人教版高中英语选修八课件unit2第一学时readingandcomprehension

英语·选修8(人教版)第一学时ReadingandComprehensionTask1语篇理解快速阅读课文“Cloning:WhereIsItLeadingUs？”，以约30词写出文章的段落大意。温馨提示：本文是说明文。写摘要时要扣住文章试图说明的主要方面，包括类型、功能，如植物克隆、动物克隆、人们对克隆的疑惑及对其未来前景的担忧等。________________________________________________________________________________________________________________________________________________________________________________________________Cloningisacommonwaywithtwomajorusesincludingplantsandanimalscloning.However，Dolly’sdeathshockedpeopleevenscientistsdoubtitsvalueandthefutureofcloning.(29words)Task2语篇理解仔细阅读课文“Cloning：WhereIsItLeadingUs？”，根据课文内容选择正确答案。1．HowmanyfemalesheepparticipatedinthecloningofDollythesheep?A．Three.B．Two.C．One.D．Four.2．Allthefollowingstatementsaretrueexcept________________________________________________________.AA语篇理解A．thecloningofanimalshasaneasierprocedurethancloningplantsB．theprocedureofcloningmammalsisnotaccurateenoughtosucceedinthebeginningC．thescientistswererewardedin1996fortheirdeterminationandpatienceincloningD．thecloningofanimalshasamorecomplicatedprocedurethancloningplants语篇理解3．Theadvantageofcloningis________．A．cloningplantscanbeusefulforresearchonnewplantspeciesB．animalclonesmaydeveloptheillnessesofolderanimalsC．evilleadersmaywanttoclonethemselvesD．cloninghumanbeingswillraisemoralquestionsA语篇理解4．Whatdoes“castdown”inthethirdparagraphmean?A．excited.B．disappointed.C．surprised.D．anxious.B语篇理解5．Accordingtothepassage,whatisthewriter'spointofview?A．Thewriterisinfavorofcloning.B．Thewriterisagainstcloning.C．Thewriterdoesnotstateanypersonalopinionaboutcloning.D．Thewriterthinksitillegaltoresearchintohumancloning.CTask3语篇理解再次阅读课文“Cloning：WhereIsItLeadingUs？”，完成下列表格。Cloning：whereisitleadingus？Whatiscloning？Awayof1.________________________ofanotheranimalorplant.ThetwomajorusesFirstly，toproduce2._____________quantitiesofplants.Secondly，forresearchon3.___________________andfor4.__________researchonanimals.TheproblemsofDollyDolly'sillnessweremoreappropriateto5.______________________；Dollylivedonly6.__________thelengthofthelifeoftheoriginalsheep；thesamearbitraryfateaffected7.__________.makinganexactcopycommercialnewplantspeciesmedicalamucholderanimalhalfotherspecies语篇理解TheeffectsofDollyRaisedastormof8.__________andhadagreatimpacton9.________________________；10.__________people'seyes.AttitudestowardcloningEvilleadershopeto11.________________；Religiousleadersraised12.________________；Governmentsbecame13.__________________________________；ChinaandtheUKcontinuedto14.______________________________.objectionsthemediaandpublicimaginationopenedclonethemselvesmoralquestionsnervousandmoreconservativeaccumulateevidenceTask4语篇理解根据课文“Cloning：WhereIsItLeadingUs？”在下文空格中填上恰当的词语，使文章连贯完整。1．________(clone)isawayofmakinganexactcopyofanotheranimalorplant.Gardenersuseitallthetimetoproduce2._____________(commerce)quantitiesofplants，3.________scientiststhinkitvaluableforresearchonnewplantspeciesandformedicalresearchonanimals4.________theprocedureisdifficultCloningcommercialandthough语篇理解5.____________(undertake).6.________，thedeterminationandpatienceofscientists7._________________(reward)in1996withabreakthrough—thecloningofDollythesheep.Thefact8.________Dollylivedsixyears，halfthelengthofthelifecastdownthecloningscientists，whostillwonder9.________cloningwillhelporharmmankindwhenthemoralquestions10._______________(raise)．toundertakeHoweverwasrewardedthatwhetherareraised