Whatmakesapersonascientist？Doeshehavewaysortoolsoflearningthataredifferentfromthoseofothers？Theansweris“no”.Itisn’tthetoolsascientistusesbuthowheusesthesetoolswhichmakehimascientist.Youwill

　　Whatmakesapersonascientist？Doeshehavewaysortoolsoflearningthataredifferentfromthoseofothers？Theansweris“no”.Itisn’tthetoolsascientistusesbuthowheusesthesetoolswhichmakehimascientist.Youwillprobablyagreethatknowinghowtouseapowerisimportanttoacarpenter(木匠).Youwillprobablyagree，too，thatknowinghowtoinvestigate(调查)，howtodiscoverinformation，isimportanttoeveryone.Thescientist，however，goesonestepfurther；hemustbesurethathehasareasonableanswertohisquestionsandthathisanswerhegetstomanyquestionsisintoalargesetofideasabouthowtheworldworks.?

　　Thescientist’sknowledgemustbeexact.There’snoroomforhalfrightorrightjusthalfthetime.Hemustbeasnearlyrightastheconditionspermit.Whatworksunderonesetofconditionsatonetimemustworkunderthesameconditionsatothertimes.Iftheconditionsaredifferent，anychangesthescientistobservesinademonstration(实证)mustbeexplainedbythechangesintheconditions.Thisisonereasonwhyinvestigationsareimportantinscience.AlbertEinstein，whodevelopedtheTheoryofRelativity，arrivedatthistheorythroughmathematics.Theaccuracy(正确性)ofhismathematicswaslatertestedthroughinvestigation.Einstein’sideaswereprovedtobecorrect.Ascientistusesmanytoolsformeasurements.Thenthemeasurementsareusedtomakemathematicalcalculations(计算)thatmaytesthisinvestigations.

　　小题1:Whatmakesascientistaccordingtothepassage？A．Thetoolsheuses.B．Hiswaysoflearning.C．Thewayheuseshistools.D．Thevarioustoolsheuses.小题2:“...knowinghowtoinvestigate，howtodiscoverinformation，isimportanttoeveryone.”Thewritersaysthistoshow_______.A．theimportanceofinformationB．thedifferencebetweenscientistsandordinarypeopleC．theimportanceofthinkingD．thedifferencebetweencarpentersandordinarypeople小题3:Asound（合理的）scientifictheoryshouldbeonethat_______.A．worksunderonesetofconditionsatonetimeandalsoworksunderthesameconditionsatothertimesB．d