reading评优课.ppt

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1、Unit3ScienceversusnatureWhatdoesversusmean?Itisusedwhendiscussingsportscompetitionorthelaw,whichmeansthattwoteamsorsidesareagainsteachother.VersusThematchtonightisChinaversusJapan.theproblemofpeaceversuswarToday,wewilldiscussanewtechnologycalled‘cloning’.Accordingtowhatyouhavelearntinbi

2、ology,doyouknow1WhatiscloningtechnologyCloningisproducinganexactcopyofaplantorananimalusingitsowncells.2.DoyouknowwhatisthefirstclonedmammalThesheepcalledDollyHello,I‘mDolly.Iamtheworld’sfirstclonedmammal.Picture-talkDollyThefirstclonedmammalDollyandItsFather-IanWilmutThemule(骡）inthepic

3、tureistheworld’sfirstclonedmule.Itwasbornon4May2003.HisnameisIdahoGemandhisbrother,Taz,wasaracingmulethathaswonmanycompetitions.ThekitteninthepictureiscalledCc.Itsnameisfrom‘Copycat’.ScientistsintheUSAcreateditwithacelltakenfromitsmother,Rainbow.ItwasborninDecember2002.Iwascreatedusinga

4、cellfromanadultcatJustcallmeNoel,OK?I’mAngel,inyourheartI’myourStar.Lovemeplease.Hi!I’mJoy.I’mhappy-go-luckyeveryday.I’mthebeautifulMaryThenameoftheclonedmonkeyisANDi.Itisfrom‘insertedDNA’speltbackwards.Itisthefirstgeneticallymodified（基因更改）monkey.Thetechnologyisdifferentfromthatusedfor

5、Dolly.cloneBrainstorminggenegeneticgeneticallycellembryoorgansheepmammaltissuestemcellbiologycopycloningClonedReadingScienceVersusNatureFirstreading—MainideaSecondreading—UnderstandingscientifictermsThirdreading—DetailedinformationFurtherdiscussionHomeworkReadingstrategyReadingstrategyG

6、othroughthereadingstrategy,andfindouthowtoworkoutthemeaningofthesescientificterms.Step1Step2.Step3Beginbyreadingthefirstandlastparagraphsforanideaofwhatthearticleisabout.Circleanywordsyoudonotknow.QuestionthingsyoudonotunderstandorthatdonotappeartomakesenseReadthroughthearticleafewtimes

7、,andmakesenseofthescientifictermsuponfurtherreadings.Firstreading—MainideaRefertothereadingpassageandfindoutthemainidea.(Thereadingpassageismadeupofanewspaperarticleaboutcloningandtworeaders’letters.Wewillbegiveninformationabouthowcloningisbeingresearchedandthedifferentattitude