quiz for unit 6

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1、sQuizforUnit6练习一.词汇与辨析1.Ahousewithadangerousgas_______canbebrokenintoimmediately.A.leakB.splitC.messD.crack2.TheEuropeanUnioncountrieswereonceworriedthattheywouldnothave_______suppliesofpetroleum.A.proficientB.efficientC.potentialD.sufficient3.Isufferedfrommental_______becauseofstressfrommyjob.A

2、.damageB.releaseC.reliefD.fatigue4.Itishardtotellwhetherwearegoingtohaveaboomintheeconomyor_______.A.submissionB.concessionC.recessionD.transmission5.Mostpeopletendtothinktheyaresoefficientattheirjobthattheyare_______.A.irreversibleB.irreplaceableC.immovableD.inaccessible6.TheBritishQueenisthe__

3、_____ofGermanPresident.A.equivalentB.opponentC.counterpartD.rival7.Shespeakswithastrongeastern_______,makingitdifficultforwesternerstounderstandher.A.toneB.accentC.languageD.dialect8.Toimpressafutureemployer,oneshoulddressneatly,be_______,andshowinterestinthejob.A.swiftB.instantC.timelyD.punctua

4、l9.Whenshe_______acrossthetableforthebutter.Sheknockeddownabottleofwine.A.shelteredB.stretchedC.straddledD.strode10.Don’ttalklikethattoyourmother,ortoanyoneelse_______.A.infineformB.firstofallC.inthefleshD.forthatmatter练习二阅读理解Questions11to15arebasedonthefollowingpassage.Designofallthenewtoolsand

5、implementsisbasedoncarefulexperimentswithelectronicinstruments.First,ahuman“guineapig”istestedusingaregulartool.Measurementsaretakenoftheamountofworkdone,andthebuildupofheatinthebody.Twistedjointsandstretchedmusclescannotperformaswell,ithasbeenfound,asjointsandmusclesintheirnormalpositions.Thesa

6、mepersonisthentestedagain,usingatooldesignedaccordingtothesuggestionsmadebyDr.Tichauer.Allthesetestshaveshownthegreatimprovementofthenewdesignsovertheold.OneoftheelectronicinstrumentsusedbyDr.Tichauer,themyograph(肌动记器),makesvisiblethroughelectricalsignalstheworkdonebyhumanmuscle.Anothermachineme

7、asuresanydangerousfeaturesoftools,thusprovinginformationuponwhichtobaseanewdesign.Oneconclusionoftestsmadewiththismachineisthatatripodstepladderismorestableandsafertousethanonewithfourlegs.Thisworkhasattractedtheattentionofe