•Scientistshavea__________thattheyhaveclonedthefirsthumanembryo.Thishascausedmuchd____roundtheworld.Ontheonehand,somescientistsp______outthatifyoucloneanembryo,youcanproducev________humant________--suchasboneorlung组织–thatcouldbeusedtosavehumanlives.Ontheotherhand,manypeople,includingsomescientists,disagreeandareafraidthat,ifmankindt______withnatureinthisway,wemaybeonourw______toproducingar_____Frankensten’smonster.•Cloningisproducingane_____copyofaplantorananimalusingitsc___.•…She(Dolly)wasbornin1996anddiedineaely2003,atamuchyoungeragethann______....However,ing____,thescientistswerep______fortheirwonderfuls_______advance.•IanWilmut,theScottishscientistwhocreatedDolly,iss_____thatsomescientistsarenowconsideringcloninghumanbeings.A______heresearchescloning,hisi____hasneverbeentocreatecopiesofhumans.Instead,hethinksresearcheffortsshouldc_____oncreatingnew组织ando_____thatcanbeusedtoc______diseaseslikecancer.•Eventhoughhumancloningiscausingalotofa____,itisgoodnewsforFayeWilson,a41-year-oldsaleswomanwhocannothaveababy.“Iama______tohaveachild_____________(自己的).”Shesays“Idon’twanttoadopt_____________(他人的)child-______________________________(如果我有机会,我想立刻拥有一个克隆的孩子)”•Whilecloninghumanembryosisnotlegalinmanycountries,somescientistsarealreadypushinga______withresearchinordertoproduceaclonedhumanbaby.•Chinahass________inproducingclonesofcowsandgoat,andcontinuestoresearchwaysinwhichcloningcanb_____mankind.The1stletter•Ifwe玩弄nature,wewillhavetodealwiththec____________.Whoknowswhatcouldhappen?Humanlife•Wouldjustbecomeacroptobeh_______oraproductfors______.The2ndletter•Iwouldliketoc______onyourarticle,“Theperfectcopy”.Ithinkthe科学的advancesm_______inyourarticlearef________(极好的)!Iamincompletea_______withhumancloning•Aftera____,scientistshavebeenchallengingm_____ideasforcenturies.Whyshouldwestopthemnow?•Onap_____note,cloingwouldtotallyt______mylife.Sevenyearsago,my10-year-olddaughterdiedofheartf_____.Shewasbeautiful,cheerfulandbright.Imisshereverys_____day.•1.beat•2.bite•3.bring•4.choose•5.catch•6.deal•7.drink•8.drive•9.fall•10.feed•11.fight•12.holdPleasewritedownthesimplepastformandthepastparticipleofthefollowingverbs•Keys•Scientistshavea__________thattheyhaveclonedthefirsthumanembryo.Thishascausedmuchd____roundtheworld.Ontheonehand,somescientistsp______outthatifyoucloneanembryo,youcanproducev________humant________--suchasboneorlung组织–thatcouldbeusedtosavehumanlives.Ontheotherhand,manypeople,includingsomescientists,disagreeandareafraidthat,ifmankindt______withnatureinthisway,wemaybeonourw______toproducingar_____Frankensten’smonster.nnouncedebateointaluableissuesoysayeal-life•Cloningisproducingane_____copyofaplantorananimalusingitsc___.•…She(Dolly)wasbornin1996anddiedineaely2003,atamuchyoungeragethann______....However,ing____,thescientistswerep______fortheirwonderfuls_______advance.xactellsormaleneralraisedcientific•IanWilmut,theScottishscientistwhocreatedDolly,iss_____thatsomescientistsarenowconsideringcloninghumanbeings.A______heresearchescloning,hisi________hasneverbeentocreatecopiesofhumans.Instead,hethinksresearcheffortsshouldc_____oncreatingnew组织ando_____thatcanbeusedtoc______diseaseslikecancer.hockedlthoughntentiononcentratergansure•Eventhoughhumancloningiscausingalotofa____,itisgoodnewsforFayeWilson,a41-year-oldsaleswomanwhocannothaveababy.“Iama______tohaveachild_____________(自己的).”Shesays“Idon’twanttoadopt_____________(他人的)child-______________________________(如果我有机会,我想立刻拥有一个克隆的孩子)”nxietynxiousofmyownsomeoneelse’sIfIhadthechance,Iwouldhaveaclonedbabyrightnow.•Whilecloninghumanembryosisnotlegalinmanycountries,somescientistsarealreadypushinga______withresearchinordertoproduceaclonedhumanbaby.head•Chinahass________inproducingclonesofcowsandgoat,andcontinuestoresearchwaysinwhichcloningcanb_____mankind.ucceededenefitThe1stletter•Ifwe玩弄nature,wewillhavetodealwiththec____________.Whoknowswhatcouldhappen?Humanlife•Wouldjustbecomeacroptobeh_______oraproductfors______.onsequencesarvestedaleThe2ndletter•Iwouldliketoc______onyourarticle,“Theperfectcopy”.Ithinkthe科学的advancesm_______inyourarticlearef________(极好的)!Iamincompletea_______withhumancloning.ommententionedantasticgreement•Aftera____,scientistshavebeenchallengingm_____ideasforcenturies.Whyshouldwestopthemnow?•Onap_____note,cloingwouldtotallyt______mylife.Sevenyearsago,my10-year-olddaughterdiedofheartf_____.Shewasbeautiful,cheerfulandbright.Imisshereverys_____day.lloralersonalransformailureinglePleasewritedownthesimplepastformandthepastparticipleofthefollowingverbs•1.beat•2.bite•3.bring•4.choose•5.catch•6.dealthesimplepastformthepastparticiplebeatbeatenbitbittenbroughtbroughtchosechosencaughtcaughtdealtdealtPleasewritedownthesimplepastformandthepastparticipleofthefollowingverbs•7.drink•8.drive•9.fall•10.feed•11.fight•12.holdthesimplepastformthepastparticipledrankdrunkdrovedrivenfellfallenfedfedfoughtfoughtheldheld•1.arise•2.become•3.begin•4.bleed•5.blow•6.buy•7.draw•8.drive•9.eat•10.freeze•11.hurt•12.leavePleasewritedownthesimplepastformandthepastparticipleofthefollowingverbs•13.l