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1、Unit3第三课时LearningaboutLanguageⅠ.完成句子1．Anewteachingbuilding________________________________(已经被建造)inourschool.2．ProfessorJameswillgiveusalecture,butwhenandwhere________________________(还没有确定)．3．Althoughthecausesofcancer______________________(已经被揭示),wedon'tyetha
2、veanypracticalwaystopreventit.4．Thestudents________________________(已经被告诉)tolookaftertheirdesksandchairs.5．Everypossiblemeans________________________(已经被尝试)bythecompanytobringdownthewholesalepriceofitsproducts.答案：1.has,been,set,up 2.hasn't,been,decided 3.have,
3、been,uncovered 4.have,been,told 5.has,been,triedⅡ.句型转换1．Thestormhascausedmillionsofpounds'worthofdamage.Millionsofpounds'worthofdamage________________________bythestorm.2．Momhascleanedthewindowforweeks.Thewindow________________________forweeks.3．Tomhasgivenmet
4、woticketsforthenewplay.Wouldyouliketogowithme?I________________________twoticketsforthenewplay.Wouldyouliketogowithme?4．Thestandardofthenation'sliteratureandarthasattractedwidespreadattention.Widespreadattention________________________bythestandardofthenation'
5、sliteratureandart.5．Thegovernmenthassetupagreatnumberofcollegesanduniversitiessince2000.Agreatnumberofcollegesanduniversities________________________________bythegovernmentsince2000.答案：1.has,been,caused 2.has,been,cleaned3．have,been,given 4.has,been,attracted
6、5.have,been,set,upⅢ.单项填空1．Asthepreparationforthetask________，we'rereadytostart.A．completed B．completesC．hadbeencompletedD．hasbeencompleted答案：D 题意：当为工作所做的准备都已完成，我们就准备开始了。因为prepare与complete构成逻辑上的动宾关系，所以应该用被动语态，故可排除A、B两项；又因为主句用的是一般现在时，故从句不可能用过去完成时，故排除C项。2．Th
7、etwonewrailwaylines________bynow.A．hascompletedB．havecompletedC．havebeencompletedD．hasbeencompleted答案：C 由时间状语bynow可知用现在完成时；由于主语与complete构成逻辑上的动宾关系，故C项正确。3．Itisreportedthatanewtypeofcarwhichcansave30%ofthepetrol________anditwillbewellreceived.A．hasbeenproducedB
8、．hasproducedC．haveproducedD．produced答案：A 现在完成时的被动语态表示截止到目前为止的动作，由于主语和produce构成动宾关系，需用被动语态，故A项正确。4．—Whathappenedtothatwomansellingnewspapers?—Idon'tknow.She________aroundhereforalon
