高中英语人教版必修3 双基限时练10

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1、www.ks5u.com双基限时练(十)　Unit4　PartⅠⅠ.单词拼写1.Hewasinterestedina________andalwaysstayedupatnighttowatchthestars.答案　astronomy2.OnMay12,2008,anv________earthquakestruckWenchuanCounty,Sichuan,China.答案　violent3.Computerhackershavebrokendownsecuritys________，raising

2、questionsaboutthesafetyofinformation.答案　system4.Themixtureofgasesthatsurroundtheearthiscalleda________.答案　atmosphere5.Formingagoodhabitofstudyingis________(基础)toone'sachievementsintheyearstocome.答案　fundamental6.Hestucktohis________(理论)anditprovedtobecorre

3、ctatlast.答案　theory7.Thisproduces________(连串)ofreactions.答案　chain8.Smokingish________toyourhealth.答案　harmful9.Ifyoum________4by5,theansweris20.答案　multiply10.Nowwestilldon'tknowwhetherlifee________onMars.答案　existsⅡ.单句语法填空(不多于3个单词)1．Iadviseyoutogiveupsmoking

4、,forsmokingis________(harm)tohealth.答案与解析　harmful　句意：我建议你戒烟，因为抽烟有害健康。此处应填其形容词形式。2．Weusuallytaketurns________(do)cleaning,andtodayitismyturn________(do)it.答案与解析　todo;todo　考查搭配taketurnstodosth.“轮流干某事”及Itisone'sturntodosth.“轮到某人干某事”。3．Thereisa________(puzzle

5、)lookonherface.Actually,shefelt________(puzzle)aboutallofthis.答案与解析　puzzled;puzzled　puzzled“感到困惑的”，puzzling“令人困惑的”。4．Thenovelwrittenbytheauthorsellsbest,butfiveyearsagonoonecouldhaveimaginedhowgreatarolehewas________(play)intheliteraryworld.答案与解析　toplay　w

6、astoplay表示后来将要发生的事情。5．________Alicewillbeabletogethelpfortherescueisnotcertainyet.答案与解析　Whether　whether(是否)在句中引导主语从句。if作“是否”解，引导主语从句时，从句不能位于句首。6．AsthebusiestwomaninNorton,shemade________herdutytolookafteralltheotherpeople'saffairsinthattown.答案与解析　it　it在句中

7、作形式宾语，真正的宾语为后面的不定式短语。7．Cindydidn'tleavetheofficelastnight________shefinishedherjob.答案与解析　until　句意：辛迪昨晚直到完成了工作才离开办公室。not...until“直到……才”，until引导的时间状语从句中用短暂性动词。8．Althoughthetrafficwasheavy,Imanagedtobe________timefortheimportantlecture.答案与解析　in　句意：尽管遇到了交通堵塞，

8、我还是设法及时地参加了那个重要的讲座。intime“及时”，符合句意。9．Beforeshegoestoclass,sheusuallychainsherbike________atree.答案与解析　to　chain...to...“用链子把……拴在……上”。10．Itis________(unlike)thathewillcometohelpsoonbecausehehasjustgoneout.答案与解析　unlikel