人教版高中英语选修八公开课ppt课件CLONING

,高中英语课件,madeofcanruohanxing,高中英语课件madeofcanruohanxing,1,人教版高中英语选修八公开课ppt课件CLONING,2,Cloningisawayofmakinganexactcopyofanotheranimalandplant.,Whatiscloning?,Whoisfamousinthecloningfield?,Cloningisawayofmakinganexactco,3,人教版高中英语选修八公开课ppt课件CLONING,4,DoyouknowsomethingaboutDolly?,DoyouknowsomethingaboutDolly?,5,Whenwassheborn?,Issheman-madeornaturalcloning?,Whendidshedie?,Howlongdidshelive?,Whyisshesofamous?,Discussion,Whenwassheborn?Discussion,6,H,owdoscientistscloneasheep?,Howdoscientistscloneasheep?,7,Afemalesheepprovidesaneggcell.Thenucleusisremovedfromtheeggcell.,Cloningprocedure,Step1,Afemalesheepprovidesaneggcell.,8,Asecondfemalesheepprovidesasomaticcell.Thenucleusisalsotakenout.,Cloningprocedure,Step2,Asecondfemalesheepprovidesasom,9,TheeggcellfromsheepAandthenucleusfromsheepBarejoinedtogetherusingelectricity.,Cloningprocedure,Step3,TheeggcellfromsheepAandthenucl,10,Thecombinedcelldividesandgrowsintoanembryo.,Cloningprocedure,Step4,Thecombinedcelldividesandgrows,11,TheembryoisthenputintofemalesheepC.FinallyasheepDiscloned.,Cloningprocedure,Step5,Theembryoisthenputintofemalesh,12,sheep,goats,oxen,mice,pigs,cats,rabbits,andsoon.,Whatanimalshavebeencloned?,Canyoupredictthefutureofcloning?Whatwillisitleadingus?,sheep,goats,oxen,Whatanimalsha,13,Unit2,Cloning:,WhereIsItLeadingUs?,Unit2Cloning:,14,ReadingStrategies,Thebetterwaytogetthemainideais:,A:Readthepassagesentencebysentenceandstudythemeaningofindividualwordsorsentenceifnecessary.,B:Trytolocatea,topicsentence,inthefirst,thelastorsometimesinthemiddleparagraph.,scan,skim,ReadingStrategiesThebetterwayt,15,Whatisthetopicsentenceofthefirstparagraph,Whatisthetopicsentenceofthelastparagraph?,However,scientistsstillwonderwhethercloningwillhelporharmusandwhereisitleadingus.,Cloninghasalwaysbeenwithusand,isheretostay.,Whatisthetopicsentenceofthefir,16,“beheretostay”isan,idiom,whichmeans“,beacceptedandusedbymostpeople,”,“beheretostay”isanidiom,whichm,17,1.Themainideaofthetextis_.,A.animalcloningisveryvaluableandcanbenefittheworld,B.animalcloningcouldbemisusedbybadpeoplesoitmustbeforbidden,C.animalcloningiswelldevelopedbecauseDollythesheepwasborn,D.animalcloningraisedargumentsandscientistsarenotsureaboutitsfuture,主旨大意,1.Themainideaofthetextis_.主,18,2.WhichofthefollowingstatementsaboutcloningisNOTtrueaccordingtotext?,A.Cloningissomethingthathasbeendevelopedquiterecently.,B.Twinsthatlookexactlythesameareoriginallyfromthesameegg.,C.Cloningisusedbygardenerstomakemoremoney.,D.Animalcloningismuchmoredifficultthanplantcloning.,细枝末节,2.Whichofthefollowingstatement,19,3.ThecloningofDollythesheepsucceededbecause_.A.itseasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatience,C.thescientistswererewardedandgotlotsofmoney,D.manyotherattemptstoclonemammalsfailed,3.ThecloningofDollythesheepsuc,20,4.Whichofthefollowingisnotanadvantageofcloning?,Cloningcanbeusedformedicalpurposes.,Largequantitiesoffoodcanbeproducedbycloning.,Cloningcanhelpkeepanimalsfrombecomingextinct.,Famouspersonswhohavepassedawaycanbecloned.,4.Whichofthefollowingisnotanad,21,5.Thesheepthatdonatedthesomaticcellmostprobablylived_years.A.3B.6C.9D.12,推理判断,Whenwecomeacrossquestionsthatrequireustoinfer,implyorconcludefromthepassage,rememberto:_,A.inferunknownfactsfromknownfacts,B.usethedirectinformationfromthetext,5.Thesheepthatdonatedthesomati,22,ReadingIIIDetailreading(8ms),Fillintheblankusingtheinformationfromthetext.,Cloningnotonlyhappensin_,butalsoin_.,Cloninghastwo_.,First,itcanhelpgardenersproduce_.,Second,itisvaluableforresearchon_andformedicalresearchon_.,Cloningplantsis_whilecloninganimalsisvery_.,plants,animals,majoruses,commercial,quantitiesofplants,new,plantspecies,animals,straightforward,complicated,ReadingIIIDetailreading(8ms),23,3.Thewholescientificworld_ofDolly.,Atfirst,thefactthatDollyseemeddevelop_wasvery_.,Later,cloningscientistswere_tofindthatDollys_weremore_toamucholderanimal.,4.Cloningbecame_.Usingcloningto_.,followedtheprogress,normally,encouraging,castdown,illnesses,appropriate,controversial,Cureseriousillnesses,3.Thewholescientificworld_,24,Whatdoyouthinkisthewriterspointofviewinthisreadingpassage?Isitinfavourofcloningoragainstit?,Ithinkthewriteris_because_,impartial/neutral,he/shedoesnotstateanypersonalopinionaboutcloning.,Whatdoyouthinkisthewriterspoi,25,A,B,A,:,Ithink,cloningisgoodforus,.Because,B,:,I,think,cloningisbadforus,.Because,Iscloninggoodorbadforus?Writedownyouridea,ABA:Ithinkcloningisgoodforus.B,26,Describethepictureinyourownwords,Describethepictureinyourownwor,27,Whatisyouropinionofcloninghuman?,PairWork,Watchthemovieanddiscuss,Whatisyouropinionofcloninghuma,28,Writeapassagetitled,Iscloninggood,orbad?,Yourpassageshouldinclude,thefollowing,：,1)Whatiscloning,2)Advantagesofcloning,3)Disadvantagesofcloning,4)Youropinionofit,Homework,WriteapassagetitledIscloninggo,29,Thankyou.,Thankyou.,30,