Unit2ReadingTop10inventionsin20thcentury:NO.10atomicbombNO.9spaceshuttleNO.8televisionNO.7artificialsatelliteNO.6aspirinAirlinerNO.5NO.4personalcomputerNO.3MobilephoneNO.2internetNO.1cloningHowmuchdoyouknowaboutcloning?Cloningisawayofmakinganexactcopyofanotheranimalorplant.Itcanbedividedintonaturalcloneandman-madeclone.Anaturalcloneisonethatoccursinnatureandaman-madecloneisonethatisproducedthroughhumanintervention(介入,干预).克隆马及其“母亲兼姐姐”Howisaclonemade?Iscloninggoodfortheworld?Commercialuse:Astrawberryplant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Organization(firstreading)_____Whatisthecloning._____Twomajorusesofcloning._____TheprogressandeffectofDolly._____Controversyofapplicationtohuman213-45readingpara.1&2-----TrueorFalse1.Cloningmeansmakingacopyofananimaloraplant.2.Gardenerscanmakemoneybycloningplants.3.Cloninganimalsisascomplicatedascloningplants.FTF4.Dollythesheepwasthefirstsuccessfulcloneofamammal.5.cloningisvaluableforresearchonnewspeciesandmedicaluse.TT1.Thesheepthatdonatedthesomaticcellmostprobablylived____years.A.3B.6C.9D.12推理判断2.“Dolly’sillnessesweremoreappropriatetoamuchmoreolderanimal”meansthat___.A.Dolly’sillnesswouldmakeDollybecomeoldB.DollywouldhavesuchillnesswhenitbecomeolderC.YounganimalslikeDolly’sageshouldn’thavesuchillness1.Whatisthewritingstyle?A.Expositive(说明性的)B.DescriptiveC.Argumentative(议论性的)D.Narrative3.Thewriter’sreactiontowardscloningis____A.PositiveB.NegativeC.neutral2.Fromthetextwecanseethatsomepeople_________thehumancloningwhileothers_________it.areagainstareforproblemsofcloning1.Animalclonesmaydeveloptheillnessesofolderanimals.2.Animalclonesmaydieyoungerthanthedonoranimals.4.Therearemoralobjectionstoclonehumanbeings.3.EvilleaderswanttoclonethemselvesAdvantagesofcloning1.Medicalcloningcouldproducecuresforseriousillnessesinhumans.2.Cloningplantscanproduceplantsofsimilarqualityforsale.3.Cloningplantscanbeusefulforresearchonnewplantspecies.4.Cloningcanhelpsaveendangeredanimals.ConsolidationCloneisawayofmakinganexact_______ofanotheranimalorplant.Cloninghavetwo______uses.Firstly,gardenersuseitallthetimetoproduce_____________quantities.Secondly,itisvaluableforresearchonnewplant_________andformedicalresearchonanimals.Butthroughthe_________anddeathofDolly,cloninghasalotofproblems.Ontheotherhand,weknowcloningiscontroversialinsomecountriesfor________and___________reasons.copymajorcommercialspeciesbirthmoralreligious