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1、VocabularyAndReading薹P64-P66-C10mandDNAJIGoalsforreading:1“TodescribethefollowingitemsinEnglish:。DNA。cloning。clone2ToexplainreasensasellasvicesandvirtuesinaProperIyayWARMINGUPBYWORDSREVIEWING.BrainstormRimmingDividethepassageintothreepartsandfindoutthemainideaofeachpart。Partt:Para.1_to2thediscoveryo
2、fDNAandcloningPart2:Parc、3thewayhowcioningworRsPart3:Para.4_to_8_thereasonswhyscientistswantcloningorthestudyingofDNAandtheirrelativedisadvantages1.Whatsthewritingstyleofthispassage?Exposition(说明文)2.Whatsthewriter“5purposebywritingthepassage?TointroducesomefactsaboutcloningandDNA.3。Whatstkewritersat
3、titudetowardiscloningorthestudyingcfD门?A.ApprovingB.CriticalC.ObjectiveD.IndifferentObjective。WHV272Carefulreading:Partone1.WhatsDNA?2.Findoutthefactsaboutthefollowingtimes。186619531973严-1,WhatsDNA2?DNAisatransparenttwistingladdern1ude。fthefundamentalcomponentsoflife。1866Mendelfirstrecordedtheresult
4、sofgrowing_peaplants.Heunderstoodthatboththeparentplantshadinfluencedthe_genetic_make-upofthenewplant。1953TwoscientistsinEnglanthe_acidDNA.1973Twobiochemistsdiscovereda_proceduretouse_enzymesto_unzipDNA,tocutoutasequence_ofgenes,andfinallyto_insertthemintothehost_cell。ddkc。veredthe5tructureofCareful
5、readingParttwo1,。Whatiscloning?CloningtahesDNAfromasingle-Ecellto_createawholenewindividuall2.Whatisaclone?Acloneisan_organisruhichisgenetically_identicaltoanotherone。CarefulreadingPartthreeAduvantagesRelativedisadvantagesanoptionaltreatmentfortheclone,underunknowncoupleswhofinditdifficulttopsychologicalpressurehavechildrenthroughouthischildhoodchooseapathinlifetoreproducethetalents“contradictorytotheoriginalontof.薯:.P!|。._humannewvicesinsteadofvirtues-beingstoobtainasupplyofWastetheembryostemcellshandytoclonerestrictthebiodiversityoftohelpsolvecrimesby-analyzingthesuspectssaliva
