高中英语unit2《Cloning》课件新人教选修8.ppt

Unit2CloningEnglishSong
EnglishClass
LanguageDataBank课时分配Period1&2Warming
upandReadingILookatthefollowingpicturesandanswerthequestions:
1.It’sthemostfamoussheepintheworld.DoyouknowhowDollyisdifferentfromothersheep?2.Whatiscloning?Inthisclasswe’lllearnapassageaboutcloning,butbeforewecometothetext,canyouguesshowacloneisproduced?Reading–IScanning(5ms)4.Dollythesheepwasthefirstsuccessfulcloneofamammal
5.Naturalcloneshappeninanimalsaswillasinplants.1.Dollythesheep_____.
A.lookedexactlylikethesheepthatprovidestheegg.
B.wastheexactcopyofthesheepthatprovidesthenucleus.
C.lookedlikethesheepthatgavebirthtoit.
D.hadthecharacteristicsofallthreesheep.
2.Itcanbeinferredfromthepassagethataclonedanimal_____.A.usuallylivesaslongastheoriginaloneB.usuallyliveslongerthantheoriginaloneC.usuallyliveslongerthantheoriginaloneD.isusuallyashealthyastheoriginalone3.Whichofthefollowingisnotanadvantageofcloning?
Cloningcanbeusedformedicalpurposes.
Largequantitiesoffoodcanbeproducedbycloning.
Cloningcanhelpkeepanimalsfrombecomingextinct.
Famouspersonswhohavepassedawaycanbecloned.4.Whatispeople’sfearabouthumancloning?Whichofthefollowingiswrong?
ClonedHitlerswoulddoharmtotheworld.
Clonedpeoplemaybekilledatwillformedicalaid.
Awomanwouldhavedifficultyrecognizingherrealhusband.
Menwilldieoutbecauseawomancangivebirthtoababywithoutahusband.Reading–IIIDetailreading(8ms)Fillinthechartusingtheinformationfromthetext.Animalclonesmay______
_________thanthedonoranimalsReading–IVIntensivereading(7ms)Practice–discussion(8ms)Questions:
Doyousupporttheideaofproducinghumanembryos(胚胎)formedicalpurposes?Why?
Doyouthinkitagoodideatouseclonedhumansfororgan(器官)transplants?Why?
Doyouthinkaclonedhumanshouldhavehumanrights?Why?
Doyouthinkclonedhumanswillhavethesametalentsastheoriginalones?Why?AssignmentLanguagepointsforreadingIPeriod3LearningaboutlanguageCheckinganswer–I(2ms)AnswerkeysforEx.1onPage13:Checkinganswer–II(2ms)AnswerkeysforEx.2onPage13:Checkinganswer–III(3ms)AnswerkeysforEx.3onPage13:Checkinganswer–IV(2ms)Answ