公開課Unit2Cloning省公開課金獎(jiǎng)全國賽課一等獎(jiǎng)微課獲獎(jiǎng)?wù)n件

ReadingCloning:1/28Inpairs,lookatthesepicturesanddiscusswhichonesarenaturalclonesandwhichonesareman-made.Explainhowtheydiffer.Discussion2/28一株草莓依靠它沿地“爬走”匍匐莖,一年內(nèi)就能長出數(shù)百株草莓苗Naturalclone3/28TwinsTheyarebornnaturallyandidenticalinsexandappearance.Naturalclone4/28Dolly是世界上第一例用體細(xì)胞─乳腺上皮細(xì)胞,經(jīng)過細(xì)胞核移植技術(shù),在復(fù)雜人工操作下,得到一只小綿羊

。5/28Whatisaclone?Howisacloneproduced?6/28Reading

PleaseListentothetape

andgetthemainidea,andthenfinishthefollowingexercisesingroups.7/28Themainideaofthetextis____A.animalcloningisveryvaluableandcanbenefittheworld.B.animalcloningcouldbemisusedbybadpeoplesoitmustbeforbiddenC.animalcloningiswelldevelopedbecauseDollythesheepwasborn.D.animalcloningraisedargumentsandscientistsarenotsureaboutitsfuture.主旨大意8/282.WhichofthefollowingstatementsaboutcloningisNOTtrueaccordingtotext?

__A.Cloningissomethingthathasbeendevelopedquiterecently.B.Twinsthatlookexactlythesameareoriginallyfromthesameegg.C.Cloningisusedbygardenerstomakemoremoney.D.Animalcloningismuchmoredifficultthanplantcloning.細(xì)枝末節(jié)A9/283.ThecloningofDollythesheepsucceededbecause____.A.itseasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailedB10/284.Thesheepthatdonatedthesomaticcellmostprobablylived____years.A.3B.6C.9D.12推理判斷11/285.DollythesheepA.lookedexactlylikethesheepthatprovidestheeggB.wastheexactcopyofthesheepthatprovidesthenucleusC.lookedlikethesheepthatgavebirthtoitD.hadthecharacteristicsofallthreesheep12/286.Whataboutthewriter’sattitudetowardcloninginthispassage?A.Objective(befair)

B.Negative(beagainstit)C.Positive(beinfavorofit)theauthordoesnotstateany

personalopinionaboutcloning.Because_________________________________________________________________觀點(diǎn)態(tài)度13/28Mainideas

Readthepassageandfindoutthemainideaofeachparagraph.14/28Para.1

ThedefinitionofcloningPara.2

Themajorusesand

proceduresofcloningPara.3

TheproblemsofDollyPara.4

TheeffectofDollyPara.5

People’sreactionto

cloning15/2816/28

“多利”誕生標(biāo)志著克隆研究取得新進(jìn)展和重大突破,而且這個(gè)結(jié)果證實(shí):動(dòng)物體中執(zhí)行特殊功效,含有特定形態(tài)所謂高度分化細(xì)胞與受精卵一樣含有發(fā)育成完整個(gè)體潛在能力。也就是說,動(dòng)物細(xì)胞與植物細(xì)胞一樣,也含有全能性.“多利”誕生有什么重大意義和影響？17/281996cloningsheeps18/28cloningcattle19/28年4月16日美國第一頭克隆?！鞍住碑a(chǎn)下牛犢喜作媽咪20/28我國成功繁殖克隆兔

體形要比普通兔大許多年5月中旬成功地繁殖了一只胚胎細(xì)胞克隆兔。21/28cloningcats22/28第一只克隆寵物貓克隆馬及其“母親兼姐姐”23/28cloningdogs