大学体验英语英语视听说3_信息科技四单元1.ppt

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1、第三册UNIT4Technology:ABlessingoraCurse?Mostoftheimportantthingsintheworldhavebeenaccomplishedbypeoplewhohavekeptontryingwhenthereseemedtobenohopeatall.DaleCarnegieBackgroundInformationUnitOverviewLesson1Lesson2SupplementaryReadingHomelisteningAgendaInthis

2、highlydevelopedera,peoplearemakinguseoftechnologiestoimprovetheirstandardofliving.Manyproblemsaresolvedwiththeadventofsuchtechnologyascloning,surrogacyandgenetherapy.Thesebiotechnologieshavebroughtmoreoptionsthatpeoplecaneasilyaccess.Simultaneously,howe

3、ver,theybringaboutsomeethicalissuesonhowthesetechnologiesshouldbeusedfairlywithoutinfringingonpeople’srightsandhowtheyshouldberegulatedtomakesuretheyarenotusedillegallyandexploited.Studentswillgettoknowtheprosandconsofbiotechnologythroughreading,listeni

4、ngandviewing.Variousactivitieswillinspirethestudentstotalkabouttheimpactofbiotechnologyonpeople’slifebyusingthewordsandexpressionsinthisunit.UnitOverviewBackgroundInformationThefastdevelopmentofbiotechnologyhasbroughtinmoreoptionsforpeopletoimprovetheir

5、lives.Oneofthescientificachievementsofbiotechnologyisthatpeoplemayhaveaccesstotheirgeneticinformation.Ifwe’regoingtousegeneticknowledge,shouldweuseittoimproveourselves?Doyouwanttomakebetterbabies?Doyouwanttomaketallerpeople?Fasterpeople?Strongerpeople?P

6、eoplewithbettermemory?That’snotgoingtohappenrightaway,butitwill.Thisrevolutioninfrontofusisaspersonalasitgets,concerningourgender,ourrace,ourfamily.Buthowmuchdoyoureallywanttoknowaboutyourfuturehealth?Oneofthegreatironiesofthegeneticrevolutionisthatitte

7、achesusaboutourflaws,ourlimits.Wenowknowthat’swhat’sgoingtohurtandthat’swhatyouareatriskof.BackgroundInformationAnotherquestionis:Whateverhappenedtocloning,that’snotreallyanissue,becausewedon’twanttocopy;wewanttoimprove.However,ifwecanmakepeoplebetterth

8、anwhatnaturedesigned,whogetstobuydesignergenes?Thismayleadtothemostseriousethicaldebatethatsocietywillface:Arewegoingtotryanddothat?Willwesetanylimitsatall?Willthemarketdetermineit?Whowillhaveaccess?Willthepoorbeabletoaccessthist