大学英语六级阅读历年真题训练unit6(B)-医药卫生

大学英语六级阅读历年真题训练unit6(B)-医药卫生大学英语六级阅读历年真题训练unit6(B)免费？宅在家学英语？怎么报名？最牛英语口语培训模式：躺在家里练口语，全程外教一对一，三个月畅谈无阻！洛基英语，免费体验所有在线一对一课程：/ielts/xd.html（报名网址）Questions31to35arebasedonthefollowingpassage:Itisacuriousparadoxthatwethinkofthephysicalsciencesas“hard”,thesocialsciencesas“soft”,andthebiologicalsciencesassomewhereinbetween.Thisisinterpretedtomeanthatourknowledgeofphysicalsystemsismorecertainthanourknowledgeofbiologicalsystems,andtheseinturnaremorecertainthanourknowledgeofsocialsystems.Intermsofourcapacitytosampletherelevantuniverses,however,andtheprobabilitythatourimagesoftheseuniversesareatleastapproximatelycorrect,onesuspectsthatareverseorderismorereasonable.Weareabletosampleearth'ssocialsystemswithsomedegreeofconfidencethatwehaveareasonablesampleofthetotaluniversebeinginvestigated.Ourknowledgeofsocialsystems,therefore,whileitisinmanywaysextremelyinaccurate,isnotlikelytobeseriouslyoverturnedbynewdiscoveries.Eventhefolkknowledgeinsocialsystemsonwhichordinarylifeisbasedinearning,spending,organizing,marrying,takingpartinpoliticalactivities,fightingandsoon,isnotverydissimilarfromthemoresophisticatedimagesofthesocialsystemderivedfromthesocialsciences,eventhoughitisbuiltupontheveryimperfectsamplesofpersonalexperience.Incontrast,ourimageoftheastronomicaluniverse,orevenofearth'sgeologicalhistory,caneasilybesubjecttorevolutionarychangesasnewdatacomesinandnewtheoriesareworkedout.Ifwedefinethe“securityourimage”ofvariouspartsofthetotalsystemastheprobabilityoftheirsufferingsignificantchanges,thenwewouldreversetheorderofhardnessandseethesocialsciencesasthemostsecure,thephysicalsciencesastheleastsecure,andagainthebiologicalsciencesassomewhereinbetween.Ourimageoftheastronomicaluniverseistheleastsecureofallsimplybecauseweobservesuchafantasticallysmallsampleofitanditsrecord-keepingistrivialascomparedwiththerichrecordsofthesocialsystems,oreventhelimitedrecordsofbiologicalsystems.Recordsoftheastronomicaluniverse,despitethefactthatweseedistantthingsastheywerelongago,arelimitedintheextreme.Eveninregardtosuchacloseneighbourasthemoon,whichwehaveactuallyvisited,theoriesaboutitsoriginandhistoryareextremelydifferent,contradictory,andhardtochooseamong.Ourknowledgeofphysicalevolutionisincompleteandhighlyinsecure.31.Theword“paradox”(Para.1,Line1)means“”A)implicationB)contradictionC)interpretationD)confusionAccordingtotheauthor,weshouldreverseourclassificationofthephysicalsciencesas“hard”andthesocialsciencesas“soft”because.A)areverseorderingwillhelppromotethedevelopmentofthephysicalsciences大学英语六级阅读历年真题训练unit6(B)免费？宅在家学英语？怎么报名？ourknowledgeofphysicalsystemsismorereliablethanthatofsocialsystemsourunderstandingofthesocialsystemsisapproximatelycorrectwearebetterabletoinvestigatesocialphenomenathanphysicalphenomenaTheauthorbelievesthatourknowledgeofsocialsystemsismoresecurethanthatofphysicalsystemsbecause.A)itisnotbasedonpersonalexperienceB)newdiscoveriesarelesslikelytooccurinsocialsciencesC)itisbasedonafairlyrepresentativequantityofdataD)therecordsofsocialsystemsaremorereliableThechancesofthephysicalsciencesbeingsubjecttogreatchangesarethebiggestbecause.A)contradictorytheorieskeepemergingallthetimeB)newinformationisconstantlycominginC)thedirectionoftheirdevelopmentisdifficulttopredictD)ourknowledgeofthephysicalworldisinaccurateWeknowlessabouttheastronomicaluniversethanwedoaboutanysocialsystembecause.theoriesofitsoriginandhistoryarev