江苏省海头高级中学高中英语unit3Wordpower教案新人教版必修5Teachingaims:1.learnprefixandsuffixandlearntoguessmeaningsbasedonprefixandsuffix2.enlargestudents’vocabularyaboutorgansofthebodyStep1Wearegoingtohavesomequestions.Pleaseusethesewordstohelpyou,butyouneedtoaddsomeletterstothewordsfirstappear,novel,regular,respect1)Youcannotfindyournewpen.Whathappenedtoyourpen?()2)ManypeoplerespectMr.Liandthinkheisagoodman.Hehelpspeopleoutandisagoodcitizenandfriend.SocanyoufindawordtodescribeMr.Li?()3)MissWanghaspublishedseveralbooks.Shelovesherjobwritingnovels.SowhatisMissWang’soccupation(职业)?()4)Youcannotfindtheorderofthenumbersinagroupofmembers.Socanyoufindawordtodescribetheorderofthenumbers?()Step2prefixandsuffixindependenceindependenceprefix(前缀)root(词根)suffix()Prefix:agroupoflettersthatisaddedtothebeginningofawordtochangeitsmeaning.Suffix:aletteroragroupoflettersaddedtotheendofawordtomakeadifferentword.★★Usuallyaprefixwillchangethemeaningofword,whileasuffixwillchangethepartofspeechofaword.Lookattheexamplesandworkoutthemeanings.PrefixExampleMeaninganti-anti-cloning,anticancer,（抗沙漠化）against,opposedtodis-disappear,disagree,not,apposedtoin-il-im-incorrect,incomparableillogical,（非法地）immoral,immodest,not,withoutpreview,preserveearly,beforepro-cloninginof,supportingre-recreate,repeat,renew,(重写)againAddinginformationSomeothercommonlyusedprefixesPrefixExampleMeaningnon-non-smoker,,non-alcoholicnottrans-transport,translate,acrossmis-（误解）,mislead,misdeedwrongover-overeat,overwork,overacttoomuchStepIVSuffixesSuffixExampleMeaning-ablecomfortable,noticeable，（可理解的）worthyof,abletobe-istscientist,novelist，someonewhodoessomething-lesshopeless,aimless，（无私的）without-mentagreement,treatment，indicateastateorcondition-nessdryness,madness，indicateaquality,stateorcharacterAddinginformationSomeothercommonlyusedsuffixes-ioninvitation,competition,protection，actionorconditionof…-shiphardship,scholarship（）,relationshipstateofbeing,skill-proofwaterproof,fireproof,soundproof（）protectagainst-wardeastward,homeward,backward，inthedirectionofStep3organsofthebodyNamemorepartsofyourbodyStep4Languagepoints1.opposedtoopposedadj.反对的，对抗的，对立的opposedto反对…;与…相对立eg.(1)我们坚决反对在国与国之间实行强权政治。Wearefirmlythepracticeofpowerpoliticsbetweennations.(2)真理是谬误之对。Truthisopposedtofalsehood.opposedto=inoppositionto;oppositeof…oppositen.对立面，对立物What’stheoppositeoftall?1)adj.对面的，相对的ontheoppositesideofthestreet2)adj.相反的，对立的gointheoppositedirection()3)prep.在…的对面住在邮局对面()4)adv.在对面Hestoodopposite.2.infavorof1)赞同…，支持…:agreewith,supportbeinfavorofsb’ssuggestion2)有利于…Thescorewas2to1infavoroftheguestteam.比分为二比一，客队获胜。favor1)n.好感，欢心winsb’sfavor赢得某人的欢心2)n.恩惠dosb.afavor=doafavorforsb.favorableadj.赞成的，有利的Heisfavorabletoourplan.他赞成我们的计划。afavorablesituationstep5巩固练习.1.词汇练习。⑴Youshouldryourgloveswhenyoushakehandswithothers.⑵Humanstakeinoxygenandboutcarbondioxide.⑶Youcananothingifyoudon’tworkhard.⑷Ourteacherianinterestingtopicintoourconversation.⑸Thecrowd(欢呼)whenMartinLutherKingappearedonthestage.⑹Thereisno(一致)yetaboutwherewewillgoforaholiday.2.完成句子。⑴我祖父和癌症搏斗活到八十岁。（fight）Mygarandfathercancerandlivedtobe80.⑵在过去的十年里，中国在科学技术方面取得了很大进步。（advance）Chinahasinandinthepasttenyears.3.Multipalchoice.⑴InScandinaviancountries,itiscommonforthehusbandtostayathometolookafterthebaby.A.useB.senseC.practiceD.idea⑵Canaschoolapolicyprohibitingtheuseofmobilephoneswhenitisbad.A.makeB.adopC.gibeD.pass⑶Ifhecontinueslikethis,hewillastoneonlytohaveitdroponhisownfoot,justastheoldsayinggoes.A.enduptoliftB.endupliftingC.enduponliftingD.endupwithlifting⑷Anxietycanchildren’sperformancewhentheytakeanexam.A.interferewithB.interruptC.effectD.interfere⑸Ifyouhavegoodreadingstrategies,whatseemsconfusingatfirstuponfutherreading.A.makessenseB.worksC.countsD.pays⑹Seeingthestudentsworkinghardallthetime,theteacherthatallworkandnoplaymakesJackadullboy.A.worksoutB.pointsoutC.makesoutD.turnsout⑺Weshouldtakeexercisenowandthen.Ibelievewewillitalot.A.benefitfromB.benefitC.dogoodtoD.bebeneficialfor⑻ItwasnotuntilthenthatIrealizedputtingtheprojectinpracticesomuchmoneyandwork.A.involvingB.toinvolveC.involvesD.involved⑼Don’tworrywhetherthefoodornot.Iamgoingshoppingthisafternoon.A.runsoutB.usesupC.isrunoutofD.isrunout⑽In2004,tsunamistruckSoutheastAsia,anditisquitedifficulttothetotallosses.A.figureoutB.makeoutC.countoutD.thinkout
