求一篇关于科技利弊的英语作文,80词

Therapiddevelopmentofscienceandtechnologyhasbroughtaboutgreatchangestohumanlife.Thegreatbenefitsbroughtaboutbythisprogressishailedineverycorneroftheworld.Newelectronicapplianceshavemadeourlifesimplerthaneverbefore.Newinventionshavehelpedustoorganizeourdailyactivities.Ourjobcanbedonefaster.MobilesandQQhavemadeiteasiertocommunicatewithotherpeople.Internethasenabledustoknowandunderstandothercultureandsocietybetter.

However,Thedisadvantagesaboutthisdevelopmentshouldnotbeneglected.Someofscientificinventionshaveevencausedgreatharmsordisasterstomankind.Forexample,advancedtechnologycanbeeasilymanipulatedbyirresponsiblepersons.Besides,We'llbetoodependantonit.Whentechnologyfails,wearehelpless

Sometimes,itaffectsourhealthandlifestyles(we'llbecomplacentandlazy.)Thechemicalsmaybehazardous).What'sworse,Scienceandtecnologymayevendestroyoursimpleandhealthylife(SometimesHowwemissthetraditionalstyleofliving!).Inaddition,Theappearanceofnewtechnologymayinvadeourprivacy.

Tosumup,humansmustbealertagainstthepossibleharmwhileenjoyingthebenefitsfromthem.