Unit1_Great_scientists单元测试

《Unit1_Great_scientists单元测试》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit1GreatscientistsI.单项选择1.Theinventionofsteamengine蒸汽机greatlyspeduptheindustrialrevolution,which_____alottothetake-offoftheworld.A.ledB.contributedC.constructedD.exposed2.Frommypointofview,thetheorythat______bythescientistisnotquitescientific.A.wasrisenB.broughtupC.hadbeenraisedD.wasputforward3.I

2、tisclearthatnousecanbemade______radium_____wedon’tknowclearlythecharacteristicsofit.A.from;ifB.of;unlessC.from;unlessD.of;if4.Wehaveto______everythingquestionindetail______wetakeaction.A.conclude;beforeB.makeanalysisof;whenC.expose;untilD.analyze;before5.Itwillbemanyyears______thedoctorsandmedicals

3、cientistscanfind_____forcancer.A.since;curesB.when;treatmentsC.before;curesD.until;treatments6.Afterseveralyearsofobservation,theresearchgroup______theconclusionthatlanguageacquisitionisfasterwhenstudents______tothesituationwhereitisspoken.A.hascometo;exposeB.havearrivedat;areexposedC.hasconcluded;

4、areexposedD.havereached;expose7.SamplesofbloodfromCholerainfectedpatientshavebeensenttothebloodcenter_______.A.tobecheckedB.tobeexaminedC.totestD.beingtested8.Ithasbeenannouncedbyourprovincialgovernmentthatanothertwomedicalteamswillbesentto______theinjuredpeopleinthesevereearthquake.A.jointoB.joini

5、nC.takepartinD.attend9.______theaidsfromtheoutside,thepositiveattitudeofthedisaster-strickenpeople_____thekeyroleinthereconstructionoftheirdestroyedtownsandvillages.A.Exceptfor;playsB.Besides;playC.Apartfrom;playsD.Except;play10.Bycarefulobservationandprecisecalculation,NicolausCopernicus_____thatt

6、hereisnoonecenterintheuniverseandthesunisthecenterofthesolarsystem.A.believedB.thoughtC.concludedD.imagined11.Throughthoroughinvestigation,Dr.JohnSnowwasfinallyabletoprovethattheoutbreakofCholera_____people’sdrinkingofpollutedwater.A.wascloselinkedwithB.closelylinkedtoC.wascloseconnectedwithD.wascl

7、oselylinkedwith12.Onlywhenpeoplehaveenoughtoeatandplentytowear_______totalkaboutenvironmentalprotection.A.itmakessenseB.doesitmakesenseC.thatitmakessenseD.dotheymakesense13.Thelocalpolicewere______bytheirau