形容词和副词的比较级和最高级的用法1、表示“和一样”，用“as+原级+as”结构。 eg: He likes her as much as he likes his sister.2、表示“不如”，用“not as/ so+原级+as”结构或“less+原级+than”结构 eg: He does not smoke as/ so heavily as his brother. He smokes less heavily than his brother.3、表示“比更”，用“比较级+ than”结构。 eg: She sees me more often than she sees her brother.4、表示“中最”,用“最高级+比较范围”结构，比较范围为短语从句。 eg: This is the best picture in the hall. This is the best picture that he has ever painted5、表示“越来越”，用“比较级+ and +比较级”结构或“more and more + 原级”结构。eg: Things are getting better and better every day. She is becoming more and more beautiful.6、表示“是的几倍”，用“倍数+as+原级+as”结构，或者“倍数+比较级+than”结构。eg: This classroom is three times as big as that one. This classroom is twice bigger than that one.形容词和副词的比较级和最高级的特殊用法1、形容词的比较级前面一般不加冠词，但表示“两者中较”的时候，要用“the+比较级+of ”。eg: She is better than she was yesterday. She is the taller of the two girls.2、形容词的最高级前面一般加定冠词，而副词的最高级前面可加可不加。 eg: This book is the most difficult that I have ever read. He jumped (the) highest of the three boys.3、比较级前面可以用even(更加)，much(得多)，far(得多)，a littlie(一点)，a bit(一点)，slightly(些微地)，a great deal(大量)，a good deal(大量)，a lot(大量)，still(还，还要)等词语表示不定程度或数量。 eg: I am even less lucky. She is far better than me at writing. 4.在原级前面通常使用very, quite, too, much too, a little, as, so 等。 eg: 1. The room is very big. 2. The person is quite clever. 3. Today is too hot. 4. He eats too much, so hes much too heavy. 5. He is a little angry.1、-Mr Zhou, all of the students in our group, who lives _? -I think Li Lei does. A. fat B. father C. farthest D. farest2、The Changjiang River is _ than any other river in China. A. shorter B. longer C. shortest D. longest3、Bob never dose his homework _ Mary. He makes lots of mistakes. A. so careful B. as carefully as C. carefully as D. as careful as4、_ she is, _ she feels. A. The more busy, the more happy B. The busy, the happy C. Busier, happier D.The busier, the happier5 He feels _ today than yesterday. A. tired B. more tired C. more tireder D. much tired 6. Which do you like _, coffee, tea or milk? A. the worst B. worse C. the worse D. worst 7. Of the two toys, the child chose_. A. the expensive one B. one most expensive C. a least expensive D. the most expensive of them 8. The line is _ than that one. A. more longer B. not longer C. much more longer D. many more longer 9. The earth is _ the moon. A. as 49 times big as B. 49 times as bigger as C. 49 times as big as D.as big as 49 times 10. The book is _ of the two. A. thinner B. the thinner C. more thinner D. the thinnest 11. She looks _ than she does. A. the more older B. very older C. much older D. more older 12. The garden is becoming _. A. more beautiful and more B. more beautiful and beautiful C. more and more beautiful D. more beautiful and beautifuler 13. They competed（比赛） to see who could work _. A. the fastest and best B. the faster and the better C. fastest and better D. faster and better 14. This kind of coffee is different _. A. and it is also better B. and better than the other C. but also than others D. from the other, and better 15、The weather is getting .(越来越冷)16. The bread is _ than these cakesA. very delicious B. much delicious C. more delicious D. as delicious17. In our city its in July ,but it is even _in August . A. hotter; hottest B. hot; hot C. hotter; hot D. hot; hotter18. An elephant is than a tiger. A. Heavy B. very heavy C. the heaviest D. heavier19. Which subject is _ , physics or chemistry ?A. interesting B. most interesting C. more interesting D. the most interesting