双语报高中英语 Unit 3 Science and nature Welcome to the unit课件 牛津版必修5.ppt

unit3scienceandnature welcometotheunit objectives togetageneralideaofwhatwearegoingtolearninthisunittoknowsomethingaboutclonetolearntodiscussaboutcloneorclonedanimals thinking doyouthinkthefastdevelopmentofscienceandtechnologyhasbeengoodfornature whyorwhynot howshouldscienceandnaturerelatetoeachother doyouthinkthathumanbeingsshouldtrytocontrolnature shouldwedoanythingagainstthelawsofnature doyouknowsomethingaboutcloning 克隆 manhascreatedmanythingsandnowtheyareevenreadytorecreatethemselves cloning isanewbiotechnology 生物技术 whichaimstoproduceanexactcopyofananimaloraplantfromitsowncells dnafragments 片段 ororganisms 有机体 inanasexual 无性繁殖的 way clonedanimals whatdoyouseefromthisvideo dollyanditscreator whatdoyouknowaboutdolly theworld sfirstclonedmammalcreatedbyscottishscientistsin1996diedin2003becauseoflungdiseasemanycountrieshavebannedhumancloningsincedolly sbirth lookatthefollowingpicturesandstudythem canyoutellwhatisthemainfeatureofcloning canyouidentifythedifferencesbetweentheclonedanimalsandnormalones dollyistogetherwithhermother whatdoyouknowaboutdolly theworld sfirstclonedmammalcreatedbyscottishscientistsin1996sparkedworldwideinterestandconcernafteritsbirthmanycountries includinggermany france canada switzerland austria norwayandsouthamerica havebannedhumancloningsincedolly sbirthdiedin2003becauseoflungdisease thekitteninthepictureiscalledcc itsnameisfrom copycat itwasbornindecember2002 theresearchersintexasproducedccwithacelltakenfromhermotherrainbow ccwasahealthykittenwhogrewintoalivelyaffectionatehousecat sheisnottheexactcopyofherclone motherbecausetheygrewupindifferentsurroundings thoughthesharedthesamegenes thesefemalepigsarealsocloned theywerebornonchristmasday2001 theywerenoel angel star joyandmary althoughtheyarenotthefirstclonedpigs theyareactuallythefirsttobeengineeredinawaythattheirorgansmoresuitablefortransplantationintohumans duetotheshortageofhumanorgansfortransplants manypeoplearedyingbecausesomeoftheirorgansdonotwork itishopedthattheorgansfromthesepigswillbeusedinhuman sbodies thenameofthefirstclonedmonkeyisandi itisfrom inserteddna speltbackwards theplayfulcoffee colouredmonkeywasbornin2000 thetechnologyisdifferentfromthatusedfordolly researchersinoregon theusacreatedthisfirstgeneticallymodifiedmonkeybyputtingageneformajellyfish anotherspecies intosix day oldmonkeyembryos 胚胎 fromtheappearance theclonedanimalsareexactlythesameastheoriginalones however someclonedanimalswerereportedtohavehealthproblemsanddiedusuallyyoung thepairofcalveswerebornon5july1998inishikawa japan theyweretwoyearsyoungerthandolly beingsecondadultanimalclonesintheworld moreexamplesaboutclonedanimals themuleinthepictureistheworld sfirstclonedmule itwasbornon4may2003 hisnameisidahogem in1962 thescientistgurdonfromcambridgeclonedatadpole in1963 chinesescientisttongdizhouclonedacarp whichwas33yearsearlierthandolly bornin2005inseouluniversityinkorea snoopy whatdoyouthinkofthenewkindoftechnology doesithaveanyadvantagesordisadvantages advantagesofcloning curemanygeneticdiseasessavepeople slivespreventsomeendangeredanimalsfromdyingoutdisadvantagesofcloning causeethicalproblemsviolate 违背 humanrightsviolatethelawsofnature doyouthinkitwouldbeagoodideatoclonehumanssomeday whyorwhynot itisagoodidea for reasons cloningcanhelpcuremanydiseasesandsavealotofpeople slives 2 3 partya itisabadidea for reasons cloningcanleadtoethical 伦理 problems 2 3 partyb ifpossible doyouwantanotherpersontobeexactlythesameasyou justimagine supposingyouarefacingyoursecondselfwholookslikeyou talkslikeyouandthinkslikeyou howdoyoufeel oneman oneworld funnypictures ifcloninggoesinawrongdirection whatwillhappen adogoraneagle aduckoracrocodile acockoradog alionorakangaroo afrogoracrocodile atortoiseorabear abirdoradog adogoraman whoisthis 克隆如何才能和谐 thinkaboutwhatwe vejustlearnttoday timeforreflection studywithoutreflectionisawasteoftime thinkinenglish aftertheclass it stimetostoptheclassforyoutolookbackinsilence homework writeashortpassageab