一、知识点归纳1.规则形式：一般说来，单音节词及少数双音节词在后加-er/ -est 来构成比较级和最高级；其他双音节词及多音节词在前加more/ most，如：great-greater-greatest, busy-busier-busiest, important-more important-(the)most important不规则形容词的比较级和最高级形式原 级比 较 级最 高 级原 级比 较 级最 高 级good / wellbetterbestbad / badly/ illworse worstmany / muchmore mostlittle / fewlessleastfar farther / furtherfarthest / furthest*以后缀-ly结尾的副词是在原形前加more/ most，如：quickly more quickly most quickly1. 形容词比较等级的用法：1) 表示两者的比较：形容词的比较级+than. 如：He is cleverer than the other boys.2) 表示两者以上的比较：the +形容词最高级（+名词）+of /in 如：He is the cleverest boy in his class.3) 表示两者是同等程度：as +形容词原级+as. 如：He is as tall as I.2. 比较级句型： 1) Who / Which + be +比较级, A or B ? 如：Which is more beautiful, Beijing or Shanghai?2) be + the 比较级 + of the two. (两个之中比较的那一个)，如：John is the more polite of the two boys.3) The + 形容词比较级, the + 形容词比较级（越就越），如： The harder you study ,the more/greater progress you make. 你越努力，取得的进步就越大 4) 形容词/副词比较级 + and +形容词/副词比较级（越来越）。如：Our city is more and more beautiful.5) 形容词/副词比较级 + than + any other +名词单数形，如：Shanghai is larger than any other city in China.6) 形容词/副词比较级 + than + the other +名词复数形式，如：Its also cheaper than the other stores.3. 关于比较级的几个需要注意的问题：1）为了加强语气，在比较级前面加表示相差程度的状语，常见的有much, far, even, still, a lot, a little, any, rather, a bit, a great deal等，如：Wed better wait a little longer. Peter and Tom will come very soon.2) less + 形容词的原级 + than表示“不如、不及”， 如：This computer is less expensive than that one.4. 最高级的句型： 1) Who / Which + be +the+最高级, A, B, or C ? 如：Who is the most foolish, Jack, Tom or you ?2）be + the +最高级+in /of / among +比较范围，如：He is the laziest worker in the factory.3） + be + one of the + 最高级 + 复数名词（最的之一），如：The Yellow River is one of the longest rivers in China. 黄河是中国最长的河流之一。4） + be +the + 序数词 +最高级 +单数名词 + 范围（是.的第几），如：China is the third largest country in the world.二、课堂练习I. 选择1. Would you please say it _? I still cant follow you.A. more slow B. much slow C. more slowly D. much slowly2. He is _ enough to carry the heavy box. A. stronger B. much stronger C. strong D. the strongest3. She played the piano_ than we had thought. A. successful B. successfully C. more successful D. more successfully4. Beijing, the capital of China, is one of _ cities in the world.A. the biggest B. bigger C. much bigger D. big5. _ the worse I seem to be. A. When I take more medicine B. The more medicine I take C. Taking more of the medicine D. More medicine taken6. New York is _ in the United States.A. larger than any city B. larger than any other cityC. bigger than any cities D. biggest of all the cities7. The air in Beijing is getting much _ now than a few years ago. A. clean B. cleaner C. cleanest D. the cleanest8. Mobile phones are very popular now and they are _ than before. A. cheap B. cheaper C. cheapest D. the cheapest9. The car is running _.It seems to be flying. A. more and faster B. more and fast C. fast and fast D. faster and faster10. The experiment was _ easier than we had expected. A. more B. much more C. much D. more much11._ children there are in a family，_their life will be. A. The less, the better B. The fewer, the better C. Fewer, richer D. More, poorer12. - Which is_ , the sun, the moon or the earth? - Of course, the moon is. A. small B. smaller C. smallest D. the smallest13. -Which is _ season in Beijing? -I think its autumn. A. good B. better C. best D. the best14. It takes a long time to go there by train; its _ by road!A. quick B. the quickest C. much quick D. quicker15. Oct 15th was one of _ days in 2003.The Shenzhou-V was sent up successfully.A. exciting B. more exciting C. the most exciting D. much exciting16. This box is_ that one.A. heavy than B. so heavy than C. heavier as D. as heavy as17. When we speak to people, we should be _.A. as polite as possible B. as polite as possiblyC. as politely as possible D. as politely as possibly18. This book is_ that one, but_ than that one.A. as difficult as; expensive B. as more difficult as; more expensiveC. as difficult as; more expensive D. more difficult as; as expensive19. I think the story is not so _ as that one.A. interesting B. interested C. m