2023学年完整公开课版Unit2CloningListeningandspeaking2

Unit2CloningListeningandspeakingListeningonpage54Beforehumanclonesbecomepartofourlife,perhapsweshouldspendmoretimethinkingabouthowweshouldbehavetowardsthem.Inpairsdiscussthesequestions.1.Howwouldyoutreathumanclones?2.Doyouthinktheyshouldhavelegalandpoliticalrights,suchasgettingmarriedorvoting?3.Doyouthinktheyareseparatepeopleorpartoftheoriginaldonor?Clarethinkshumancloningwillcomesoon.2.Thecloneisthesameastheoriginaldonor.3.Parentswhoareunabletohavetheirownchildrenmaywanttobuyclonedbabies.2.Nowlistentoadiscussiononhumancloning.Readthesestatementsbeforeyoulistentothetape.Tickthecorrectones.4.Clarebelieveshumancloningwillcauseunexpectedproblems.5.WangQiaothinksitismoraltoclonebabiesforparentswhocannothavechildren.Listentothetapeagainandthenchoosethecorrectanswerstothethreequestionsonpage54.Answerkey:BCA1WhatproblemsdoesClarethinkpeoplehaven’tthoughtof?2WhydoesWangQiaothinkthatnoonecouldconfuseadonorwithhis/herclone/3WhydoesClarethinkpeoplewillwanttobuyclonedbabies?Listeningtext

ISHUMANCLONINGAGOODIDEA?

WangQiaoistalkingtoClarePetersabouthumancloning.WQ:Whatdoyouthinkabouthumancloning,Clare?

CP:Idon’tknowwhattothink.ButIsupposeit’llcomeoneofthesedays.

Ithinktherearemanyproblemsthatnobodyhasthoughtofyet.WQ:Whatdoyoumeanbythat?

CP:Well,aclonewillbeanexactcopyoftheoriginaldonor.Right?

WQ:Yes,sowhat?

CP:Well,what’stherelationshipbetweenthecloneandhisoriginaldonor?WQ:Isupposetheymustbelikeoneperson.Thecloneisthesameashisoriginaldonor.CP:Let’ssupposethatyoutakeababytoalaboratorytobecloned.Doesitmatterifthelaboratoryreturnsyoutherealbabyandonecloneortwoclones?WQ:Yes,itdoes.Buthowcouldthispossiblehappen?

CP:Well,thescientistsmaygetconfused.WQ:Mygoodness.Surelytheywouldnoticeifthereisanage-gapbetweenthedonorandtheclone?CP:Maybe.Whatifthedonorandthecloneareverycloseinage?Letussupposetheyarebothbabies.WQ:OK.

CP:Let’ssupposethatthelaboratorywantedtousetherealbabytomakemoreclones.Perhapstheyknowparentswhowouldliketobuyaclonedbaby.Perhapsthisfamilyisunabletohavechildrenoftheirown.Sothelaboratorykeepstherealbabyandsellstheclonesastheygrow.

WQ:Butthat’sababyfactory!That’snotmoralatall!

CP:Iknow,andthat’swhyit’simportanttogetourideassortedoutnow.Sowereallyhavetothinkabouttheproblemsofhumancloning.

WQ:Yes.NowIseeyourpoint.Weshoulddosomethingaboutthis.Howaboutameeting?Whatdoyouthink?…(fadeout)Listeningtaskonpage57Readthetensentencesonpage57andthenlistentothetapeforthefirsttime.Decideiftheyarefactsoropinions.1.F2.O3.F4.F5.F6.F7.F8.O9.O10.FListentothetapeagainandanswerthefollowingquestions.1.WhydoesBillyagreewithcloning?

HewantstomakehismotherhappybykeepingherpetdogaliveforeverandhealsowantstotakethechancetoAmericaforholidaywhenthedogisbeingclonedthere.2.What’sFrank’sattitudetowardscloning?Why?

Frankdoesn’tagreewithcloningbecausehethinkscloningisveryexpensiveandithasmanymoralproblems.3.WhatdoyouthinkBilly’smotherconsidersaboutcloning?4.What’syourownopinionaboutcloning?

Billy’smotherisinfavourofcloning.SheissavingmoneytogotoAmericatohaveherpetdogclonedjustbeforeitdies.3.Listenagainandsortouttheargumentsforandagainstcloningpets.ArgumentsforcloningpetsArgumentsagainstcloningpets1.Itismoraltomakemymotherhappy.1.Itisveryexpensivetocloneapet.ArgumentsforcloningpetsArgumentsagainstcloningpets2.Itcanprovideanexcuseforaholidayabroad.3.MymotherwillneedherpetwhenIamaway.2.Itisselfishbecauseitisanexcuseforaholiday.3.Itisselfishbecauseitmeansthestudentcanstudyabroadwithouthismothercomplaining.ListeningtextADISCUSSIONABOUTCLONING

BillyandFrankarehavingadiscussionaboutcloningpets.

BILLY:Youknow,Frank,Iagreewithcloning.Mymumhasapetdogandsheisdevotedtoher.Ithinkifanythinghappenedtothispetshewouldbesoupset.Sowewanttokeepmymotherhappybykeepingherpetaliveforever!

FRANK:What’sthisallabout?Alittledog!Surelyyoucanmakeyourmotherhappyagaininanotherway!Doessheknowwhatpeopledidbeforecloningwasapossibility?

BILLY:Yes,andsheknowsthecloningprocedure.She’sreadabouttheexperimentsinAmerica.Theyofferchancesforpetstoproducetheirownstemcells.Thesestemcellswillproducenewpetsataveryreasonableprice.

FRANK:Reasonableprice!Surelyitwillbeveryexpensive.

BILLY:Well,mymotherissavingmoneytogotoAmericawiththedogjustbeforeitdies.Ifshegoestothelaboratorywe’llallspendaweekinAmerica.Ifwe’relucky,we’llbeabletoreturnafterafewmonthswithanewdog.

FRANK:NowIunderstand.YoujustwantaholidaytriptoAmerica,andgettinganewdogisjustanexcuse.

BILLY:Yesandwhynot?

FRANK:Youareencouragingyourmothertoloveherdog,soshewillwanttocloneitwhenitgetsold.Thenyou