2023學(xué)年完整公開課版Book6Module5Period3教學(xué)設(shè)計

Period3ListeningandVocabularyandReading山東省無棣縣第二高級中學(xué)朱希根ObjectivesToimprovestudents’listeningabilityTolearntoknowsomethingaboutcloningandDNAProceduresPART1ListeningWarmingupbytalkingaboutthefollowingquestions1.Whodowegetourgenesfrom?Ourparents.2.Howmanyparentsdoesaclonedanimalhave?One.3.Whereareclonedanimalscreated? Inalaboratory.4.InwhatwayareSheepAandSheepBidentical?Theyhaveidenticalgenes,andsoareidenticalineveryway.B.Listeninga.Listentosaywhichoftheargumentsbelowareforcloningandwhichareagainstcloning.WriteF(for)orA(against).1.Cloningisagainstnature.2.Cloningwillbebeneficialtohumans.Forexample,ifacouplecan’thavechildren,cloningcouldhelpgivethemachild.3.Clonedanimalsgetillanddiequiteyoung.4.Peopleareafraidthatscientistswillcreatethousandsofcopiesofthesameperson.5.Cloningisdangerousbecausescientistmaycreatemonstersbymistake.6.Wecouldusecloningtocureillnesses.b.listetocorrectthewronginformationinthesesentencesaccordingtothelisteningmaterial.1.DrHughDonavilleworksforacompanythathasalreadyclonedanumberofpeople.2.AsheepcalledDollywasclonedin1998.3.Dollythesheepdiedin2022.4.DonavillethinksscientiststreatedDollythesheepasaproduct.5.Donavillesaysthatifachildisveryill,scientistscouldcloneit.6.Donavillethinksit’sagoodideatohavethousandsofcopiesofthesameperson.7.Donavillesaysthatwecouldcloneanimalsthathavebecomeextinct.PART2VocabularyandRA.WarmingupWorkinpairsandanswerthequestions.Whatis___?1.DNA thefundamentalcomponentoflife2.aclone anorganismwhichisgeneticallyidenticaltoanother3.astemcell acellthatcandevelopintoeveryothertypeofcell4.thegeneticmake-upofapersonoraplant theparticulargenesthatgiveapersontheirphysicalcharacteristics5.bacteria verysmallorganismsthatcausediseases6.anenzyme chemicalsformedinthebodyB.Readthepassageandfindtheparagraphswhichdescribe:a.WhenthestructureofDNAwasdiscovered Paragraph1(1953)b.Howtoclonesomething Paragraphs2,3(taketheDNAfromasinglecelltocreateanotheridenticalindividual)c.fourpossiblereasonsforcloning Paragraphs4(asanalternativetreatmentforcoupleswhofinditdifficulttohavechildren),5(toreproducethetalentsofexceptionalpeople),6(toobtainasupplyofstemcells),7(tohelpfarmersgrowresistantcrops)d.thedisadvantagesofcloning Paragraphs4(aclonewouldbeunderunknownpsychologicalpressure),5(aclonemaypossessnewvicesinsteadofexistingvirtues),6(embryosmadeformcloneswouldbewastedwhichsomepeoplewouldfindunacceptable),7(torelyonafewclonedanimalsorcropswouldrestrictbiodiversity)C.Readthetextagainanddecidewhetherthefollowingstatementsaretrue(T)orfalse(F).scienceofgeneticswasdiscoveredbytwoscientists,WatsonandCrickatCambridge2.Stemcellsinembryoscanhelpsomeonerecoverfromadisease,repairhumantissueandsoon.()3.Thechildwhowasacloneofoneofhisparentswouldhavepsychologicalpressurethroughouthischildhood.()Answers1-3FTTD.Keysentences:’scertainlytruethatin1953,twoscientistsdiscoveredthestructureoftheacidDNA.wasin1866thatMendelfirstrecordedtheresultsofgrowingpeaplants.3.HediscoveredaproceduretouseenzymestounziptheDNAandcutoutasequenceofgenes.4.Acloneisanorganismwhichisgeneticallyidenticaltoanotherone.5.Aprizecowwhichresistbacteriaordisease,ortosowaclonedcropwhichcanresistrotorpests.6.Torelyonafewclonedanimalsorcropswouldrestrictthebiodiversityofthebreed.E.Languagepoints:1.Acloneisanorganismwhichisgeneticallyidenticaltoanotherone.【單詞解釋】identical同一的；同樣的Weareidenticalinourviewsofwhatshouldbedone.我們雙方對應(yīng)當怎么辦的看法是一致的Thisistheidenticalhotelthatwestayedinlastyear.這就是我們?nèi)ツ曜∵^的那家旅館【習慣用法】(常與with連用)完全相同的twodesignsarealmostidentical.這兩種式樣幾乎完全相同。Myopinionisidenticalwithhis.我的意見和他的意見相同?！驹~匯拓展】identifyv.identifysb/sthassb/sthidentifysthwithsth認為某事物與某事物等同identifiedthemanasherbrother.她把那個男人認成了他的兄弟。Onecan’tidentifyhappinesswithwealth.幸福和財富不能混為一談。2.Aprizecowwhichresistbacteriaordisease,ortosowaclonedcropwhichcanresistrotorpests.【單詞解釋】resist1).意為“抵抗；反抗；”。如：Therebelarmyresistedthepolice.叛軍與警察對抗。ThelaborerspreparedtoresistandtooverthrowthisGovernment.勞動人民準備反抗推翻這個政府。2).意為“抵御；阻止；抗；耐”。如：Formonthsthecompanyhasresistedchangingitsaccountssystem.數(shù)月以來，這家公司阻止改變它的帳目。Thismetalresistsrust.這種金屬是防銹的。3).意為“經(jīng)得??；不屈從”,常用于否定句。如：Jillcouldn’tresistmakingjokesabouthisboldness.吉爾忍不住拿他的禿頂開玩笑。Shecouldn’tresistsweets.她看到甜食就想吃。[詞匯拓展]resistancen.[詞匯拓展]（不可數(shù)）抵抗，對抗；反對,抵抗力,阻力(與to連用)resistantadj抵抗的，有抵抗力的Thedemonstratorsofferedlittleornoresistancetothepolice.示威群眾對警方?jīng)]怎么抵抗。Rebelgunmenhaveputanendtoarmedresistance.叛軍停止武裝抵抗。Thefirmhastoovercomeitsresistancetonewtechnology.這家公司必須克服對采用新技術(shù)的阻力。Ahealthypersonoffersmoreresistancetodiseasethanaweakperson.身體健康的人對疾病的抵抗力比身體弱的人強。Theseedlingsareresistanttocoldweather.這些秧苗有抗寒力。F.根據(jù)下列各句句意及所給單詞的首字母提示，寫出該單詞的正確形式。twowordsarei_______inmeaning.Thatis,youcanuseoneinplaceoftheother.2.Thisisano______paintingbyPicasso,notacopyone.3.Theylosttheirhomeandalltheirp_________inthestorm.4.Theyhaveo______onemilliondollarsfromthegovernment.Theirnextstepisto