人教课标版+高中英语+选修八unit2+cloning reading ppt课件.ppt

Welcometoourclass!,Howmuchdoyouknowaboutcloning?,Unit2Cloning,Arethefollowingclonesthesame?Ifnot,whatisthedifference?,NO.Thefirsttwoareman-madeclones,theresttwoarenaturalclones.,Cloningisawayofmakinganexactcopyofanotheranimalorplant.Itcanbedividedintonaturalcloneandman-madeclone.Anaturalcloneisonethatoccursinnatureandaman-madecloneisonethatisprocuredthroughhumanintervention(介入，干预).,Whatsclone?,Cloning:whereisitleadingus?,Reading,1.Cloningmeansmakingacopyofananimaloraplant.2.Gardenerscanmakealotofmoneybycloningplants.3.Cloninganimalsisascomplicatedascloningplants.4.Dollythesheepwasthefirstsuccessfulcloneofamammal.5.Naturalcloneshappeninanimalsaswellasinplants.,F,T,F,Scanning,T,T,Para.1cloningisawayofmakinganexactcopyofanotheranimalorplant.Para.2cloninghavetwomajoruses.Para.3TheproblemsofDollyPara.4TheeffectofDollyPara.5Itisforbiddentoclonehumanbeings.,Skimming,Themainideaofthetextis_A.animalcloningisveryvaluableandcanbenefittheworld.B.animalcloningcouldbemisusedbybadpeoplesoitmustbeforbiddenC.animalcloningiswelldevelopedbecauseDollythesheepwasborn.D.animalcloningraisedargumentsandscientistsarenotsureaboutitsfuture.,主旨大意,Detailed-reading,2.WhichofthefollowingstatementsaboutcloningisNOTtrueaccordingtotext?A.Cloningissomethingthathasbeendevelopedquiterecently.B.Twinsthatlookexactlythesameareoriginallyfromthesameegg.C.Cloningisusedbygardenerstomakemoremoney.D.Animalcloningismuchmoredifficultthanplantcloning.,细枝末节,A,3.ThecloningofDollythesheepsucceededbecause_.A.itseasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailed,4.Thesheepthatdonatedthesomaticcellmostprobablylived_years.A.3B.6C.9D.12,推理判断,5.Wecaninferfromthelastthreeparagraphsthat_.ThenormaldevelopmentofDollyhadnoeffectonthecloningofotherspecies.B.Dollysseriousdiseaseandfinaldeathdisturbedthewholeworld.C.Dollysuccessfullyclonedanewlambwiththehelpofcloningscientists.D.Therewereargumentsaboutanimalsaboutanimalcloningandconcernsaboutthefutureofcloning.,1.Inthesecondparagraph,theword“straightforward”means_.A.uncomplicatedB.honestC.frankD.difficult2.Whatisthewritingstyle?A.Expositive（说明性的）B.DescriptiveC.Argumentative（议论性的）D.Narrative3.Thewritersreactiontowardscloningis_A.PositiveB.NegativeC.neutral,Postreading,Consolidation,Cloneisawayofmakinganexact_ofanotheranimalorplant.Cloninghavetwo_uses.Firstly,gardenersuseitallthetimetoproduce_quantities.Secondly,itisvaluableforresearchonnewplant_andformedicalresearchonanimals.Butthroughthe_anddeathofDolly,cloninghasalotofproblems.Ontheotherhand,weknowcloningiscontroversialinsomecountriesfor_and_reasons.,copy,major,commercial,species,birth,moral,religious,giverisetomoralquestionsterroristsmakeuseofcontributeto/leadtothespreadofnewdiseases,cureseriousillneses(rarediseases,incurablediseases)helpinfertilepeoplehavebabiesofgreatbenefitto,Advantages:Group1and2,Disadvantages:Group3and4,Discussion,Questions:Doyousupporttheideaofproducinghumanembryos(胚胎)formedicalpurposes?Why?Doyouthinkitagoodideatouseclonedhumansfororgan(器官)transplants?Why?Doyouthinkaclonedhumanshouldhavehumanrights?Why?Doyouthinkclonedhumanswillhavethesametalentsastheoriginalones?Why?,Discussion,Shouldhumancloningbeallowed?,Humancloningshouldbeallowed!,Wecanhavemorelaborstodofarmingandotherworks,sowecanreducetheuseofmachinessoastoreducepollution.UsethetalentsofgreatpersonTodomedicalresearchtocureillness,touseclonedhumansfororgantransplantssoastosavepeopleslife.Toservicepeopleaslabors.,5.Parentswhoareunabletobeartheirownchildrencanhaveclonedchildren.6.Whensomeonepassaway,hisfriendsandrelativesmaymornforhim.Ifwehavehimcloned,theywillnotfeelsad.7.Cloneourselvestoaccompanyourparents.Whenfeellonely,makefriendswithclonedpeople,Humancloningshouldbeallowed!,Toomuchpopulation;Lackoffoodandotherresources;Lackofspacetolivein;Illegaluseofcloningmaybringdisasterstotheworld;Cloningofawfulthings;,Humancloningshouldntbeallowed!,6.Politicalandhumanrightsofclonedpeople;7.Hardtoidentifythedonorsandtheclonedones;8.Thehealthandt