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2023年科学技术的利与弊.doc

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Iwillillustratesomeexamplestotalkabouttheadvantagesanddisadvantagesofscienceandtechnology. Atfirst,withthedevelopmentofscienceandtechnology,manythingsthatareusedtobedonebyhumansarenowdonebymachines.Forinstance,whenweareathome,wehavewashingmachinestowashourclothes,dishwasherstowashdishes.Whenweareworking,weusuallytakeabusordriveacarinsteadofcyclingtooffice.Wearemorelikelytotaketheelevatorinsteadofwalkingupstairs.Therefore,whetherweareathomeoratwork,wehavelessandlessphysicalactivities.Thisphysicalinactivitycanleadtomanyhealthriskssuchashypertension,heartdiseaseanddiabetes. Furthermore,computertechnologyandwidespreaduseofcomputershavemadeitpossibleforpeopletoshoponline.Ononehand,Itsavestimeandmoneytoshoponlinebecauseyoucanbuythegoodsyouwantbysimplyclickingyourmouse,notonlysavingthetroubletogotothestore,butalsohavingthegoodsdeliveredtoyourdoorstep,itisveryconvenient.Ontheotherhand,onlineshoppingcanalsoresultinmanyproblems.Forexample,itisverydangerousforshopaholics,inthepast,theydidn’thavetoworryaboutcontrollingtheiraddictionwhentheywereathome,however,nowadays,theyhavetofacewiththeiraddictivebehaviorsevenwhentheyareathome. Fromtheabovecomments,wecansaythatscienceandtechnologyisatwo-edgedsword.So,it'sofimportancetomakebestuseofitsadvantages,atthesametime,paymuchattentiontoworkoutwaystodealwiththeproblemscausedbyitsdisadvantages.