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1、重庆大学版高一重庆大学版高一重庆大学版高一重庆大学版高一(2)(2)Unit 5Unit 5Affixation General introductionClassify wordsCompounding (有两个或更多的词有两个或更多的词合成一个词合成一个词)Derivation introduction(在词根上加上前、后缀在词根上加上前、后缀构成另外一个词构成另外一个词)prefixsuffixConversion (将一种词性转化成另将一种词性转化成另一种词性一种词性)合成词合成词(有两个或更多的词合成一个词有两个或更多的词合成一个词):转化词转化词(将一种词性转化成另一种词性将一种词
2、性转化成另一种词性):派生词派生词(在词根上加上前、后缀构成另在词根上加上前、后缀构成另外一个词外一个词): blackboard spaceshiphalf-understandfirst-class man-made good-looking sometimes beforehand加前缀：加前缀： happy - _happy加后缀：加后缀： develop - develop_既加前缀又加后缀：既加前缀又加后缀： employ -_employ_unmentunment派生词派生词（derivation）1. 前缀前缀:pre-pre-reading, preview, prepayr
3、e-rewrite, reconsider, reuse（前）（前）(重新重新)dis- (不不)disagree , dislike , disappearmisunderstand, misleadmis (错误或失当错误或失当)miniskirt, minibussupermarket, supermansuper- (超级超级)mini-(微小微小)in/im- (不不)incorrect impossibleforetell, forecastpost-(之后之后)postwar, post-readingfore-(前，预先前，预先)semicircle, semi-finalse
4、mi-(半，部分半，部分)antiwar, anti-Japanese waranti- (阻止，抗阻止，抗)underground, under-developunder- (在在下下, 在在中中)2. 常见的后缀常见的后缀1). 名词后缀名词后缀 ：-er-or-tion-mentteacher, workervisitor, sailor education, satisfactiondevelopment, movement-ity-ist-hood-ionability, possibility pianist, artist childhood, brotherhood actio
5、n, solution, conclusion2).形容词后缀形容词后缀:-ous-ful-able, -ible-ant, -ent-arydangerous, humoroushelpful, carefulcomfortable, responsible important, excellent military, voluntary3). 副词性的词缀副词性的词缀:-ly-wardsquickly, softly, yearlybackwards, forwardstasten. 味道味道v.尝起来尝起来It has a good taste.It taste very good.re
6、cord n.记录记录v. 记录记录He broke the record.He lies to record something while reading a book.1. Write the opposite of each of the following words on the line.agree _ lucky _complete _ able _correct _ polite _patient _ regular _appear _ trust _ disagreeunluckyincompleteunableincorrectimpoliteimpatientirreg
7、ulardisappeardistrustorder _ honest _possible _ visible _perfect _disorderdishonestimpossibleinvisibleimperfect2. Add suffixes to the following words to form nouns.Verb Noun punishprotectdecidemovepunishmentprotectiondecisionmovementAdjective Noun friendlysickcarelesslazyfriendliness sicknesscarelessnesslazinessNoun Noun novelviolinartpianonovelistviolistartistpianist
