选修八Unit2Reading.ppt

Reading Cloning WhereisitLeadingus Twins Theyarebornnaturallyandidenticalinsexandappearance Naturalcloneisonethatoccursinanaturalformofcloningwithouthuman shelp Man madecloneisonethatproducedthroughhumanintervention 介入 Inpairs lookatthesepicturesanddiscusswhichonesarenaturalclonesandwhichonesareman made Explainhowtheydiffer Discussion Astrawberryplant Thenewplantsthatgrowfromtherunnersareexactcopiesoftheoriginalplant 一株草莓依靠它沿地 爬走 的匍匐茎 一年内就能长出数百株草莓苗 Astrawberryplant Naturalclone Growingnewplants man madeclone Dollythesheep Shewasclonedwhiletheotherswerebornnaturally Dollywasa sheep cloned HowdoesDollydifferfromothersheep man madeclone 2001cloningcattle 2002年4月16日美国第一头克隆牛 艾米 产下牛犊喜作妈咪 我国成功繁殖克隆兔体形要比普通兔大许多 2002年5月中旬成功地繁殖了一只胚胎细胞克隆兔 2002cloningcats 2005cloningdogs 1 Whatisthemaintopic A Cloning B Dollythesheep C Itwillleadustosomeplaces 2 Whatisthewritingstyle A Expositive 说明性的 B Descriptive C Argumentative 议论性的 Cloning Whereisitleadingus A A Scanning Learningtips Thepassageiswrittenintheexpositivestyle Thatistosay thetextisinthethirdpersonandinfactualandformallanguage Itgivesdifferentpointsofviewbutdoesnottrytopersuadethereadertomakeuphis herownmind 3 Dollythesheep A lookedexactlylikethesheepthatprovidestheegg B wastheexactcopyofthesheepthatprovidesthenucleus C lookedlikethesheepthatgavebirthtoit D hadthecharacteristicsofallthreesheep B 4 Itcanbeinferredfromthepassagethataclonedanimal A usuallylivesaslongastheoriginaloneB usuallyliveslongerthantheoriginaloneC usuallydiesearlierthantheoriginaloneD isusuallyashealthyastheoriginalone C 5 Whichofthefollowingisnotanadvantageofcloning A Cloningcanbeusedformedicalpurposes B Largequantitiesoffoodcanbeproducedbycloning C Cloningcanhelpkeepanimalsfrombecomingextinct D Famouspersonswhohavepassedawaycanbecloned D 6 Whichofthefollowingiswrong A Clonedpeoplecouldliveforever B Clonedpeoplemaybekilledatwillformedicalaid C Awomanwouldhavedifficultyrecognizingherrealhusband D Menwilldieoutbecauseawomancangivebirthtoababywithoutahusband A 7 WhichstatementisNOTtrue A Cloningissomethingthathasbeendevelopedquiterecently B Twinsthatlookexactlythesameareoriginallyfromthesameegg C Cloningisusedbygardenerstomakemoremoney D Animalcloningismuchmoredifficultthanplantcloning A 8 ThecloningofDollythesheepsucceededbecause A itseasiertocloneasheepthanotheranimalsB thescientistsweredeterminedandworkedhardwithpatienceC thescientistswererewardedandgotlotsofmoneyD manyotherattemptstoclonemammalsfailed B 9 ThelambisthecloneofthecellfromsheepBbecause A itprovidestheeggcellB itgivesbirthtothelambC itprovidesthenucleusD itisafemalesheep10 Thesheepthatdonatedthesomaticcellmostprobablylived years A 3B 6C 9D 12 C D 11 Themainideaofthetextis A animalcloningisveryvaluableandcanbenefittheworld B animalcloningcouldbemisusedbybadpeoplesoitmustbeforbidden C animalcloningiswelldevelopedbecauseDollythesheepwasborn D animalcloningraisedargumentsandscientistsarenotsureaboutitsfuture D 12 Wecaninferfromthelastthreeparagraphsthat A thenormaldevelopmentofDollyhadnoeffectonthecloningofotherspecies B Dolly sseriousdiseaseandfinaldeathdisturbedthewholeworld C Dollysuccessfullyclonedanewlambwiththehelpofcloningscientists D therewereargumentsaboutanimalcloningandconcernsaboutthefutureofcloning D Cloningisawayofmakinganexactcopyofanotheranimalandplant Whatiscloning Ithappensbothin andin Theycanbeclonedby and plants animals themselves humans Naturalclone Man madeclone Para1 The ofcloning definition 1 Howmanymajorusesdocloninghave Firstly commercial Secondly research 2 WhenwasthecloningofDollythesheepborn Para2 1996 Themajor and ofcloning uses procedures Atfirst thefactthatDollydeveloped inanaturalwaywas Later thenews shelivedforsixyears halfthelengthofthelifeofthe onewas Finally theproblemthatoccurredtothescientistswasthataclonedanimallives theoriginalone Para3 The ofDolly normally encouraging orginal that aslongas shorterthan longerthan disturbing shorterthan problems Theword controversial inpara4probablymeans A complicatedB arguableC important Para4 The ofDolly impact Trueorfalse 1PeoplefearedthatClonedHitlerswoulddoharmtotheworld 2Alltheresearchintohumanbeingswillbeforbidden 3Somecountrieswillusecloninginawiseway Para5 People s tocloning Manygovernmentsforbadereserchintohumanbeings attitudes theauthordoesnotstateanypersonalopinionaboutcloning A Objective befair B Negative beagainstit C Positive beinfavorofit Thewriter sattitudetowardscloning Because Practiceactivity Debate Areyouinfavorofcloningoragainstcloning Whatisyourpointofviewonit Cloningisvaluablefor researchonanimals medical Advantagesofcloning Medicalcloningcouldproduce forseriousillnessesinhumans cures Cloningplantscanproducelarge ofplantsfor quantities Cloningplantscan