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构词法常用前缀.ppt

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构词法常用前缀.ppt
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Word-building,Benefits: Improving your reading comprehension by using word part clues to guess word meanings. Helping build up your vocabulary.,Word Formation,Four ways of word formation: 1. Affixation 缀合法(加词缀法) 2. Conversion (词性)转化法 3. Compounding 复合法 4. Abbreviation 缩略法,Affixation,Prefix 一般只改变词义,不改变词性 Suffix 一般只改变词性,不改变词义,Recognizing prefixes.,a-, ac-, ad-, af-, ag-, al-, an-, ap-, as-, at- : to, toward, near, in addition to aside (adverb): to or toward the side accompany (verb): to go with someone as a companion adjust (verb): to correct, to move closer to a correct position affix (verb): to attach to something, to fasten 使附于, 粘贴,aggression (noun): hostile behavior towards someone or something allocate (verb): to distribute to specific people or for specific purposes associate (verb): to join with attend (verb): to look after, to go to,a-, an- : not, without apolitical (adjective): without interest in or association with politics ab-, abs-: away from, off abnormal ante-: before anterior (adjective): before or near the front anti-: against antipathy (noun): dislike, opposite feeling auto-: self; automatic automotive (adjective): related to self-propelled machines,bi-: two bicentennial 每二百年的 biweekly 每周二次的 cat-, cata-, cath-: down, with category (noun): a class or set to which a thing belongs catalogue (noun): a book or pamphlet that lists and describes circum-: around circumstance,co-, cog-, col-, com-, con-, cor-: together, with coeducation 男女同校 cohesiveness (noun): the ability to stick together cognate (adjective): related, similar in nature collaborate (verb): to work together commingle (verb): 混合 connection correlative (adjective): 相关联的 contra-: against, opposite contradict (verb): to state the opposite,de-: to do the opposite, to take away from decrease (verb): to grow smaller, to become less di-, dif-: apart, separate, two, opposite, not divide (verb): to separate into two or more parts differ (verb): to be unlike dis-: not, opposite of, exclude distrust (
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