高二英语人教新课标选修8Unit2-the-return-of-the-dinosaurs

Unit2ReadingⅡTheReturnoftheDinosaurs?霸王龙tyrannosaurus剑龙stegosaurus雷龙brontosaurus翼龙pterodactylWhat’sthemainideaofthetext?Para1explaintheimpossibilityofcloning dinosaursPara2concludethatit’sjustadreamPara3introducethetopicofthepassageReadingComprehensionIWhatisthewriter’sattitudetowardscloningthedinosaurs?

A.Supportive.B.Neutral(中立旳).C.Negative(否定旳).D.Subjective(主观旳).Whyisiteitherimpossibleorunsuitabletoclonedinosaurs.?(Givesomereasons.)Reason1:Reason2:Reason3:DNADiversityHabitatScientistsarestillexperimentingwithcloningmammalsbecausetheythinkitcanmakemoney.Ifwecancloneanyextinctanimals,weshouldletthemliveinazoo.ReadingComprehensionⅡ1.Whyisitwrongtocloneanextinctanimalifitwouldhavetoliveinazoo?Becauseitisnotasuitablehabitattodevelopandincreaseitsnumbers.Thezooisnotanaturalenvironmentforawildanimal.2.Whyshouldn’tyoucloneanextinctanimalifthereisn’tenoughdiversityinthegroup?

Because

therewillnotbeenoughgeneticvariationinthegrouptobeabletoresistnewillnesses.

Summary:

Agoodpassageusuallyhasaclearorganizationorstructure.Bulletpoints(first,second,third…)Goodorusefulsentencepatterns(transitions连词)Thestructure:thethree-paragraphform(三段式)

WritingThecloningofhumanbeingsFromtimetotimepeoplesuggestthatcanpossiblybebroughtbacktolifethroughcloning.Unfortunately,withwhatweknownow,thisiseitherimpossibleorunsuitable.Herearethereasons：Firstly,Secondly,Finally,SoIthink,basedonwhatweknownow,youcannot

.Itismerelyadream.

What’syouropinionofcloningdinosaurs?

What’syouropinionofcloninghumanbeings?FreeTalkDiscussionTheCloningofHumanBeings

Stemcells(干细胞)areresponsiblefordevelopingandrepairingthebodythroughoutlife.Asaresult,theymightbeusedtorepairdamagedordiseasedorgansandtissues.Researchersarelookingoncloningasawaytocreategeneticallyengineeredhumanstemcellsforresearchandmedicalpurposes.Tocloneornottoclone:thatisthequestion.Humancloningishighlycontroversialandraisesanumberofproblem.Whywouldpeoplewanttoclonehumans?Oneimportantreasonistohelpchildlesscoupleshavechildren.Fromatechnicalpointofview,beforehumansarecloned,weneedtohaveagoodideaoftherisksinvolved.Cloninghumansdoesgiverisetosomemisgivings(误解),raisinganumberofmoralproblemsinvolved.Infact,thesocialinfluencesofproducinghumansartificiallywerebrilliantlyexploredinthefamousnovelBraveNewWorldbyAldoushuxley,andalsointhemovieTheIsland.Humancloningisbasicallyaboutcreatingageneticallyidenticalcopyofapreviouslyexistingperson.Whywouldsomechoosetoclonehumanbeings?Well,generally,itcanmakecouplesunabletohavebabieshaveownchildren.Replacingadeadchildisalsoanotherreasonwhysomepeoplehaveexpressedinterestinthetechnology.

“当然应该‘克隆’人,假如谁第一种掌握了这个技术,他就是我真正旳、也是唯一旳竞争对手。”—比尔·盖茨Naturalselectionandsurvivalofthefittest.---CharlesDarwin物竞天择,适者生存。---查尔斯·达尔文

“当然应该‘克隆’人,假如谁第一种掌握了这个技术,他就是我真正旳、也是唯一旳竞争对手。”—比尔·盖茨Naturalselectiona