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大学英语B2一、交际英语1、-Thisboxistooheavyformetocarryitupstairs.-_______A：Youmayaskforhelp.B：I'llgiveyouahand.C：Pleasedomeafavor.D：I'dcometohelp.答案：B2、-Unbelievable!Ihavefailedthedrivingtestagain!-_______Thisisnottheendoftheworld.A：Goodluck.B：Cheerup.C：Goahead.D：Noproblem.答案：B3、-Whydidn'tyoucometomybirthdaypartyyesterday?-________A：Excuseme,myfriendsentmeaflower.B：Fine,Inevergotobirthdayparties.C：Ha…ha,Ilikeswimming.D：Sorry,butmywifehadacaraccident.答案：D4、--Hello,mayIhaveanappointmentwiththeheadmaster?--_______________.A：Sorry,Idon'tknowyouB：No,youcan'tC：Certainly.Waitaminute,pleaseD：Letmesee答案：C5、--Iwenttothebeachandgotplentyofrest.--___________.YoulookedtiredlasttimeIsawyou.A：IhopesoB：ReallyC：I'mgladyoudidD：Thesoundwasnice答案：C二、阅读理解1、LawshavebeenwrittentogoverntheuseofAmericanNationalFlag,andtoensureproperrespectfortheflag.Customhasalsogovernedthecommonpracticeinregardtoitsuse.Allthearmedserviceshavepreciseregulationsonhowtodisplaythenationalflag.Thismayvarysomewhatfromthegeneralrules.Thenationalflagshouldberaisedandloweredbyhand.Donotraisetheflagwhileitisfolded.Unfoldtheflagfirst,andthenhoistitquicklytothetopoftheflagpole.Loweritslowlyandwithdignity.Placenoobjectsonorovertheflag.Donotusetheflagaspartofacostumeorathleticuniform.Donotprintituponcushions,handkerchiefs,papernapkinsorboxes.Afederallawprovidesthatthetrademarkcannotberegisteredifitcomprisestheflag,orbadgersoftheUS.Whentheflagisusedtounveilastatueormonument,itshouldn'tserveasacoveringoftheobjecttobeunveiled.Ifitisdisplayedonsuchoccasions,donotallowtheflagtofalltotheground,butletitbecarriedhighupintheairtoformafeatureoftheceremony.Takeeveryprecautiontopreventtheflagfromsoiled.Itshouldnotbeallowedtotouchthegroundorfloor,nortobrushagainstobjects.(1)、HowdoAmericansensureproperrespectforthenationalflag?_________A：Bymakinglaws.B：Byenforcingdiscipline.C：Byeducatingthepublic.D：Byholdingceremonies.答案：A(2)、WhatistheregulationregardingtheraisingoftheAmericanNationalFlag?_________A：Itshouldberaisedbysoldiers.B：Itshouldberaisedquicklybyhand.C：ItshouldberaisedonlybyAmericans.D：Itshouldberaisedbymechanicalmeans.答案：B(3)、HowshouldtheAmericanNationalFlagbedisplayedatanunveilingceremony?_________A：Itshouldbeattachedtothestatus.B：Itshouldbehungfromthetopofthemonument.C：Itshouldbespreadovertheobjecttobeunveiled.D：Itshouldbecarriedhighupintheair.答案：D(4)、WhatdowelearnabouttheuseoftheAmericanNationalFlag?_________A：Therehasbeenalotofcontroversyovertheuseofflag.B：Thebestathletescanwearuniformswiththedesignoftheflag.C：Therearepreciseregulationsandcustomstobefollowed.D：Americanscanprinttheflagontheircushionsorhandkerchiefs.答案：C(5)、WhatisAmericans'attitudetowardstheirNationalFlag?_________A：Arbitrary.B：Respect.C：Happy.D：Brave.答案：B2、Whatmakesapersonascientist?Doeshehavewaysortoolsoflearningthataredifferentfromthoseofothers?Theanswerisno.Itisnotthetoolsascientistusesbuthowheusesthesetoolsthatmakeshimascientist.Youwillprobablyagreethatknowinghowtouseapowerisimportanttoacarpenter.Youwillprobablyagree,too,thatknowinghowtoinvestigate,howtodiscoverinformation,isimportanttoeveryone.Thescientist,however,goesonestepfurther,hemustbesurethathehasareasonableanswertohisquestionsandthathisanswercanbeconfirmedbyotherpersons.Healsoworkstofittheanswershegetstomanyquestionsintoalargesetofideasabouthowtheworldworks.Thescientist'sknowledgemustbeexact.Thereisnoroomforhalfrightorrightjusthalfthetime.Hemustbeasnearlyrightastheconditionspermit.Whatworksunderonesetofconditionsatonetimemustworkunderthesameconditionsatothertimes.Iftheconditionsaredifferent,anychangesthescientistobservesinademonstrationmustbeexplainedbythechangesintheconditions.Thisisonereasonthatinvestigationsareimportantinscience.AlbertEinstein,whodevelopedtheTheoryofRelativity,arrivedatthistheorythroughmathematics.Theaccuracyofhismathematicswaslatertestedthroughinvestigations,Einstein'sideaswereshowntobecorrect.Ascientistusesmanytoolsformeasurements.Thenthemeasurementsareusedtomakemathematicalcalculationsthatmaytesthisinvestigations.(1)、Whatmakesascientistaccordingtothepassage?________A：Thetoolsheuses.B：Thewayheuseshistools.C：Hiswaysoflearning.D：Thevarioustoolsheuses.答案：B(2)、Theunderlinedpartinthepassageshows_______.A：theimportanceofinformationB：theimportanceofthinkingC：thedifferencebetweenscientistsandordinarypeopleD：thedifferencebetweencarpentersandpeoplewithotherjobs.答案：C(3)、Asoundscientifictheoryshouldbeonethat_________.A：worksnotonlyunderonesetofconditionsatonetime,butalsounderthesameconditionsatothertimesB：doesnotallowanychangesevenunderdifferentconditionsC：canbeusedformanypurposesD：leavenoroomforimprovement答案：A(4)、TheauthorquotesthecaseofAlbertEinsteintoillustrate__________.A：thatmeasurementsarekeystosuccessinscienceB：thataccuracyofmathematicsC：thatinvestigationsareimportantinscienceD：thatthemathematicalcalculationsmaytesthisinvestigations答案：C(5)、Whatisthemainideaofthepassage?________A：Thetheoryofrelativity.B：Exactnessisthecoreofscience.C：Scientistsaredifferentfromordinarypeople.D：Exactnessandwaysofusingtoolsarethekeystothemakingofasc