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1、Ⅰ.VocabularyandStructure1.Ifit______toomuchtrouble,I'dloveacupoftea.A.isn't ??????B.wasn't ??????C.weren't ??????D.hadn'tbeen2._________itornot,hisdiscoveryhadcreatedastirinscientificcircles.A.Believe ?? B.Believing ??????C.Tobelieve ???? D.Believed3.On
2、ceenvironmentaldamage__________,ittakesmanyyearsforthesystemtorecover. A.hasdone???? B.istodo?????? C.does ??????????D.isdone4.Governmentcannotoperateeffectively_____itisfreefromsuchinterference. A.solongas???? B.sothat ?????? C.unless ?????? ??D.because5
3、.Thefifthgenerationcomputers,withartificialintelligence,_______andperfectednow. A.developed B.havedeveloped ????C.arebeingdeveloped??D.willhavebeendeveloped6.Iboughtanewhouse,butI_________myoldoneyet,soatthemomentIhavetwohouses. A.didn'tsell ?? ??B.sold ?
4、??????? C.haven'tsold ????D.wouldsell??7.GreatasNewtonwas,manyofhisideas___________todayandarebeingmodifiedbytheworkofscientistsofourtime. A.aretochallenge?? B.maybechallenged????C.havebeenchallenged??D.arechallenging8.Itseemsoil___________fromthispipeforsom
5、etime.We'llhavetotakethemachineaparttoputitright. A.hadleaked ????B.isleaking ?????? C.leaked ?????? D.hasbeenleaking9.IdecidedtogotothelibraryassoonasI_______. A.finishwhatIdid??????????????????B.finishedwhatIdidC.wouldfinishwhatIwasdoing??????????D.finish
6、edwhatIwasdoing10.Untilthen,hisfamily_________fromhimforsixmonths. A.didn'thear ????B.hasn'tbeenhearing????C.hasn'theard D.hadn'theard11.Mary'sscoreonthetestisthehighestinherclass;she____havestudiedveryhard.??A.may ??????B.should???????? C.must ????????
7、D.oughtto12.You_____herinhereofficelastFriday;she'sbeenoutoftownfortwoweeks. ??A.needn'thaveseen??B.musthaveseen?? ??C.mighthaveseen ??D.can'thaveseen13.Theroomisinterriblemess;it_________cleaned. A.can'thavebeen????B.shouldn'thavebeen C.mustn'thavebeen
8、????D.wouldn'thavebeen14.Shewasthankfulthatshe'dhadherbabyinhospital;otherwise,shethought,thebaby_____. ??A.died ?? B.haddied ??????C.mighthavedied ?? D.mightdie15.You______allthosecalculations
