《科技英语》第四阶段在线作业(自测)试卷(47148)

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1、《科技英语》第四阶段在线作业（自测）试卷(47148)1．第1题  单选题    Pleasebearinmindthatcorrectconductionofprecautionscanreduceor______watersidecorrosiontotheminimum.A、exportB、diminishC、embraceD、entrap标准答案：B2．第2题  单选题  Itwasin2005_____webegantointroducethisnewtechniqueintoourcompany.　　　A、whichB、thenC、wh

2、enD、that标准答案：D3．第3题  单选题  WhenBobandhisfriendscame,we____oursupperthen.　　　A、hadB、werehavingC、haveD、arehaving标准答案：B4．第4题  单选题  ______issheinLondonthansheringsupheroldfriendMary.A、ScarcelyB、RarelyC、NosoonerD、Hardly标准答案：C5．第5题  单选题  Ifit_____tomorrow,wewillstayindoorstohaveourtra

3、iningclass.　　　A、rainsB、rainedC、willrainD、israining标准答案：A6．第6题  单选题  He____themathsexaminationifhehadworkedhardenough,buthedidn't.　　　A、wouldpassB、hadpassedC、wouldhavepassedD、passed标准答案：C7．第7题  单选题  Youmustspeakslowly,sothatyoucanmakeyourself________.A、understoodB、understandC、un

4、derstandingD、tounderstand标准答案：A8．第8题  单选题  Therearetworoomsinthehouse,____servesasakitchen.　　A、thesmallerofwhichB、thesmallerofthatC、thesmallestofwhichD、thesmallestofthat标准答案：A9．第9题  单选题  IknowJonathanquitewellandneverdoubt　　　　hecandoagoodjobofit.　　　A、whileB、thatC、whenD、what标准答

5、案：B10．第10题  单选题     Themethodsusedtoachievetheseaimswillbedescribedlater,and______canbeseenbroadlyasafocusingontoatarget.A、uptonowB、sofarC、asyetD、forthepresent标准答案：D11．第11题  单选题     Amarineshale,oncebelievedtobeablackmudrichinorganiccompounds,isacommonsourcerockto______oil.A、b

6、lockB、discoverC、originateD、prevent标准答案：C12．第12题  单选题  Heleftordersthatnothing______untilthepolicearrived.A、wastouchedB、hadbeentouchedC、shouldbetouchedD、wastobetouched标准答案：C13．第13题  单选题  Theyaretryingto______thewastedischargedbythefactoryforprofit.A、exposeB、exhaustC、exhibitD、ex

7、ploit标准答案：D14．第14题  单选题  Forthetimebeing,Philipscouldnotsaywhensuchaproductasthismightbe______available,however.A、verticallyB、commerciallyC、horizontallyD、rapidly标准答案：B15．第15题  单选题  BythetimehearrivesinBeijing,we________herefortwodays.A、willstayB、havebeenstayingC、willhavestayed

8、D、havestayed标准答案：C16．第16题  单选题  Everycountrytriestomaintaina(