Unit3Scienceversusnature-WordPowerTeachingobjects:1.learnprefixandsuffixandlearntoguessmeaningsbasedonprefixandsuffix2.learnorgansofthebodyTeachingprocedures:IPrefixesandsuffixesStepILead-inappear,novel,regular,respectWearegoingtohavesomequestions.Pleaseusethesewordstohelpyou,butyouneedtoaddsomeletterstothewordsfirst.1)Youcannotfindyournewpen.Whathappenedtoyourpen?Itdisappeared2)ManypeoplerespectMr.Liandthinkheisagoodman.Hehelpspeopleoutandisagoodcitizenandfriend.SocanyoufindawordtodescribeMr.Li?Respectable3)MissWanghaspublishedseveralbooks.Shelovesherjobwritingnovels.SowhatisMissWang’soccupation(职业)?Sheisanovelist4)Youcannotfindtheorderofthenumbersinagroupofmembers.Socanyoufindawordtodescribetheorderofthenumbers?irregularStepIIIntroductionindependenceindependenceprefix(前缀)root(词根)suffix(后缀)Prefix:agroupoflettersthatisaddedtothebeginningofawordtochangeitsmeaning.Suffix:aletteroragroupoflettersaddedtotheendofawordtomakeadifferentword.Attention!Usuallyaprefixwillchangethemeaningofword,whileasuffixwillchangethepartofspeechofaword.StepIIIPrefixesSometimesyoucanguesswhatawordmeansbylookingatitsprefixorsuffix.Lookattheexamplesandworkoutthemeanings.PrefixExampleMeaninganti-anti-cloning,anticanceragainst,opposedtodis-un-disappear,disagreeunfair,unwillingnot,apposedofin-il-im-ir-incorrect,incomparableillegal,illogicalimmoral,immodestirresponsible,irregularnot,withoutpre-preview,preserveearly,beforepro-pro-cloninginfavourof,supporting用心爱心专心116号编辑re-recreate,repeat,renewagainStepIVAddinginformationSomeothercommonlyusedprefixesPrefixExampleMeaningde-decompose,declassifyapart,frommal-maltreatment,malnutritionbadly,illnon-non-smoker,non-alcoholic,non-profitnotinter-international,interaction,interruptbetweentele-telescope,telegram,telecommunicationfarofftrans-transport,translate,transnationalacrossmis-misunderstand,mislead,misdeedwrongsub-subtitle,subway,submarineunderover-overeat,overwork,overacttoomuchtri-triangle,tricycle,tricolorthreeauto-autobiography,autoalarm,automobileselfStepVSuffixesSuffixExampleMeaning-ablecomfortable,noticeableworthyof,abletobe-fulcheerful,thoughtfulfullof,characterizedby-istscientist,novelistsomeonewhodoessomething-lesshopeless,aimlesswithout-mentagreement,treatmentindicateastateorcondition-nessdryness,madnessindicateaquality,stateorcharacterStepVIAddinginformationSomeothercommonlyusedsuffixes-alcultural,national,originaloforconcerning-ioninvitation,competition,protectionactionorconditionof…-shiphardship,scholarship,relationshipstateofbeing,skill-domfreedom,kingdomconditionorstateof…-ishchildish,selfishofthenatureof…-proofwaterproof,fireproof,soundproofprotectagainst-enwiden,sharpen,shortenmakeorbecome-wardeastward,homeward,backwardinthedirectionof-likewomanlike,childlikesimilartoStepVIIExerciseDoyouthinkweshouldprotectnature?Completewhatanenvironmentalistissayingbelow.Usethewordsfromthebox.Ithinkcuttingdowntreesshouldbemade(1)_______andtighterlawsshouldbeintroduced.Somanypeopleareshowingtheir(2)________fornature;theydon’tseemtocarethattheyaredestroyingtheenvironment.SometimesIthinkwearefightinga(3)________battleagainstpeople用心爱心专心116号编辑disrespect,hopeless,illegal,uncertain,understandablewhojustwon’tlisten.Iknowscientistshaveworkedhardtoachievescientificbreakthroughbutit’s(4)___________whetherthey’llsucceedtotally.Althoughit’s(5)__________thattheywanttoadvancetechnology,Ithinksomethingsarebestleftthewaytheyare.StepVIIIorgansofthebodyLookatthepicturesofthemajororgansofthebodyandtrytorecognizethem.KeyforExerciseB(1)Brain(2)heart(3)liver(4)lungs(5)stomach(6)kidneysStepVIIIIHomework1.CompletePartConpage47inpairsorgroups.2.ReadthearticleinPartAonpage113anddoParBonthesamepage.用心爱心专心116号编辑
