高中英语 unit2(Cloning)课件 新人教版选修8 课件VIP免费

Unit2CloningUnit2Cloning人教版高中英语模块八人教版高中英语模块八Module8•EnglishSong•EnglishClass•LanguageDataBank课时分配课时板块结合范例Period1&2WarmingupandReadingIPeriod3LearningaboutlanguagePeriod4ReadingIIPeriod5ListeningandSpeakingPeriod6WritingUnit2CloningPeriod1&2:幻灯片9-26页Lookatthefollowingpicturesandanswerthequestions:1.It’sthemostfamoussheepintheworld.DoyouknowhowDollyisdifferentfromothersheep?Warmingup(5ms)Shewasclonedwhiletheotherswerebornnaturally.Itisthecopyofanothersheep.2.Whatiscloning?Cloningisawayofmakinganexactcopyofanotheranimalorplant.3.Arethefollowingclonesthesame?Ifnot,whatisthedifference?NO.Thefirstfourareman-madeclones,theresttwoarenaturalclones.Inthisclasswe’lllearnapassageaboutcloning,butbeforewecometothetext,canyouguesshowacloneisproduced?Pre-reading(3ms)Thecloningofplantsissimpleandrelativelyeasy.Itcanbedonebytakingcuttings(man-madecloning)orlettingtheplantproduceitsownrunners(naturalcloning).Thecloningofanimalsismorecomplicated.Itwasnotachieveduntil1996andisfullyexplainedinthepassagewe’lllearntoday.Reading–IScanning(5ms)Writetheletter“T”ifthestatementistrue.Write“F”ifitisfalse.1.Cloningmeansmakingacopyofananimaloraplant.2.Gardenerscanmakealotofmoneybycloningplants.3.Cloninganimalsisascomplicatedascloningplants.FFT4.Dollythesheepwasthefirstsuccessfulcloneofamammal5.Naturalcloneshappeninanimalsaswillasinplants.TT1.Dollythesheep_____.A.lookedexactlylikethesheepthatprovidestheegg.B.wastheexactcopyofthesheepthatprovidesthenucleus.C.lookedlikethesheepthatgavebirthtoit.D.hadthecharacteristicsofallthreesheep.＊Reading–IISkimming(5ms)Choosetherightansweraccordingtothetext.2.Itcanbeinferredfromthepassagethataclonedanimal_____.A.usuallylivesaslongastheoriginaloneB.usuallyliveslongerthantheoriginaloneC.usuallyliveslongerthantheoriginaloneD.isusuallyashealthyastheoriginalone＊3.Whichofthefollowingisnotanadvantageofcloning?A.Cloningcanbeusedformedicalpurposes.B.Largequantitiesoffoodcanbeproducedbycloning.C.Cloningcanhelpkeepanimalsfrombecomingextinct.D.Famouspersonswhohavepassedawaycanbecloned.＊4.Whatispeople’sfearabouthumancloning?Whichofthefollowingiswrong?A.ClonedHitlerswoulddoharmtotheworld.B.Clonedpeoplemaybekilledatwillformedicalaid.C.Awomanwouldhavedifficultyrecognizingherrealhusband.D.Menwilldieoutbecauseawomancangivebirthtoababywithoutahusband.＊Reading–IIIDetailreading(8ms)Fillinthechartusingtheinformationfromthetext.ProblemsordangersofcloningAdvantagesofcloningAnimalsmay____________________ofolderanimals.Medicalcloningcould_____________forseriousdegenerative(变质的）________inhumans.developtheillnessesproducecuresillnessesAnimalclonesmay_______________thanthedonoranimalsCloningplantscan_______________ofsimilar_____________________.________________maywanttoclonethemselves.Cloningplantscanbe_______forresearchon_____________________.Thereare__________________tocloninghumanbeings.Cloningcanhelpsave____________________.dieyoungerproduceplantsqualityforsaleleaderusefulEvilplantspeciesmoralobjectionsendangeredanimalsnewReading–IVIntensivereading(7ms)Readtheletteragain,thentrytofindthemainideaofeachparagraph.1.Cloningis______________________________2.Cloninghas____________uses.3.The_________ofDolly.4.The________ofDolly.5.Itis__________toclonehumanbeings.awayofmakinganexactcopyofanotheranimalandplant.problemstwomajoreffectforbiddenP...