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1、專科大學(xué)英語(yǔ)1第一學(xué)期期末考試(A卷)PartIIReadingComprehension(30%)Directions:Therearefourpassagesinthispart.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).YoushoulddecideonthebestchoiceandmarkthecorrespondingletterontheAnswerSheetwithasingleline
2、throughthecenter.PassageOneScienceisnotasetofunquestionableresultsbutawayofunderstandingtheworldaroundus.Itsrealworkisslow.Thescientificmethod,asmanyofuslearnedinschool,isagradualprocessthatbeginswithapurposeorproblemorquestiontobeanswered.Itincludesalistofmaterials,aproceduretofollow,asetofo
3、bservationstomakeand,finally,conclusionstoreach.Inmedicine,whenanewdrugisproposedthatmightcureorcontroladisease,itisfirsttestedonalargerandomgroupofpeople,andtheirreactionsarethencomparedwiththoseofanotherrandomgroupnotgiventhedrug.Allreactionsinbothgroupsarecarefullyrecordedandcompared,andth
4、edrugisevaluated.Allofthistakestimeandpatience.It’stheresultofcourse,thatmakesthebestnews—nottheyearsofquietworkthatcharacterizethebulkofscientificinquiry.Afteranexperimentisconcludedoranobservationismade,theresultcontinuestobeexaminedcritically.Whenitissubmittedforpublication,itgoestoagroupo
5、fthescientist’scolleagues,whoreviewthework.Einsteinwasrightwhenhesaid:“Noamountofexperimentationcaneverprovemeright,asingleexperimentcanatanytimeprovemewrong.”InAugust1996,NASAannouncedthediscoveryinAntarcticaofameteorite（流星）fromMarsthatmightcontainevidenceofancientlifeonanotherworld.AsPresid
6、entClintonsaidthatday,thepossibilitythatlifeexistedonMarsbillionsofyearsagowaspotentiallyoneofthegreatdiscoveriesofourtime.Aftertheexcitementworedownandinitialpaperswerepublished,otherresearchersbeganlookingatsamplesfromthesamemeteorite.Someconcludedthatthe“evidenceoflife”wasmostlycontaminati
7、onfromAntarcticiceorthattherewasnothingorganicatallintherock.Wasthisafailureofscience,assomenewsreportstrumpeted?No!Itwasagoodexampleofthescientificmethodworkingthewayitissupposedto.Scientistsspendyearsonresearch,announcetheirfindings,andthes
