高中英语 Unit 2 reading课件 新人教版选修8.ppt

《高中英语 Unit 2 reading课件 新人教版选修8.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、选修8Unit2CloningLookatthepicturesanddiscusswhichonesarenaturalclonesandwhichonesareman-madeclones.ShewasreportedonTVandmajorpapersCloning,whereareyouleadingus?......1.Whatiscloning?Itisawayofmakinganexactcopyofanotheranimalorplant.Firstreading2.What’sthest

2、yleofthepassage?A.narrative(记叙文)B.argumentative(议论文)C.explanatory(说明文)3.Canyouputthetopicsentencesintoparagraphsthattheybelongto?(Attention:oneofthembelongstonowhere.)①Dolly’sproblemanddeath②Whatiscloning?③Twomajorusesofcloning⑥TheeffectofDolly⑤Theprocedur

3、eforhumancloning④ArgumentsbroughtbyDollyPara1Para2Para3Para4Para5②Whatiscloning?③Twomajorusesofcloning①Dolly’sproblemanddeath⑥TheeffectofDolly④ArgumentsbroughtbyDolly⑤TheprocedureforhumancloningSecondreading1.Whatarethetwomajorusesofcloning?Thefirstuseisto

4、producecommercialquantitiesofplants;thesecondoneistoresearchonnewplantspeciesandmedicalresearchonanimals.2.Iscloningplantsthesamewithcloninganimals?A.Yes,theyarethesamewitheachother.B.No,cloningplantsisstraightforwardbutcloninganimalsismorecomplicated.3.Gi

5、vearightorderofcloningDolly‘sprocedure①Thecelldividesandgrowsintoanembryo.②ThelambisthecloneofthedonatedcellfromSheepB.③AnucleusistakenoutofSheepB’ssomaticcell.④TheembryoisputintofemaleSheepC.⑤TheeggcellfromSheepAandthenucleusfromSheepBarejoinedusingelectr

6、icity.⑥TheeggcellfromSheepAisremovedanucleus.Theorder:________________________①②③④⑤⑥1.TrueorFalsequestions.①Dollythesheepwasthefirstsuccessfulcloneofamammal.②SomecountrieslikeChinadidn’tstophumancloningresearch.③aclonedanimalusuallydiesearlierthantheorigin

7、alone.④Evilleaderscanclonethemselvestoabtaintheirambitions.TFTFThirdreading2.Whatisthewriter’sattitudetowardcloninginthispassage?A.Thewriterisagainstcloning.B.Thewriterisinfavorofcloning.C.Thewriterdoesnotstateanypersonalopinionaboutcloning.3.What’stheaffe

8、ctofcloning?Ontheonehand,itopenedeverybody’seyestothe____________ofusingcloningtocure_______________andevenproduce_____________;Ontheotherhand,Itsappearanceraisedastormof___________andhadagreatimpactonthe____