高中英语-Unit 2 Cloning教学课件设计

Unit2Cloning——Reading

诸城一中英语组丁桂连

Learningaims:1.掌握本文章中出现的重点词汇、短语，能复述课文。

2.深入理解课文，培养阅读和说的能力。

3.了解什么是克隆、克隆的利弊及对克隆技术的反思。Top10inventionsin20thcenturyDoyouknow?atomicbombNo.10

No.9spaceshuttletelevisionNo.8artificialsatelliteNo.7aspirinNo.6airlinerNo.5personalcomputerNo.4mobilephoneNo.3internetNo.2

cloningNo.1

Howmuchdoyouknowaboutcloning?

NaturalcloneorMan-madeclone？DollythesheepAstrawberryplantGrowingnewplantsTwinsPrediction

Whatdoyouthinkthearticleisaboutbyreadingthetitleofthetext?CLONING:WHEREISITLEADINGUS?

Thepassagetellsusthatanimal_______raisedargumentsandscientistsarenotsureaboutits______.cloningfutureSkimthefollowingpassageandgetthemainideaofeachparagraph.1.__________________________________.2._____________________________________.3.The_________ofDolly.4.The________ofDolly.5.____________________________________TheattitudetowardscloningeffectproblemsCloninghastwomajoruses.ThedefinitionofcloningCarefulReading

Scaneachparagraphandatthesametime,finishtheexercisesonthepaper.Para1DefinitionPara2Twomajorusesofcloning(1)Cloningisawayof_____________________ofanotheranimalandplant.(2)Ithappensbothin______andin_________.Ithastwokinds:__________________and__________________.(1).Howmanymajorussesdocloninghave?Firstly,…commercial…Secondly,…research…(2)Howtoproduceasheep?plantsanimalsNaturalclonesMan-madeclonesmakinganexactcopy产出有核卵细胞无核卵细胞体细胞取出细胞核用电融合细胞代孕母羊细胞分裂形成胚胎Howtoproduceasheep（我也来当科学家）Para3TheproblemsofDollythesheepWhataretheproblemsofDollythesheep?Thesheepthatdonatedthesomaticcellmostprobablylived________years.A.3B.6C.9D.13Problems:

Clonedanimalsmaydevelopthe________ofolderanimals.Clonedanimalsmaylives__________theoriginalone.aslongas/shorterthan/longerthanillnessesshorterthanTheword“controversial”inparagraph4probablymeans____________.A.complicatedB.arguableC.importantPara4TheimpactofDollyOntheotherhand,Dolly’sappearanceraisedastormofobjectionsandhadagreatimpactonthemediaandpublicimagination.TranslationTrueorfalse:1PeoplefearedthatClonedHitlerswoulddoharmtotheworld.2Alltheresearchintohumanbeingswillbeforbidden.3Somecountriestoaccumulate

evidenceoftheabundantmedicalaidthatcloningcouldprovide.Para5People’sreactiontocloningManygovernmentsforbaderesearchintohumancloning.theauthordoesnotstateany

personalopinionaboutcloning.A.Objective(befair)

B.Negative(beagainstit)C.Positive(beinfavorofit)Thewriter’sattitudetowardscloningBecause_________________________________________________________________DisadvantagesofcloningAdvantagesofcloningAnimalclonesmay

ofolderanimals.UseittoproduceofplantsAnimalclonesmay_____________thanthedonoranimals.Cloningcanbevaluablefor.

______________maywanttoclonethemselves.Religiousleadersraised

.Cloningcanhelpsave

_______________________.Fillinthechartusingtheinformationfromthetext.developtheillnesses

liveshorterEvilleadersmoralquestionscommercialquantitiesCloningplantscanbe_______forresearchonnewplantspecies.medicalresearchonanimalsendangeredanimalsvaluableStudentsdiscussthequestionsbelowingroups,whendiscussing,theheadofeachgroupshouldwritedowntheopinionsofallthemembers.Afterthediscussion,thevolunteerofeachgroupisaskedtochooseonenumberandanswerthequestionbehindit.PlayagameHowiscloneproduced?2.

Areyou

infavorof

thehumancloning

oragainst

it?Why？

3.Cloningpeopleisagoodthing,orabadthing?4.Doyouwanttohaveacloneoneofyourselforaclonebrotherorsister?Whyorwhynot?Referencequestions:

2分

4分

8分

6分Chooseonenumberandanswerthequestionbehindit,andthenyoucangetthepoints.Howiscloneproduced?Thecloningofplantsissimpleandrelativelyeasy.Itcanbedonebytakingcuttings(man-madecloning)orlettingtheplantproduceitsownrunners(naturalcloning).Thecloningofanimalsismorecomplicated.Itwasnotachieveduntil1996andisfullyexplainedinthefirstreading.2.

Areyou

infavorof

thehumancloning

oragainst

it?Why？Thewriter’sattitudetowardscloningisobjective.Becausethewriterdoesnotstateanypersonalopinionaboutcloning.Cloningpeopleisagoodthing,orabadthing?Asacoinhastwosides,everythinghastwoaspects.Ononehand,ifcloningisusedinacorrectway,itcanbringmuchconveniencetous.Ontheotherhand,ifcloningisusedinanevilway,itcancausemuchtrouble.Therefore,weshouldusecloninginacorrectway.Doyouwanttohaveacloneoneofyourselforaclonebrotherorsister?Whyorwhynot?AsfarasI’mconcerned,itisabadthingtohaveacloneoneofmyself.Iamgreatlyconvincedthatifhumansarecloned,