高中英语 M5 Listening and vocabulary课件 外研版选修6.ppt

module5 listeningandvocabulary 外研版高二 上 module5 listeningandvocabulary cloning scientistworkinginalaboratory ahumancell sheepawascreatedinalaboratorybyscientists itisaclonedsheeporclone sheepbisthe parent ofsheepa scientistsusedthegenesofsheepbtocreatesheepa bothsheephaveidenticalgenestheirgenesareexactlythesarae agene thepartofacellthatcontrolshowitdevelops whodowegetourgenesfrom answerthequestions ourparents 2 howmanyparentsdoesaclonedanimalhave one 3 whereareclonedanimalscreated inalaboratory 4 inwhatwayaresheepaandsheepbidentical theyhaveidenticalgenes andsoareidenticalineveryway answerthequestionsaboutthewordsandphrasesinthebox tobeagainst cloning argumentbeneficialtobefor cloning nature 1 ifyouareforsomething doyouthinkitisagoodidea 2 ifyouareagainstsomething doyouthinkitisagoodidea 3 doyouoftenhaveargumentswithpeople inwhichyoudisagreeaboutsomething whatkindofthingsdoyouargueabout 4 doyouthinknatureshouldbeleftalone orisitbettertomakeplantsandanimalsthewaywewantthem 5 doyouthinkcloningmaybebeneficial helpfultohumans giveatleastonereason saywhichoftheargumentsbelowareforcloningandwhichareagainstcloning 1 cloningisagainstnature a 2 cloningwillbebeneficialtohumans forexample ifacouplecan thavechildren cloningcouldhelpgivethemachild f 3 clonedanimalsgetillanddiequiteyoung a 4 peopleareafraidthatscientistswillcreatethousandsofcopiesofthesameperson a 5 cloningisdangerousbecausescientistsmaycreatemonstersbymistake a 6 wecouldusecloningtocureillnesses f correctthewronginformationinthesesentences 1 drhughdonavilleworksforacompanythathasalreadyclonedanumberofpeople 2 asheepcalleddollywasclonedin1998 3 dollythesheepdiedin2003 animals 1997 ok 4 donavillethinksscientiststreateddollythesheepasaproduct 5 donavillesaysthatifachildisveryill scientistscouldcloneit thepresenter dies 6 donavillethinksit sagoodideatohavethousandsofcopiesofthesameperson 7 donavillesaysthatwecouldcloneanimalsthathavebecomeextinct terrible arebecomingextinct presenter ourtopicforthisweekiscloning todiscussit wehavewithusdrhughdonaville headofacompanythathasalreadyclonedanumberofanimals hughd goodmorning presenter drdonaville couldyoubeginwithasimpleexplanationofcloning hughd certainly clonedanimalsarecreatedinalaboratory theytakealltheirgenesfromasingleparent listeningtext presenter soclonedanimalscomefromoneparentonly hughd precisely presenter howsuccessfulhascloningbeensofar hughd well asmostpeopleknow in1997scientistsclonedasheepcalleddolly sincethen scientistshaveclonedanimalssuchaspigsandcats presenter youmakecloningsoundeasy hughd doi iwishitwas ifitwaseasy i dbeaveryrichmanbynow presenter sowhatarethedifficulties hughd unfortunately clonedanimalsgetillanddiequiteyoung forexample dollythesheepdiedin2003 sheshouldhavelivedlonger presenter whydotheygetill hughd we vegotafewideasbutwedon treallyunderstandwhyyet presenter isee nowobviously drdonaville youbelievethatcloningwillbebeneficialtohumanbeings hughd yes ido ifididn tbelievethat i dbeinadifferentjob presenter manypeoplebelievethatcloningiswrongandagainstnature howdoyouanswerthem hughd itellthemthatcloningisawayofhelpingnature presenter butcloningtreatsanimalsandpeopleasthings asproducts hughd nonsense idon tthinkthat strueatall idon tthinkscientiststreateddollythesheepasaproduct shewasasheep presenter i mnotsureeveryonebelievesthat also peopleareafraidthatscientistswillcreatethousandsofcopiesofthesameperson hughd iagree ifthathappened itwouldbeterrible weneedlawstopreventthat presenter i mgladyouagreeaboutthat butwhydoscientistswanttoclonehumans ican tseeanygoodreasonsforthis hughd onthecontrary thereareverygoodreasons forexample ifacouplecan thavechildren thencloningcangivethemachild andifachilddies wecouldcloneit presenter createanidenticalcopy youmean ithinkthat saterribleidea hughd aclonecanneverbeanidenticalcopyofanotherperson it snotjustyourgenesthatcreatewhoyouare it syour