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1、词汇篇 词根词缀1.“词根”“词缀”是什么？单词由词根和词缀构成词缀又分为前缀和后缀也就是说，单词一般由三部分组成：词根、前缀和后缀词根决定单词意思，前缀改变单词词义，后缀决定单词词性2.词根常用词根（初阶）1. -equ- 相等的 equal, equable, equably, equability equity, equitable 3.词根常用词根（初阶）2. -medi- mediate, intermediate medieval其他：-centr-, -just-, -form- .4.词根常用词根（中阶）1. -civ- 公民 civil, civilian, civilize
2、, recivilize, civilization 5.词根常用词根（中阶）2. -sim- 相同 similar, dissimilar, similarity simultaneous, simultaneity 其他：-electr-, -scrib-, -frig- .6.词根常用词根（高阶）1. -dur- 持久 during durable, duration, nondurable 7.词根常用词根（高阶）2. -leg- 法 legal, illegal, legislation legistimate 其他：-aer-, -fibr-, -al-8.前缀改变词义的前缀 有哪
3、些呢？表否定表数字表时间和次序表尺寸其他9.否定前缀 常见的11种 规律 im il ir、dis-: disadvantage, disagreein-: incorrect, inaccurate im-: impossible, impolite il-: illegal, illiterate ir-: irregual, irresistableun-: unfinished, undoubtedlynon: nonessential, nonexistence mis-: misunderstand, misfortune dis-: disappear, disconnect a
4、nti-: antisocial counter-: counteract 10.数字前缀semi-: semiconductor, semicirclemono-: monopoly, monochrome bi-: bilateral, bicolortri-: triple, triangle multi-: multination, multimedia 11.时间次序前缀pre-: preface, preconceptionpro-: prologue fore-: forehead, foresee ex-: ex-president, ex-wife post-: postwa
5、r12.尺寸前缀mini-: miniature, miniskirtmicro-: microwave, microscopemacro-: macroworld, macrostructuremega-: megacity, megahertz 13.常见的四种后缀1. 名词性后缀2. 形容词性后缀3. 副词性后缀4. 动词性后缀14.名词性后缀1. -ion: occasion, division2. -ist: specialist, biologist 3. -ment: experiment, measurement4. -ness: darkness, hardness5. -c
6、y: infancy, accuracy6. -ency/ancy: tendency, emegency, constancy, pregnancy 7. -logy: psychology, histology8. -ty: capacity, similarity15.形容词性后缀1. -able: acceptable, available2. -al: vocal, captial3. -ant: significant, resistant4. -ar: regular, muscular5.-ary: ordinary, anniversary 6. -ent: consiste
7、nt, efficient 7. -ful: useful, successful 16.副词性后缀1. -ly: likely, immediately2. -ward: forward, backward 3: -wise: likewise, otherwise 17.动词性后缀1. -ate: accelerate, operate 2. -en: weaken, deepen3. -ize: standardize, modernize 18.根据后缀辨别下列单词的词性 1. scientist 2. singer 3. conversation 4. beautiful 5. loudly 6. advertisement 7. government 8. yearly 9. instruction 10. careful 11. lively 12. safety13. national 14. traditional 15. illness 16. wonderful 17. competition 18. information 19. successful 20. natural 21. usually 22. lovely 23. really 24. friendly 19.
