高中英语 Unit 2 Cloning Listening and speaking课件 新人教版选修8.ppt

listening speaking iscloningcruel listenandseewhetheryouagreewithxiaoqingormary 1 readthesestatementsbeforelistening tickthosethatyouhear cloningwillbringdeadpetstolife therewere627experimentsbeforedollywassuccessfullyclone cloningmayproducemedicineorevenorgansofahumanbodytocureseriousillnesses dollywas middle aged whenshewasborn soyourgrandmotherwouldbeabletostartherlifealloveragainandlivetoanoldage 2 listentothetapeagain 1crueltoanimals 1scientistsaredoingawonderfuljob 2makesthemdounnaturalthings 2maybringbackextinctanimals 3itisa deadend 3problemsbecauseitisanewscience 4clonebornatageof mother 4scientistsneedencouragement 5weakensthespecies 5itmayprovidemedicineforillnesses 3 whoseideasdoyouagreewith getreadytohaveaclassdiscussion thinkaboutthereasonsforyourpointofview useyourownideasaswellasthoseinthetext thesewordsandphrasesonpage18maybeusefulforyouduringthediscussion that sagoodidea icannotacceptyourargumentbecause isupport because no ican tagreewith because iagreewith because howcanyoubelievethat yourargumenthasconvincedmebecause iwouldliketoagreewithyoubut idon tcareforyourideasbecause no thatisnotreasonablebecause that sagreatidea yourideassoundveryencouragingtome listeningtext iscloningcruel xiaoqingandmarybrownarediscussingwhethercloningiscrueltotheanimals mb xiaoqing doyouthinkcloningiscruel xq whatdoyoumeanbythat thescientistsaredoingawonderfuljobandsoontheymaybeabletobringbackextinctanimalsoreverpeople sfavouritepetsbacktolife mb yes qing iknow butdoesn tthatseemstrangetoyou isitworthit ittook276experimentsbefore dollywassuccessfullycloned thinkofallthoselivecellsandeggsthatdiedinorderfordollytobeborn idon tapproveofthat xq butmary bereasonable isn titalwayslikethatwithanewscience thisisthewayyoulearntodo thingsbetter it sjustthatthisonedealswithlivingthings mb isupposeso buttheymaketheanimalsdounnaturalthings onepoorcowwasmadetogivebirthtoabison whatwasthepoorcreaturetothinkwhenissawitsbaby xq idon tquiteunderstandwhysomanypeopleareagainstcloning ithinkthescientistsneedalittleencouragement theyhavedonesomeamazingthingsandthinkofthebenefits producinganimalsthatareanexactcopyoftheoriginalmayhelpmedicalscienceproduce medicinesorevenorgansforseriousillnesses mb yes i veheardallthat iagreewithitbutidon tagreewiththemethods idon tthinkcloningisgoodforanimals xq whynot mb well ithinkit sadeadend dollythesheepwas middle aged whenshewasbornbecauseherdnacamefromamiddle aged mother cloningyourgrandmotherwouldmeanthenewbabystartedlifeasanoldlady xq areyousure ineverthoughtofthat mb anditalsoweakensthespecies clonesmeanthereislessvarietyinthespeciesandsoillnesseswillbecomemorecommonandtheanimalsmaydieout xq ohdear andthatwasjustwhatyouandiweretryingtoavoid iseeishallhavetolookatthiswholecloningquestingagain listeningonp54 1 howwouldyoutreathumanclones 2 doyouthinktheyshouldhavelegalandpoliticalrights suchasgettingmarriedorvoting 3 doyouthinktheyareseparatepeopleorpartoftheoriginaldonor 1 discussthesequestions 1 clarethinkshumancloningwillcomesoon 2 thecloneisthesameastheoriginaldonor 3 parentswhoareunabletohavetheirownchildrenmaywanttobuyclonedbabies 2 tickthecorrectones 4 clarebelieveshumancloningwillcauseunexpectedproblems 5 wangqiaothinksitismoraltoclonebabiesforparentswhocannothavechildren answerkeyforexercise3 bca listeningtext ishumancloningagoodidea wangqiaoistalkingtoclarepetersabouthumancloning wq whatdoyouthinkabouthumancloning clare cp idon tknowwhattothink butisupposeit llcomeoneofthese days ithinktherearemanyproblemsthatnobodyhasthoughtofyet wq whatdoyoumeanbythat cp well aclonewillbeanexactcopyoftheoriginaldonor right wq yes sowhat cp well what stherelationship betweenthecloneandhisoriginaldonor wq isupposetheymustbelikeoneperson thecloneisthesameashisoriginaldonor cp let ssupposethatyoutakeababytoalaboratorytobecloned doesitmatterifthe laboratoryreturnsyoutherealbabyandonecloneortwoclones wq yes itdoes buthowcouldthispossiblehappen cp well thescientistsmaygetconfused wq mygoodness surelytheywouldnoticeifthereisanage gap betweenthedonorandtheclone cp maybe whatifthedonorandthecloneareverycloseinage letussupposetheyarebothbabies wq ok cp let ssupposethatthelaboratorywantedtousetherealbabytomakemoreclones perhaps theyknowparentswhowouldliketobuyaclonedbaby perhapsthisfamilyisunabletohavechildrenoftheirown sothelaboratorykeepstherealbabyandsellstheclonesastheygrow wq butthat sababyfactory that snotmoralatall cp iknow andthat swhyit simportanttogetourideassortedoutnow sowereallyhavetothinkabouttheproblemsofhumancloning wq yes nowiseeyourpoint weshoulddosomethingaboutthis howaboutameeting whatdoyouthink fadeout listeningtaskonp57 answerkeyforexercise1 1 f2 o3 f4 f5 f6 f7 f8 o9 o10 f listentothetapeagainandanswerthefollowingquestions 1 whydoesbillyagreewithcloning hewantstomakehismotherhappybykeepingherpetdogaliveforeverandhealsowantstotakethechancetoamericaforholidaywhenthedogisbeingclonedthere 2 what sfrank sattitudetowardscloning why frankdoesn tagreewithcloningbecausehethinkscloningisveryexpensiveandithasmanymoralproblems 3 whatdoyouthinkbilly smotherconsidersaboutcloning billy smotherisinfavourofcloning sheissavingmoneytogotoamericatohaveherpetdogclonedjustbeforeitdies 4 what syourownopinionaboutcloning variousanswersarepossible 3 listenagainandsortouttheargumentsforandagainstcloningpets 1 itismoraltomakemymotherhappy 1 itisveryexpensivetocloneapet 2 itcanprovideanexcuseforaholidayabroad 3 mymotherwillneedherpetwheniamaway 2 itisselfishbecauseitisanexcuseforaholiday 3 itisselfishbecauseitmeansthestudentcanstudyabroadwithouthismothercomplaining listeningtask adiscussionaboutcloningbillyandfrankarehavingadiscussionaboutcloningpets billy youknow frank iagreewithcloning mymumhasapetdogandsheisdevotedtoher ithinkifanythinghappened tothispetshewouldbesoupset sowewanttokeepmymotherhappybykeepingherpetaliveforever frank what sthisallabout alittledog surelyyoucanmakeyourmotherhappyagaininanotherway doessheknowwhat peopledidbeforecloningwaspossibility billy yes andsheknowsthecloningprocedure she sreadabouttheexperimentsinamerica theyofferchancesforpetstoproducetheirownstemcells thesestemcellswillproducenewpetsataveryreasonableprice frank reasonableprice surelyitwillbeveryexpensive billy well mymotherissavingmoneytogotoamericawiththedogjustbeforeitdies ifshegoestothelaboratorywe llallspendaweekinamerica ifwe relucky we llbeableto returnaf