2013高中英语 unit21 human biology section ⅳ 专题练习课下作业 北师大版选修7

【三维设计】2013高中英语UNIT21HUMANBIOLOGYSECTION专题练习课下作业北师大版选修7用适当的情态动词填空1TOMCOMESFROMAUSTRALIAANDHECANSPEAKENGLISHVERYWELL2IHEARDYOUBOUGHTANEWBOOKMAYIHAVEALOOK3IFYOUCANPASSTHEDRIVINGTEST,YOUSHALLGETANEWCAR4ITISSUNNYTODAYWENEEDNTTAKEANUMBRELLA5WOULDYOULIKETOHAVEADINNERWITHME6MUSTWEFINISHTHECOMPOSITIONINCLASSNO,YOUNEEDNT/DONT_HAVE_TO7YOUNEEDNTREADTHATBOOKIFYOUDONTWANTTO8MUST/NEEDIWATERTHETREESONTUESDAYNO,YOUNEEDNT9HEISSOSTRONGTHATIDARE_NOTFIGHTAGAINSTHIM10WEOUGHT_TOHAVERECEIVEDTHELETTERYESTERDAY,BUTITDIDNTARRIVE完成句子1菲利普可能已经在交通事故中严重受伤了。PHILIPMAY_MIGHT_HAVE_BEEN_HURTSERIOUSLYINTHECARACCIDENT2她不需要上场了，因为比赛被取消了。SHEDIDNT_NEED_TO_PLAYBECAUSETHEMATCHWASCANCELLED3他本没必要带食物来聚会的，因为足够了。HENEEDNT_HAVE_BROUGHTANYFOODTOTHEPARTYBECAUSETHEREWASPLENTYALREADY4汤姆一定已经吃了蛋糕了，因为他的嘴上有些蛋糕。TOMMUST_HAVE_EATENTHECAKE,FORTHEREISSOMEONHISMOUTH5如果你跟着他学，你本可以向他学到更多东西的。YOUMIGHT_HAVE_LEARNEDMOREFROMHIM,IFYOUHADFOLLOWEDHIM单项填空1ALTHOUGHTHIS_SOUNDLIKEASIMPLETASK,GREATCAREISNEEDEDAMUSTBMAYCSHALLDSHOULD解析选B。句意尽管这听起来像是很简单的任务，但细心还是必要的。MAY表推测“可能”。2THEREISNOLIGHTONTHEY_BEATHOMEAMUSTNTBCANTCNEEDNTDSHOULDNT解析选B。句意灯不亮他们不可能在家。CAN用于否定句或疑问句中，表推测“不可能”，MUST表推测时，不用于疑问句或否定句中。3WHO_ITBETHATISKNOCKINGATTHEDOORIT_BEFATHER,BUTIMNOTSUREACANMUSTBMUSTCANCCANMAYDMAYMUST解析选C。第一个空CAN用于疑问句中表推测；第二个空受IMNOTSURE限制，只能用MAY表推测“可能”；MUST表推测“一定”。4SHEWASAGOODSWIMMER,SOSHE_SWIMTOTHERIVERBANKWHENTHEBOATSANKACOULDBMIGHTCSHALLDWASABLETO解析选D。句意她游泳游得很好，所以小船下沉的时候她能游到河岸。COULD和WASABLETO都表能力，但COULD表示一般的能力，表示过去有能力并干成了某事只用WAS/WEREABLETO。5WHY_WEEATOUTSIDE_WEHAVESOMUCHDELICIOUSFOODATHOMEAMUSTWHENBCANWHILECWILLASDSHOULDTHOUGH解析选A。句意既然我们家里有这么多好吃的东西，干嘛偏要出去吃呢MUST表示“偏要，偏偏”；WHEN在这里是“既然”的意思。6HEDIDNOTREGRETSAYINGWHATHEDIDBUTFELTTHATHE_ITDIFFERENTLYACOULDEXPRESSBWOULDEXPRESSCCOULDHAVEEXPRESSEDDMUSTHAVEEXPRESSED解析选C。考查情态动词。句意他并不遗憾说了他做的事，而是感觉他本来能用不同的方式表达。COULDHAVEDONESTH意为“本来能够做某事，其实没做”，符合语境，故选C。7THELITTLEGIRL_GODOWNSTAIRSALONEWHENHERPARENTSWEREOUTADIDNTDARETOBDAREDNOTCDARENOTTODDARENOT解析选B。考查情态动词。句意当她的父母不在家时，这个小女孩不敢单独到楼下。DARE作情态动词时后面要跟动词原形，排除C；而D时态不对，排除D；而A项中DARE用作实义动词，后面应用动词原形。8IFYOUHADSPOKENTOHIMLASTTIMEYOUSAWHIM,YOU_WHATTODONOWAWOULDHAVEKNOWNBSHOULDHAVEKNOWNCWOULDKNOWDMAYKNOW解析选C。考查虚拟语气。句意如果上次你见他时跟他说话，现在你就知道做什么了。根据语境可知主句是对现在情况的一种虚拟，要用WOULD动词原形，故选C。9WHATDOYOUTHINKWECANDOFOROURAGEDPARENTSYOU_DOANYTHINGEXCEPTTOBEWITHTHEMANDBEYOURSELFAMUSTNTBOUGHTNTTOCDONTHAVETODCANT解析选C。考查情态动词。句意“你认为我们能为我们年老的父母做些什么”“除了陪他们并且自己好好的，你没有必要做任何事”。DONTHAVETODO“没有必要做某事”，符合语境，故选C。10YOU_FURTHERINTOTHISMATTERIFSO,YOU_KNOWWHODIDITNOWAMUSTHAVEENQUIREDWILLBSHOULDHAVEENQUIREDWOULDCCOULDHAVEENQUIREDWILLDSHOULDNTHAV