在线英语考试题1,
Whatmakesapersonascientist?Doeshehavewaysortoolsoflearningthataredifferentfromthoseofothers?Theansweris"no".Itisnotthetoolsascientistuses
buthowheusesthesetoolsthatmakeshimascientist.Youwillprobablyagreethatknowinghowtouseapowerisimportanttoacarpenter.Youwillprobablyagree,too,
thatknowinghowtoinvestigate,howtodiscoverinformation,isimportanttoeveryone.Thescientist,however,goesonestepfurther,hemustbesurethathehasa
reasonableanswertohisquestionsandthathisanswercanbeconfirmedbyotherpersons.Healsoworkstofittheanswershegetstomanyquestionsintoalargesetofideas
abouthowtheworldworks.
Thescientistˊsknowledgemustbeexact.Thereisnoroomforhalfrightorrightjusthalfthetime.Hemustbeasnearlyrightastheconditionspermit.Whatworks
underonesetofconditionsatonetimemustworkunderthesameconditionsatothertimes.Ifthecon?ditionsaredifferent,anychangesthescientistobservesina
demonstrationmustbeexplainedbythechangesintheconditions.Thisisonereasonthatinvestigationsareimportantinsci?ence.AlbertEinstein,whodevelopedthetheory
ofrelativity,arrivedatthistheorythroughmathematics.Theaccuracyofhismathematicswaslatertestedthroughinvestigations,Einsteinˊsideaswereshowntobe
correct.Ascientistusesmanytoolsformeasurements.Thenthemeasurementsareusedtomakemathematicalcalculationsthatmaytesthisinvestigations.
1.Whatmakesascientistaccordingtothepassage?
A)Thetoolsheuses.
B)Thewayheuseshistools.
C)Hiswaysoflearning.
D)Thevarioustoolsheuses.
2."Thescientist,however,goesonestepfurther…"Theauthorsaysthistoshow_________.
A)theimportanceofinformation
B)theimportanceofthinking
C)thedifferencebetweenscientistsandordinarypeople
D)thedifferencebetweencarpentersandpeoplewithotherjobs
3.Asoundscientifictheoryshouldbeonethat____________.
A)worksnotonlyunderonesetofconditionsatonetime,butalsounderthesameconditionsatother