高中英語(yǔ)Unit2CloningReading課件新人教版選修8

Unit2Cloning人教版選修八Period1ReadingNaturalclone

isonethatoccurs

inanaturalformofcloning

withouthumanhelp.Man-madeclone

isonethat

producedthroughhuman

intervention(介入).Inpairs,lookatthesepicturesanddiscusswhichonesarenaturalclonesandwhichonesareman-made.Explainhowtheydiffer.discussionAstrawberryplantNaturalcloneGrowingnewplantsman-madecloneTwinsNaturalcloneDollythesheepShewascloned

while

theotherswerebornnaturally.Dollywasa______sheep.clonedHowdoesDollydifferfromothersheepman-madecloneReading

Listentothetapeandfindoutthemainideaofeachparagraph.Cloningisawayofmakinganexactcopyofanotheranimalandplant.WhatiscloningIthappensbothin______andin_______.Theycanbeclonedby________and_______.plantsanimalsthemselveshumansNaturalcloneMan-madeclonePara1

ThedefinitionofcloningPara21996ThemajorusesandproceduresofcloningAtfirst,thefactthatDollydeveloped______inanaturalwaywas__________.Later,thenews_____shelivedforsixyears,halfthelengthofthelifeofthe______onewas__________.Finally,theproblemthatoccurredtothescientistswasthataclonedanimallives

_____________theoriginalone.Para3TheproblemsofDollynormallyencouragingorginalthataslongas/shorterthan/longerthandisturbingshorterthanPara4TheimpactofDollyTrueorfalse:1PeoplefearedthatClonedHitlerswoulddoharmtotheworld.2Alltheresearchintohumanbeingswillbeforbidden.3Somecountrieswillusecloninginawiseway.Para5People’sreactiontocloningManygovernmentsforbadereserchintohumanbeings.theauthordoesnotstateany

personalopinionaboutcloning.A.Objective(befair)

B.Negative(beagainstit)C.Positive(beinfavorofit)Thewriter’sattitudetowardscloningBecause_________________________________________________________________IntensiveReadingFillinthechartonPage12usingtheinformationfromthetext.Whichiseasiertoclone,plantoranimalDiscussion

Homework1.

TranslatetheprocedureofcloningDollythesheepintoChinese.2.

FinishEx.1,2,3,Page12.AstrawberryplantThenewplantsthatgrowfromtherunnersareexactcopiesoftheoriginalplant.一株草莓依靠它沿地“爬走〞的匍匐莖,一年內(nèi)就能長(zhǎng)出數(shù)百株草莓苗富貴竹插枝即活

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