根据以下材料,回答题 ToliveintheUnitedStatestodayistogainanappreciationforDahrendorf′sassertionthatsocialchangeexistseverywhere.Technology,theapplicationofknowledgeforpracticalends,isamajorsourceofsocialchange. Yetwewoulddowelltoremindourselvesthattechnologyisahumancreation;itdoesnotexistnaturally.Aspearorarobotisasmuchaculturalasaphysicalobject.Untilhumansuseaspeartohuntgameorarobottoproducemachineparts,neitherismuchmorethanasolidmassofmatter.Forabirdlookingforanobjectonwhichtorest,aspearorrobotservesthepurposeequallywell.TheexplosionoftheChallengerspaceshuttleandtheRussiannuclearaccidentatChemobyldrivehomethehumanqualityoftechnology;theyprovidecasesinwhichwell-plannedsystemssuddenlywenthaywireandtherewasnoreadyhandtosetthemright.Sincetechnologyisahumancreation,weareresponsibleforwhatisdonewithit.Pessimistsworrythatwewilluseourtechnologyeventuallytoblowourworldandourselvestopieces.Buttheyhavebeensayingthisfordecades,andsofarwehavemanagedtosurviveandevenflourish.Whetherwewillcontinuetodosointheyearsaheadremainsuncertain.Clearly,theimpactoftechnologyonourlivesdeservesacloserexamination. Fewtechnologicaldevelopmentshavehadagreaterimpactonourlivesthanthecomputerrevolution.Scientistsandengineershavedesignedspecializedmachinesthatcandothetasksthatonceonlypeoplecoulddo.Therearethosewhoassertthattheswitchtoaninformation-basedeconomyisinthesamecampasothergreathistoricalmilestones,particularlytheIndustrialRevolution.YetwhenweaskwhytheIndustrialRevolutionwasarevolution,wefindthatitwasnotthemachines.Theprimaryreasonwhyitwasrevolutionaryisthatitledtogreatsocialchange.Itgaverisetomassproductionand,throughmassproduction,toasocietyinwhichwealthwasnotconfinedtothefew. Insomewhatsimilarfashion,computerspromisetorevolutionizethestructureofAmericanlife,particularlyastheyfreethehumanmindandopennewpossibilitiesinknowledgeandcommunication.TheIndustrialRevolutionsupplementedandreplacedthemusclesofhumansandanimalsbymechanicalmethods.Thecomputerextendsthisdevelopmenttosupplementandreplacesomeaspectsofthemindofhumanbeingsbyelectronicmethods.Andit′sthecapacityofthecomputerforsolvingproblemsandmakingdecisionsthatrepresentsitsgreatestpotentialandthatposesthegreatestdifficultiesinpredictingtheimpactonsociety. Theauthorconsiderstheintroductionofthecomputerasarevolutionmainlybecause________.查看材料
A.it gives rise to mass production B.it can do the tasks that could only bedone by people before C.it has helped to switch to an informationtechnology D.it has a great potential impact onsociety正确答案D