选校网。liveupto意为“实践,做到”;standupto意为“勇敢地抵抗”;lookupto意为“尊敬,仰望”;runupto意为“达到,积累到”。17.选D。turnin意为“上交,归还”;turninto意为“进入,(使)变成”;turnto意为“转向,变成,求助于,致力于”;turnoff意为“关掉,避开”。18.选C。seeabout意为“查询,留意于”;lookafter和takecareof均表示为“照顾,关心”;getdownto意为“开始认真考虑”。19.选A。setout意为“陈述,陈列,出发,开始”;setoff意为“出发,动身”;setover意为“移交,置于……上,指派……管理”;setup意为“设立,竖立,架起,升起,创(纪录),提出”。20.选A。takeon意为“披上,呈现,具有,雇用,接纳,流行”;dressup意为“打扮,装饰,伪装”;puton意为“穿上,把……放在上,装出,增加”;getinto意为“进入,陷入,穿上”。情态动词考点◆典型陷阱题分析◆1.“Mikeisoftenabsentfromclass.”“Tellhimhe_____answerforitifhegoesonbehavinglikethat.”A.shallB.willC.wouldD.can【陷阱】几个干扰项均有可能误选。【分析】最佳答案选A。shall用作情态动词主要有以下两个用法:(1)用于疑问句中征求意见。如:ShallIhelpyou?要不要我帮帮你?ShallIopenthewindow?要我把窗子打开吗?(2)用于陈述句中表示允诺、告诫、警告、威胁、命令、规定、必然性等(可用于各类人称)。如:Youshallsufferforthis.你会为此事吃苦头的。(表威胁)Eachcompetitorshallwearanumber.每个参赛者要戴一个号码。(表规定)Youshallheareverythingassoonasyoucome.你一来就可听到所有情况了。(表允诺)请做以下试题(答案均选shall):(1)“Ipromisethatshe_____getanicepresentonherbirthday.”“Willitbeagreatsurprisetoher?”选校网’tC.mustn’tD.needn’t【陷阱】几个干扰项均有可能误选。【分析】最佳答案选A。cannot…too…是英语中一个十分有用的表达,意为“不可能太……,无论怎样……也不算过分,越……越……”。如:Youcan’tbetoocareful.你越仔细越好。Youcan’tpraisethetoomuch.这本书值得大加赞扬。Wecannotworktoomuchforthepeople.我们为人民做工作是不可能做过头的。Awomancannothavetoomanyclothes.女人买的衣服再多也不算多。注:有时也可用cannever,impossible等与too连用来表示类似意思。如:Itisimpossibletogettheretoosoon.去那儿越早越好。3.“IsJohncomingbytrain?”“Heshould,buthe_____not.Helikesdrivinghiscar.”A.mustB.canC.needD.may【陷阱】可能误选B或C。【分析】最佳答案为D。may表推测,maynot意为“可能不(会坐火车来)”。句中的Heshould为Heshouldcomebytrain之省略,由于其后出现转折连词but,说明语意有变化,再结合下文的Helikesdrivinghiscar,便可决定此题选D。注意,不能选B,因为can表示推测时通常不用肯定陈述句。4.“Iheardtheywentskiinginthemountainslastwinter.”“It____truebecausetherewaslittlesnowthere.”A.maynotbeB.won’tbeC.couldn’tbeD.mustn’tbe【陷阱】几个干扰项均有可能误选。【分析】此题最佳答案为C,主要由下文的becausetherewaslittlesnowthere这一语境所决定,既然“没下什么雪”,那么“滑雪”就应是“不可能”,所以选couldn’tbe,即选C。5.“Doyouthinkheislazy?”“I_____soonce,butIdon’tnow.”A.mayhavethoughtB.canhavethoughtC.maythinkD.mightthink答案选A。从答话人的语境可知,空格处的意思“曾经这样想过”,即对过去情况作推测,故应用“情态动词+动词完成式”;又因为can表推测不用于肯定句,故选A。请看类例:Theiranswersareexactlythesame—oneofthem______fromtheother.A.mustcopyB.musthavecopiedC.shouldcopyD.shouldhavecopied选校网,既然两人的答案完全一样,说明“抄袭”已经发生,故用“情态动词+动词完成式”,根据句意,应选B而不能选D。6.You_____beright,butIdon’tthinkyouare.A.canB.couldC.mustD.should【陷阱】几个干扰项均有可能误选。【分析】从语境上看,C、D不宜选,在剩下的A和B中,许多同学想当然地选了A,认为整个句子为现在时态,所以选can,而不选过去式could,但是最佳答案却是B而不是A。按照英语语法,情态动词can用于推测表示可能性时,通常只用于否定句或疑问句中,而不用于肯定句中;但could用于表推测时,却不仅可用于否定句和疑问句,也可用于肯定句,且此时的could并不是can的过去式,与can也没有时间上的差别,只是could比can语气更委婉,所以答案选B。注:can在以下特殊情况下,也可用于肯定句。一是表示抽象的可能性,即从理论上或逻辑上分析是可能的,但是实际上未必会发生。如:Anyonecanmakemistakes.任何人都可能会犯错误。二是后接“be(get,seem,become)+形容词”,表示“有时会”、“时常会”等。如:Myfathercanbeveryunreasonable.我父亲有时候很不讲道理。◆精编陷阱题训练◆1.“Ithoughtyouwouldn’tmind.”“Well,asamatteroffactIdon’t,butyou_____mefirst.”A.shouldaskB.shouldhaveaskedC.mustaskD.musthaveasked2.“Icalledyouyesterday.Awomananswered,butIdidn’trecognizehervoice.”“Oh,it_____myauntJean.”A.mustbeB.musthavebeenC.mightbeD.canhavebeen3.Thatcarnearlyhitme;I______.A.mightbekilledB.mighthavebeenkilledC.maybekilledD.maybeenkilled4.It’saverykindoffer,butIreally_____acceptit.A.mustn’tB.needn’tC.can’tD.don’t5.Thepolicestillhaven’tfoundher,butthey’redoingallthey_____.A.mayB.canC.mustD.will6.You_____practisethedrumswhilethebabyissleeping.A.needn’tB.mightn’tC.mustn’tD.won’t7.You_____himthenews;heknewitalready.A.needn’ttellB.needn’thavetoldC.mightn’ttellD.mightn’thavetold8.Asshe’snothere,Isupposeshe_____home.选校网“Icalledyouyesterday.Awomananswered,butIdidn’trecognizehervoice.”“Oh,it_____myauntJean.”A.mustbeB.musthavebeenC.mightbeD.canhavebeen11.I_______havemethimalongtimeago.Bothhisnameandfaceareveryfamiliar.A.mayB.canC.wouldD.should13.“Shallwegoshopping?”“Sorry,we_______buyanythingnowbecausenoneoftheshopsareopen.”A.mustn’tB.needn’tC.can’tD.shouldn’t14.Theyoftengototherestaurantsformeals.They_____beverypoor.A.mustn’tB.can’tC.maynotD.needn’t15.Ididn’tseeherinthemeetingroomthismorning.She______havespokenatthemeeting.A.mustn’tB.shouldn’tC.needn’tD.couldn’t17.He______thetestagain,inwhichcase,hismotherwillbeverydisappointed.A.mightfailB.musthavefailedC.shouldfailD.couldhavefailed18.“Whydidn’tshecometothemeetingyesterday?”“I’mnotsosure.She______ill.”A.shouldbeB.shouldhavebeenC.mustbeD.mighthavebeen19.Whydidyoujustsitandwatch?You_______me.A.couldhelpB.shouldhelpC.couldhavehelpedD.musthavehelped20.“You______yourteacherforhelp.Heiskind-hearted.”“Yes.Awholeday_______.”A.canask,willwaste