构词法导学案设计一．课前环节：问题：1.你都用哪些方法来记忆单词？这些方法你认为有效吗？2.你知道常见的构词法都有哪些吗？二．探究训练：（1）．配对练习.(给下列单词搭配合适的前缀，使他们构成新词)possibleununderstandstopdispoliteluckyinsmokerleadimagreeappearmisfaircorrectnonvisible（2）．动动脑（找出下列单词中的前缀，并讨论前缀所含意义）supermarket,supermanminiskirt,minibuspostwar,post-readingforetell,forecastsemicircle,semi-finalantiwar,antiknock,antigasunderground,under-developrebuild,remarry,rereadsubway,subtitle,international,internetencourage,enlarge，enrichco-worker,cooperate（3）组合练习。（给出后缀和词根，组合出新的单词，并总结出这些后缀为什么词性的后缀）后缀：-er-or-tion-ment-ity-ist-ese-hood-ion-ly-ous-ful-able-ence-al-less-ern-en-ive-ed-ing词根：survive,educate,develop,visit,move,satisfy,teach,sail,piano,art,child,differbrother,act,solute,conclude,move,east,possible,sincere,danger,color,use,value,surprise,culture,nation,fright,china(4)利用混成法掌握下列单词的含义news+broadcast=newscasttelevision+broadcast=telecastsmoke+fog=smoghelicopter+airport=heliportmotor+hotel=moteltelephone+communicate=telecom（5）了解缩略法1.截头telephone→phoneairplane→plane2.去尾mathematics→mathsexamination→examkilogram→kilolaboratory→labtaxicab→taxi3.截头去尾influenza→flurefrigerator→fridge三。课后巩固1.单句填空1.Iwassupposedtoarriveattheairportontime._____________(fortunate),Iwasheldupbytheheavytrafficjam.2.Therefore,whentheybecomeoldertheyare________(able)todoanyotherkindofwork.３.Iwon’tdothepurchasebecausethepriceofthisdressis____________(reason).４.Allfactsarethesourceof_________(conclude).５.Itisyour________(free)todowhatyouwantafterclass.６.Iam__________(grate)toyouforyourhelp.７.Excellentoralandwritten__________(communicate)skillsinChineseandEnglishareof___________(important).８.It’sveryimportanttoeat________(health).9.ThomasEdisonwasagreat__________.(invent)10.Allthepeoplesufferingfromtheearthquakearetreatedwith__________.(kind)2.Choosetherightmeaningoftheunderlinedwordineachsentence.1.Overworkmaycausediseases.A.MoreworkB.LessworkC.UnhealthyworkC.Goodwork2.Don’tlistentoMara’snonsense.A.beautifulwordsB.meaninglesswordsC.meaningfulwordsD.clevertalk3.It’swisetorememberhoweasilythiswonderfultechnologycanbemisused.A.usedoftenB.usedseldomC.usedrightlyD.usedwrongly
