用can’t/couldn’thavedone形式。定语从句(一)结构:在复合句中,修饰某个名词或代词的句子(做这个名词或代词的定语)叫定语从句,定语从句一般放在被修饰的名词或代词后面,被修饰的名词或代词叫做定语从句的先行词,它与定语从句之间要有一个词连接,这个词指代先行词的内容叫做关系词(关系代词或关系副词:that,which,who,whose,when,where,why)。先行词在定语从句中充当主语,宾语,时间,地点,原因状语。结构:先行词+关系词+定语从句。1.Thereshesawawallofwaterthatwasquicklyadvancingtowardsher.2.InJapan,someonewhoseesanotherpersonmakingthegesturewillthinkitmeansmoney.3.Athemeparkisacollectionofrides,exhibitionsorotherattractionsthatarebasedonacommontheme.4.TheparkhasaconservationcenterthathelpsprotectmarineanimalsandtheirhabitatsintheriversandcoastalwatersofAsia.5.Visitorscangoonexcitingrideswheretheycanfeelwhatitisliketodothethingstheyhaveseentheirheroesdointhemovie.6.OprahWinfreyisablackwomanwhoserisetofameisaninspiringstory.(二)定语从句分为限定性定语从句和非限定性定语从句:限定性定语从句:从句对先行词进行必要的描述或说明,缺少它,则句义显得不完整,从句与先行词紧密相连。非限定性定语从句:对先行词进行补充说明,解释,它与先行词之间有逗号隔开。1.Beforeshecouldmove,sheheardaloudnoise,whichgrewtoaterribleroar.2.Treeaftertreewentdown,cutdownbythewater,whichmusthavebeenthreemetersdeep.3.Flora,whosebeautifulhairanddresswereallcoldandwet,startedcrying.4.Theirtalkincludesrhythmandrhymingwordsaswellastonguetwisters,whichoftenmaketheaudienceapplaud.(三)关系词前面可以根据定语从句的内容加上一些介词,这些关系词在介词后面常用which或whom.1.TherewasamanwithwhomIwouldhavetoworktogetherandfinallythemanagerofthecompany.2.Manypeoplewhosawthefilmwereafraidtoswimintheseawhentheyrememberedthescenesinwhichpeoplewereeatenbytheshark.
知识重点与难点(一)当先行词有最高级,序数词修饰,是不定代词,或是all,no,only等形式时,关系代词一般用that,而不能用which。1.TheTitanicwasthelargestshipthathadeverbeenbuiltatthattime.2.Thereisonethingthatkeepsworryingme.(二)当先行词是表示时间,地点,原因的词时,关系词用when,where,why还有which,that1.I’mverygladtoreturntomyhometownwhereIhadlivedfor10years.2.ThisismyhometownwhichIusedtotalkabouttoyou.3.IthinkIcanunderstandthereasonwhyhedidn’ttellthetruthtome.4.Noonebelievesthereasonthathegaveusabouthisabsenceatthemeeting.(三)定语从句的简化表达:1.ThemanwhoissittingontheplatformisaprofessorfromWuhanUniversity.2.Theletterthatwasmailedlastnightwillreachhimtomorrow.3.Thequestionthatisbeingdiscussedisveryimportant.4.Youarewelcometoapartytobegiveninourclassat7:45.说明:以上的定语从句部分可以用更加简单的非谓语形式表达出来:1.ThemansittingontheplatformisaprofessorfromWuhanUniversity.2.Thelettermailedlastnightwillreachhimtomorrow.3.Thequestionbeingdiscussedisveryimportant.4.Youarewelcometoapartytobegiveninourclassat7:45.说明:修饰一个名词除了后面用定语从句以外,还可以用非谓语动词形式:doing短语,done短语,beingdone短语,tobedone短语修饰。其结构和意思如下:1.被修饰名词+doing短语:正在做….的人/正在发生的事。2.被修饰名词+done短语:被…..的人/事3.被修饰名词+beingdone短语:正在被…..的人/事4.被修饰名词+tobedone短语:将要被…..的人/事(1)Doyouknowthemantalkingtomysister?(2)The“crazy”gesture,movingtheindexfingerinacircleinfrontoftheear,means“youhaveaphonecall”inBrazil.(3)Didyouseethatcarbeingrepaired?(4)Inacamera,thelensmustbefocusedontheobjecttobephotographed.(5)Thestudentstoattendthemeetingwillarriveheretomorrow.(6)GoodsimportedfromabroadarenotalwaysbetterthanthosemadeinChina.(7)TheYellowRiver,saidtobe“themotherriver”runsacrossChinalikeahugedragon.总结:以上做定语的那些短语就是英语语法中所说的分词,不定式的各种形式作定语。1.这些短语作定语应放在被修饰名词的后面。如果单独一个V-ing或V-ed形式作定语,则可以放在被修饰名词前面。2.分词作定语时,其动作应与全句动作同时发生。V-ing表示主动意义和正在做,V-ed表示被动意义。beingdone表示正在被做的
3.不定式作定语表示将要发生的,tobedone表示将要被做的【典型例题】[例1]Friendshipisneededbyall,_____playsanimportantroleinpeople’slives.A.whichB.thatC.whoD.it[例2]UncleLi_____Iworkedthreeyearsagohasretirednow.A.whoB.whomC.withwhomD.towhom[例3]Isthisthereason_____atthemeetingforhiscarelessnessinhiswork?A.heexplainedB.whatheexplainedC.howheexplainedD.whyheexplained[例4]Teachers,_____workisratherhard,arebeingbetterpaidthanbefore.A.whoB.thatC.whichD.whose[例5]TheOlympicGames,_____in776BC,didn’tincludedwomenplayersuntil1912.A.firstplayingB.tobefirstplayedC.firstplayedD.tobefirstplaying[例6]Thehouses_____fortheteachersandtheconstructionworkwillstartsoon.A.builtB.tobebuiltC.tobuildD.beingbuilt[例7]Howmanyofus_____,ameetingthatisnotimportanttouswouldbeinterestedinthediscussion?A.attendedB.attendingC.toattendD.haveattended[例8]Shehasthreechildren,_____isworkinginAustralia.A.whoB.oneofwhomC.oneofthemD.noneofthem【模拟试题】1.Susanistheverygirl_____thegooddeed.A.whomIthinkdidB.whomIthinkshedidC.whoIthinkdidD.Ithinkwhodid2.Luckily,thepoorboyhadenoughmoney_____hecouldbuyatrainticket.A.bywhichB.onwhichC.withwhichD.forwhich3.Thebook_____hedevotedmuchtimeistocomeoutnextmonth.A.whereB.whichC.towhichD.onwhich4.Thedaycamefinally_____Iwasgivenanopportunitytoactintheplay.A.whenB.inthatC.whichD.inwhich5.1.Don’tyouthinkthequestion_____tomorrowisofgreatimportance.A.beingdiscussedB.discussedC.tobediscussedD.todiscuss6.Thefood_____atthemomentisforthedinnerparty.A.cookedB.tobecookedC.isbeingcookedD.beingcooked7.Doyouknowtheteacher_____underthebigtree?A.readB.readsC.readingD.beingreadit在强调句型中:在英语中,为了突出强调句子的某一个成分(谓语除外),达到强调或使听话人特别注意这一部分的目的。便形成了一种强调句型。Itis/was+被强调的部分+that/who+句子的其他部分。Itis/wasnotuntil+时间+that+句子的其他部分。
例句:1.IsawJohnonmywaytoschoolthismorning.ItwasJohnwho/thatIsawonmywaytoschoolthismorning.ItwasonmywaytoschoolthatIsawJohnthismorning.ItwasthismorningthatIsawJohnonmywaytoschool.2.ItwashisbestsuitthatJohnworetothedancelastnight.3.Itwasnotuntil1920thatregularradiobroadcastbegan.4.Itwasthestrangewaythingslookedandsoundedinmyfamiliarroomatnightthatfrightenedmesomuch.5.Itwasthekindnessandsympathyintheireyesthatpreventedmefromdoingso.知识难点:(一)注意强调句型的变形,即以一般疑问句或特殊疑问句的形式出现的强调句型。1.WhatisitthatJoecan’tfindinthebathroom?2.WherewasitthatyoumettheforeignguestsfromAustralia?3.Ican’tquiterememberwhenitwasthatwemarried.4.Wasitbecausehewasveryillthatheaskedforleave?(二)是强调句型还是that主语从句或其他复合句1.ItisafactthatEnglishisbeingacceptedasaninternationallanguage.2.Itisthesepoisonousproductsthatcancausethesymptomsoftheflu,suchasheadacheandachingmuscles.3.Itwasalmostteno’clockwhenoursoldierscamebackfromthefront.4.Wasitinthisplacethatthelastkingdied?(三)注意强调句型中被强调部分带有定语从句WasitattheairbattleonJune8,1944,whichwasledbyCaptainJohnsonthatPeterlosthislife.【典型例题】一.单项选择:1.Idon’tthinkpossibletomasteraforeignlanguagewithoutmuchmemory.A.thisB.thatC.itsD.it2.Doesmatterifhecan’tfinishthejobontime?A.thisB.thatC.heD.it3.Tom’smotherkepttellinghimthatheshouldworkharder,butdidn’thelp.A.heB.whichC.sheD.it4.isafactthatEnglishisbeingacceptedasaninternationallanguage.A.ThereB.ThisC.ThatD.It5.Itwasinthesmallhouse___wasbuiltwithstonesbyhisfather___hespenthischildhood.A.which;thatB.that;whereC.which;whichD.that;which二.单句改错:1.Thatissaidthatthisnovelhasbeentranslatedintoseverallanguages.2.Isthisyourturntocleantheblackboard?3.Itisknowntoeveryone,themoontravelsaroundtheearthonceeverymonth.
4.Theofficialmadethisclearthathewoulddoeverythingpossibletosolvetheproblem.5.Itwasintheparkwheretheoldcoupletoldmetheirlovestory.6.Althoughwecan’tseethem,thereisairaroundus.三.翻译句子:1.直到星期三我才给办公室去电话。2.只有当我们看不清楚的时候,我们才意识到我们眼睛的重要性。3.Itwasinsurgerythattheresultsofthatdiscoverywereobtained,anditwastherethatthebattlebetweenthenewideaandtheoldprejudiceswasfoughtoutmostdramatically.【模拟试题】一.单项选择:1.Nobodythinksverypolitetobealwayscuttinginwhenanotherpersonistalking.A.thatB.thisC.itD.there2.Iwasdisappointedwiththefilm,Ihadexpectedtobemuchbetter.A.thisB.thatC.oneD.it3.Hetoreupmyphotoandupsetme.A.thisB.itC.whichD.what4.Itwaswithgreatcouragetheboytoldthetruthhehadstolenthemoney.A.which;thatB.when;whatC.as;thatD.that;that5.WhenItrytofindthatpreventssomanypeoplefromtakingpartintheprogram,itseemstomethattherearetwomaincauses.A.whatitdoesB.whatitisC.whyitdoesD.whyitis6.Nancyisexpectinganotherbabyandhopeswillbeaboy.A.heB.thatC.itD.there二.句型转换:将下列陈述句按划线的内容变为强调句。1.Thechildrenoftenhelptheirparentsdothefarmwork.2.In1993,atomatowasdevelopedthatwasverydifferentfromanygrownbefore.3.ThebiggestproblemofChinesefarmersistheshortageofarableland.4.Futureagricultureshoulddependonhightechnologyaswellastraditionalmethods.定语从句【典型例题】[例1]分析:_____playsanimportantroleinpeople’slives为非限定性定语从句修饰先行词Friendship用which连接定语从句。答案:A[例2]分析:_____Iworkedthreeyearsago作为定语从句修饰先行词UncleLi,从句完整的表达是:IworkedwithUncleLithreeyearsago.所以关系词前应加上介词with。答案:C[例3分析:定语从句_____atthemeetingforhiscarelessnessinhiswork修饰先行词thereason指“他在会上就他工作中的粗心解释的原因。先行词在从句中做宾语。答案:A[例4]分析:非限定性定语从句_____workisratherhard修饰先行词teachers,
它与从句中的work是从属关系,关系词用whose答案:D[例5]分析:公元前776年被首次举行的奥运会,直到1912年才容纳女运动员。_____in776BC做定语修饰TheOlympicGames,指过去的内容,表示被动。用done做定语。答案:C[例6]分析:根据句意房子即将开工。_____fortheteachersandtheconstructionwork修饰Thehouses应为ThehousesThehouses将要为教师和施工修建的房子。答案:B[例7]分析:根据句意:比如说,我们当中参加一个对我们毫不重要的会议的人会有多少人对这个讨论感兴趣呢?_____,say,ameetingthatisnotimportanttous修饰Howmanyofus做定语。与全句动作同步.答案:B[例8]分析:非限定性定语从句__isworkinginAustralia修饰先行词threechildren,根据从句中的is判断,是说:三个孩子中的一个在澳大利亚工作。答案:B【试题答案】1.CSusan正是我认为作了好事的那位女孩。先行词theverygirl在从句中做think的宾语,同时又是后面宾语从句didthegooddeed.的主语,所以关系词不能用whom2.C定语从句_____hecouldbuyatrainticket.修饰先行词money:用这笔钱买火车票。关系词前面需要加介词:with3.C定语从句_____hedevotedmuchtime意思是:他把大量的时间都投入在这本书上了。devote….tosth.关系词前加介词:to4.A定语从句_____Iwasgivenanopportunitytoactintheplay修饰先行词theday:先行词theday在从句中做时间状语:在这一天我得到了扮演一个角色的机会。5.C短语_____tomorrow做定语修饰thequestion,根据表达的内容:明天即将被讨论的问题。应当用不定式的被动结构做定语。6.D短语_____atthemoment做thefood的定语,表示:正在做的食物。Beingdone做定语表示:正在被……的……。7.C现在分词短语readingunderthebigtree做定语修饰theteacher表示:正在大树下看书的那位老师。强调句型【典型例题】1、分析:本题考查it做形式宾语的句型。“我认为没有大量的记忆掌握一门外语是不可能的。”故选择D2.分析:本题考查it做形式主语的句型:如果他没能按时完成工作的话,这很要紧吗?故选择D3.分析:本题考查it的代词用法。It指上一句的内容:Tom的母亲始终告诉他应该努力学习。故选择D4.分析:本题考查it做形式主语的句型:英语正在作为一种国际性语言被接受是一个事实。选择D5.分析:本题考查带有定语从句的强调句型用法。句中:“___wasbuiltwithstonesbyhisfather的定语从句。被强调的部分是inthesmallhouse___wasbuiltwithstonesbyhisfather。根据句意:他正是在他父亲用石头盖的房子里度过了他的童年。故选择A二.单句改错:1.分析:根据句意:据说这部小说已经被译成多种语言。表示据说,应当说:Itissaidthat…。That改为:It2.分析:根据句意:该轮到你擦黑板了吧?轮到某人做某事:Itisone’sturntodo….This改为:it3.分析:表示“众所周知”可以说:Itisknowntoeveryonethat+陈述句。或:Asisknowntoeveryone,+陈述句。It改为:As,或去掉“,”加连词that4.分析:根据句意:这位官员宣布将尽一切力量解决这个问题。固定结构应当是:makeitclear
that+陈述句。It在此是形式宾语。This改为:it5.分析:根据句意可以知道本句用了强调句型,强调地点:inthepark所以按照强调句型的结构where改为:that6.分析:句中的代词them根据句意应当指代后面的air,但air是不可数名词,因此them改为:it三.翻译句子:1.分析:表达“直到……才……”可以用not…until…引导的时间状语从句;也用强调句型;或倒装句。翻译:(1)Ididn’ttelephonetheofficeuntilWednesday.(2)ItwasnotuntilWednesdaythatItelephonedtheoffice.(3)NotuntilWednesdaydidItelephonetheoffice.2.分析:本句可以用强调句表达,也可以用倒装句:翻译:(1)Itisonlywhenwecannotseeperfectlythatwerealizehowimportantoureyesare.(2)Onlywhenwecannotseeperfectlydowerealizehowimportantoureyesare.3.Itwasinsurgerythattheresultsofthatdiscoverywereobtained,anditwastherethatthebattlebetweenthenewideaandtheoldprejudiceswasfoughtoutmostdramatically.翻译:那些发现的成果是在外科医学中获得的,也正是在那里,新思想与旧偏见用最富有戏剧性的方式展开了战斗。【试题答案】一.单项选择:1.C,it在句中做形式宾语。句型为thinkit+形容词+todosomething2.D,it在句中作为代词指代前面说的film3.B,it作为代词指代前面Hetoreupmyphoto这件事。4.D,这是一个带有同位语从句的强调句,“这个男孩怀着极大的勇气说出了他偷东西的真相。hehadstolenthemoney.做thetruth的同位语从句,用that引导。5.B,这是一个强调句的变形,强调句变成了特殊疑问句又做find的宾语从句,what是被强调的内容。根据句义:我在努力发现到底是什么阻止了这么多人参加这个项目。6.C,Nancy很快又要有一个孩子了,她希望这是个男孩。指代baby用代词it二.句型转换:1.Itisthechildrenthatoftenhelptheirparentsdothefarmwork.2.ItwasIn1993thatatomatowasdevelopedthatwasverydifferentfromanygrownbefore.3.ItistheshortageofarablelandthatthebiggestproblemofChinesefarmersis4.Itishightechnologyaswellastraditionalmethodsthatfutureagricultureshoulddependon.