2023學(xué)年完整公開課版Unit2CloningReading

ReadingCLONING:WHEREISITLEADINGUS?Unit2CloningDoyouenjoywatchingTVseries?HaveyoueverseenJourneyToTheWest?WarmingupMonkeyKingCloneWhatisaclone?naturalcloneman-madecloneDolly19962000

20012001200220032003clonedmule

2003cloneddeer2003,Italy2005Cloneddog2005HorseNorthAmericaNaturalclone

Man-madecloneonethatoccursfromthe“parent”inanaturalformofcloningwithouthumanhelp.oneproducedthroughhumanintervention(介入).ThebirthofDollyHowisacloneproduced?Pre-readingeggcell卵細(xì)胞nucleus細(xì)胞核somaticcell軀干細(xì)胞embryo胚胎unfertilizedcell未受精卵子culturemedium培養(yǎng)基WhichsheepisDolly’smother?ReadingWhatisclone?Skimthetextanddecideiftheyaretrueorfalse.1Fastreading1Cloningmeansmakingacopyofananimaloraplant.2Gardenerscanmakealotofmoneybycloningplants.3Cloninganimalsisascomplicatedascloningplants.4Dollythesheepwasthefirstsuccessfulcloneofamammal.5Naturalclonehappeninanimalsaswellasinplants.FTFTTexact…anotherTorFcommercialmore(…than…)breakthroughCarefulreading1)Readthetextagainandfindoutthemainideaofeachparagraph.Para.1Para.2Para.3Para.4Para.5Cloningisawayofmakinganexactcopyofanotheranimalandplant.Cloninghastwomajoruses.TheproblemsofDolly.

TheeffectofDollyItisforbiddentoclonehumanbeing.Carefulreading2)Readingthetextagainandfindtheanswertoeachofthefollowingquestion.Giveareason.MainideaDetailsJudgment1.Themainideaofthetextis_____.A.animalcloningisveryvaluableandcanbenefittheworld

B.animalcloningcouldbemisusedbybadpeoplesoitmustbeforbidden

C.animalcloningiswelldevelopedbecauseDollythesheepwasborn

D.animalcloningraisedargumentsandscientistsarenotsureaboutitsfutureDMainideaPara52．Whichofthefollowingstatementsaboutcloningisnottrueaccordingtothetext?

A.Cloningissomethingthathasbeendevelopedquiterecently.B.Twinsthatlookexactlythesameareoriginallyfromthesameegg.C.Cloningisusedbygardenerstomakemoremoney．

D.AnimaIcloningismuchmoredifficultthanplantcloning．Detailshasalwaysbeen3．TheCloningofDollythesheepsucceededbecause____.A.itseasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailedPara24.ThelambisthecloneofthecellfromsheepBbecause_____.A.itprovidestheeggcellB.itgivesbirthtothelambC.itprovidesthenucleusD.itisafemalesheep5.Thesheepthatdonatedthesomaticcellmostprobablylived_____years．A.3B.6C.9D.12JudgmentPara36.WhichofthefollowisNOTaproblemordangerofcloningmentionedinthetext?A.Evilleadersmaywanttoclonethemselves.B.Animalclonesmaydeveloptheillnessofolderanimalsandmaydieyoungerthanthedonoranimals.C.Therearemoralobjectionstocloninghumanbeings.D.Toomuchcloningmayleadtothedestructionofthebalanceofnature.7.Whichofthefollowingisnotanadvantageofcloning?Cloningcanbeusedformedicalpurposes.Largequantitiesoffoodcanbeproducedbycloning.D.Famouspersonswhohavepassedawaycanbecloned.Cloningcanhelpkeepanimalsfrombecomingextinct.8Inthesecondparagraph,theword“straightforward”means____.A.uncomplicatedB.honestC.frankD.difficult9.Wecaninferfromthelastthreeparagraphsthat___.A.ThenormaldevelopmentofDollyhadnoeffectonthecloningofotherspecies.B.Dolly’sseriousdiseaseandfinaldeathdisturbedthewholeworld.C.Dollysuccessfullyclonedanewlambwiththehelpofcloningscientists.D.Therewereargumentsaboutanimalsaboutanimalcloningandconcernsaboutthefutureofcloning.10.Whataboutthewriter’sattitudetowardcloninginthispassage?Thewriterisagainstcloning.Thewriterisinfavourofcloning.Thewriterdoesnotstateanypersonalopinionaboutcloning.Thewriterisinagreementwithcloning.What’syouropinionofcloning?Giveareason.DiscussionLookatthesepictures,anddiscussthisquestionwithyourpartner.Iscloningpeopleagoodthingorabadthing?1.Readthetextaloudandrecitethekeysentencesinth