高中英语-book8 unit2 cloning教学课件设计

Pre-classactivitiesFormgroupsandfindgroupleaders.Numberthe5paragraphs.Getyourattentionfocused.4.Bethemasteroftheclass.Youwillbethebest!预学案ReadaloudImportantwords:1.Straightforward2.undertake3.arbitrary4.obtain5.forbid6.accumulate7.bother8.disadvantage9.regulation10.differ,different,difference11.object,objection,objective12.retire,retirement,retired13.assume,assumption14.correct,correction15.resist,resistence,resistant16.reason,reasonable,unreasonableImportantphrases:1.payoff2.feelcastdown3.beinfavorof4.owe…to5.beboundtodo6.strike…intoone’sheart7.bringbacktolife8.invain9.ingood/poorcondition10.ontheonehand…ontheotherhandUnit2Cloning巨野县第一中学娄璇Cloning:Whereisitleadingus?Task1:Cloning:Whereisitleadingus?Peoplehavesomeargumentsaboutcloningandarenotsureaboutitsfuture.Task2:

Dividethe5paragraphsinto4partsandmatchthemwiththemainidea.cloningdefinitionproblemsandimpactusesandprocedureclonedpetsrobotpeople’sreactionsUsesandprocedureofcloningProblemsandimpactofDollyPart1Part2Part3Part4

StructureofthepassagePeople’sreactionstocloningDefinitionofcloningPara.2Para.1Para.3Para.4Para.5Whatiscloning?Cloninghappensinplantsand_____.Itincludes_____clonesandman-madeclones.DetailedReadinganimalsnatural12Cloningisawayofmakinganexactcopyofanotheranimalorplant.Part1(para.1)Naturalclone

isonethatoccurs

inanaturalformofcloning

withouthumanhelp.Man-madeclone

isonethat

producedthroughhuman

intervention(介入).DollythesheepGrowing

newplantsTwinsAstrawberryplantNaturalclone

Man-madecloneWhatarethetwomajorusesofcloning?HowmanyfemalesheepwereneededwhencloningDollythesheep?12Part2(para.2)Firstly,toproducecommercialquantitiesofplants.Secondly,researchonnewplantspeciesandformedicalresearchonanimals.ThreeSheepAprovidesaneggcell.SheepBprovidesasomaticcell.SheepCbecomesthecarrieroftheclone.businessorbuyingandsellingofgoods1eggcellremovenucleussomaticcelltakeoutthenucleusjointhemusingelectricityTheembryoisputintosheepC.Thecelldividesandgrowsintoanembryo.HowtoproduceasheepPairworkItcanbeinferredfromthepassagethataclonedanimal_______.usuallylivesaslongastheoriginalone.B.usuallyliveslongerthantheoriginalone.C.usuallydiesearlierthantheoriginalone.D.isusuallyashealthyastheoriginalone.Dolly’sappearanceraisedastormof________andagreat______onthemediaandpublicimagination.12objectionsimpactdisagreementeffect;influencePart3(para.3-4)haveanimpacton对…有影响

Evilleaders____________________Religiousleaders___________________Governments____________________Somecountries___________________China

_____________________________________________________ambitiouspositivenervousandconservativemoralnegativePart4(para.5)People’sreactionstocloningIn2002,thefirstclonedcowwasborninCaoxiancounty,Shandongprovince.Dabate:Areyoufororagainstcloninghumanbeings

The10-year-oldgirl,KinderdiedinanaccidentinAmerica,clonecanproduceanexactgirlofher.Clonecanmakeawomanwhocan’tgetpregnant(怀孕的）haveachild.Atpresentourcountrylacksorgans(器官）.Theclonedmancantransformhisorganstohisoriginalone(本体)Evilleadersmayclonethemselvestoattaintheirambitions.

Theyhavethesameface.Peoplearenolongerspecialtoeachother.Ourcloningtechnologyisnotperfect.Someclonedbabieshavedeformity(畸形）frombirth.Debate:Whatisyouropinionofcloning?Areyouinfavorofitoragainstit?

谁说谁有理

Cloningisawayofmakinganexactcopyofanotheranimalorplant.Ithastwomajoruses.Oneisthatgardenersuseit1.

(produce)commercialquantitiesofplants.Theotheristhatitis2.

(value)forresearchonnewspeciesandformedicalresearchonanimals.However，theprocessofcloningisdifficult3.

(undertake)．

Fillintheblanks

巩固案toproducevaluabletoundertakeMany4.

(attempt)toclonemammalsfailed.Thefirstsuccessfulclone，Dollythesheep，madethewhole5.

(science)worldfollowitsprogress，thoughithadmoreproblems6.

thenormalsheep.Ontheotherhand，Dolly'sappearance7.

(raise)astormofobjectionsandhadagreatimpact8.

themediaandpublicimagination.Differentpeoplehavedifferentopinionsonit.9.

，scientistsstillwonderwhethercloningwillhelporharmusand10.

itisleadingus.attemptsscientificthanraisedon/uponHoweverwhereSummary

:

1

234Howtotreatcloningproperly.ThelifeofDollythesheepdefinition,usesandprocedureofcloningPeople’sreactionstocloningAsacoinhastwosides,everythinghastwoaspects.Ontheonehand,ifcloningisusedinacorrectwayitcanbringmuchconveniencetous.Ontheotherhand,ifcloningisusedinanevilwayitcancausemuchtrou