高中英语unit2Healthyeating第2课时LearningaboutLan

高中英语unit2Healthyeating第2课时LearningaboutLanguage强化练习新人教版必修3Ⅰ.单项填空1．—Ididn'tgotoworkyesterdaybecausemycarbrokedown.—You________mine.Iwasn'tusingitthen.A．mightborrowB．shouldborrowC．musthaveborrowedD．couldhaveborrowed答案：D考查情态动词＋havedone。句意：——由于我的车坏了，昨天我没有去上班。——你本来能够用我的车，当时我并不用车。事情发生在过去，couldhavedone本来能够做……，暗含实际上没有做。musthavedone一定做了某事。结合句意选D。2．Sometimeshispresentjob________beboring,andhe________workforlonghoursaday.A．can;hastoB．may;canC．hasto;mayD．oughtto;must答案：A句意：有时他现在的工作有可能很没趣，并且他一天中还必须工作很长时间。can表示事情一时的可能性；haveto必须，不得不。3．Wearegivenaspecialholiday,sowe________gotoworktomorrow.A．can'tB．mustn'tC．needn'tD．shouldn't答案：C句意：我们有个特别的假期，所以我们明天不必去上班。can't不可能；mustn't绝不可以；needn't不必；shouldn't不应该。结合句意选C。4．(2014·银川高一检测)—Sorry,ProfessorSmith.Ididn'tfinishthepaperyesterday.—Oh,you________havedoneitasyesterdaywasthedeadline.A．mustB．mustn'tC．shouldD．shouldn't答案：C答语句意：哦，你本该做完的，因为昨天就是最后期限。此处用shouldhavedone表示本该做某事而实际上未做。5．—Whatdoyouthinkwecandoforouragedparents?—You________doanythingexcepttobewiththemandbeyourself.A．don'thavetoB．oughtn'ttoC．mustn'tD．can't答案：A句意：——你认为我们能为我们年老的父母做什么？——除了陪伴他们及顺其自然你不必做任何事。don'thaveto不必；oughtn'tto不应该；mustn't绝不可以；can't不可能。结合句意选A。6．(2014·长春高一检测)—Ididn'tseeherlastnightattheparty.—You________.Butyoucametoolate.A．couldhaveB．can'thaveC．musthaveD．oughthave答案：A句意：——我昨天晚上在聚会上没见到她。——你本能见到她的。但是你来得太晚了。此题考查couldhavedone，过去分词已省去。couldhavedone表示“过去本来可以做某事，但实际上没有做”。7．—MustIreturnthebookaweeklater?—Oh,no.You________.A．oughtn'ttoB．can'tC．won'tD．needn't答案：D句意：——我必须一周后还这本书吗？——哦，不，不必。must的疑问句的否定回答用needn't或don'thaveto。8．—Shelooksunhappy.________anythinghavehappenedtoher?—I'mnotsure,butIguesssomething________happened.A．May；musthaveB．Can；mayhaveC．Must;mayD．Should;mighthave答案：B句意：——她看起来不高兴。她可能出了什么事吗？——我不确定，但我想可能出了什么事。canhavedone可能做了某事，用于疑问句或否定句；mayhavedone可能做了某事，表示把握较小的推测，用于肯定句。9．(2013·辽宁高考)Harryisfeelinguncomfortable.He________toomuchatthepartylastnight.A．coulddrinkB．shoulddrinkC．wouldhavedrunkD．musthavedrunk答案：D考查情态动词的用法。句意：Harry感到不舒服。他一定是在昨晚的聚会上喝了太多的酒。由第一句中的“uncomfortable”及第二句中的时间状语“lastnight”提示，此处强调对过去发生动作的推测。用musthavedone。10．(2013·四川高考)—Whyareyoureyessored?You________havesleptwelllastnight.—Yeah,Istayeduplatewritingareport.A．can'tB．mustn'tC．needn'tD．won't答案：A考查情态动词的用法。句意：——你的眼为什么那么红？昨晚你肯定没睡好。——是的，我熬夜写一篇报道了。A项can'thavedone表示对过去的否定推测；B项表示“禁止，不允许”，不能用于对过去的推测；C项needn'thavedone表示过去不需要做某事(但却做了)；D项不能用于对过去的推测。由句中的“sored”及时间状语“lastnight”提示，此处强调对过去发生动作的否定推测。11．(2010·天津，9)Mark________havehurried.Afterdrivingattopspeed,hearrivedhalfanhourearly.A．needn'tB．wouldn'tC．mustn'tD．couldn't答案：A考查情态动词。句意：迈克本来不必那么匆忙的。这么高速驾驶之后，他提前半个小时到达了。根据后面的语境，提前半个小时到达，说明Mark本来不必那么匆忙，所以用needn'thavedone结构，表示“本来不必做某事而实际上做了”。12．(2011·全国卷Ⅰ，32)They________havearrivedatlunchtimebuttheirflightwasdelayed.A．willB．canC．mustD．should答案：D考查虚拟语气的用法。句意为：他们本该午饭时到达，但他们的航班推迟了。willhavedone将来可以完成；canhavedone可能做过……吗？表示对过去行为的怀疑，用于疑问句；musthavedone一定做过某事，表示对过去事情的肯定推测；shouldhavedone本来应该做某事，而实际没做。buttheirflightwasdelayed这样的结果，说明他们本来该到达却没有到达，因此选D。13．(2012·湖南，21)We'vehadagoodstart,butnext,moreworkneeds________toachievethefinalsuccess.A．beingdoneB．doC．tobedoneD．todo答案：C考查情态动词的用法。need既可用作情态动词也可用作实义动词，在本句中用作实义动词故排除B项；need后可接动名词的主动式表被动含义，若选A项，则需改为doing，needdoing＝needtobedone,故C项正确。14．(2012·新课标，30)I________useaclocktowakemeupbecauseatsixo'clockeachmorningthetraincomesbymyhouse.A．couldn'tB．mustn'tC．shouldn'tD．needn't答案：D本题考查情态动词。句意：我没有必要用闹钟来叫醒自己因为每天早上六点火车从我家旁边经过。couldn't意为“不能，不可能”；mustn't意为“不允许，禁止”；shouldn't意为“不应该”；needn't意为“不必”，符合语境，故D项为正确选项。15．(2010·湖南，23)You________buyagift,butyoucanifyouwantto.A．mustB．mustn'tC．havetoD．don'thaveto答案：D考查情态动词的用法。句意：你没有必要买礼物，但如果你想买的话，你也可以买。don'thaveto意为“没有必要”，符合语境。故选D。Ⅱ.根据句意，用适当的情态动词(can/oughtto/need/must/haveto)的适当形式填空1．One________crossthestreetagainsttheredlight.2．Hismotherisill,sohe________takecareofher.3．—Ihavetostayathomepreparingmylessons.—Butyou________.TomorrowisSunday.4．Mike'sfatherisill,butyou________tellhim,becauseheistotakeanimportantexamination.5．—It________bethatnaughtyboycryingoutside.—It________behim,becausehehasgonetoschool.6．—________Ifinishthetaskrightnow?—Yes,you________.7．Youwereoutenjoyingyourselfwhenyou________havebeenstudying.8．Ifyouarebusynow,youdon't________comewithus.答案：1.oughtnotto/mustn't2.hasto3.needn't/don'thaveto4.mustn't5.must；can't6.Must；must7．oughtto8.havetoⅢ.阅读理解APeoplediettolookmoreattractive.Fishdiettoavoidbeingbeatenup,thrownoutoftheirsocialgroup,andgettingeatenasaresult.ThatisthefascinatingconclusionofthelatestresearchintofishbehaviorbyateamofAustralianscientists.Theresearchteamhavediscoveredthatsubordinatefishvoluntarilydiettoavoidchallengingtheirlargercompetitors.“Instudyinggobieswenoticedthatonlythelargesttwoindividuals,amaleandfemale,hadbreeding(繁殖)rightswithinthegroup，”explainsMarianWong.“Allothergroupmembersarenonbreedingfemales,eachbeing5­10%smallerthanitsnextlargestcompetitor.Wewantedtofindouthowtheymaintainthisprecisesizeseparation.”Thereasonforthesizedifferencewaseasytosee.Onceasubordinatefishgrowstowithin5­10%ofthesizeofitslargercompetitor,itcausesafightwhichusuallyendsinthesmallergobybeingdrivenawayfromthegro