A. The high; the thin B. The highest; the thinnest

　　C. The higher; the thiner D. The higher; the thinner

　　15. John is ____ of the two boys.

　　A. tall B. tallest C. the tallest. D. the taller.

　　16. -Why does Peter like moon cakes with nuts instead of the ones with eggs?

　　-Because he thinks the moon cakes with nuts are ____.

　　A. cheap B. dear C. worse D. nicer

　　17. She is ____ than I

　　A. a head taller B. a taller head C. taller a head D. head taller

　　18. Paris is one of _____ cities in the world.

　　A. more beautifully B. more beautiful C. the most beautifully D. the most beautiful

　　19. Shanghai is the first _____ city in China.

　　A. big B. biggest C. the big D. the biggest

　　20. -Mr Zhou, of all the students in our group, who lives ___?

　　-I think Li Lei does.

　　A. far B. farther C. farthest D. the farther

　　21. Bob never does his homework _____ Mary, he makes lots of mistakes.

　　A. so careful as B. as carefully as C. carefully as D. as careful as.

　　22. My sister is good at sports, She can jump ____ than me.

　　A. highest B. very high C. too high D. much higher

　　23.The Yellow River is one of ___ in China.

　　A. the longest rivers B. the longer river C. the longest river D. the long river

　　24.I don't feel ___ to go to work today. I'm ill.

　　A. good enough B. well enough C. enough well D. enough good

　　25.Be quiet, class! I have ___ to tell you.

　　A. important anything B. important something C. anything important

　　D. something important

　　V、同義句轉(zhuǎn)換

　　1. Math is the most difficult of all the subjects.

　　Math is ____ difficult than _____ other subject.

　　Math is _____ difficult than _____ other subjects.

　　2. Joe isn't as tall as Lucy..

　　Joe is _____ than Lucy.

　　3. Kate is 10 years old. Tom is 12 years old.

　　Kate is ____ _____ _____ _____ Tom.

　　Tom is ____ ______ _____ _____ Kate.

　　4.The bag is too expensive for me to buy.

　　The bag is _____ _____ ______for me to buy.

　　①形容詞/副詞比較級+than+ any other+單數(shù)名詞(+介詞短語)"表示"比同一范圍的任何一個人/物都……"，含義是"最……"。

　　例如，Mike gets to school earlier than any other student in his class.

　　= Mike gets to school earlier than any of the other students in his class. = Mike gets to school earlier than the other students in his class. = Mike gets to school earliest in his class.注意：Mike gets to school earlier than any student in Tom's class.

　　②"the+形容詞比較級+of the two+……"表示"...是兩者中較…的"。

　　如，Look at the two boys. My brother is the taller of the two.

　　③"比較級+and+比較級"表示"越來越……"。He is getting taller and taller.

　　④"the+比較級，the+比較級"表示"越…,越…,"。The more careful you are，the fewer mistakes you'll make

　　5).最高級常用句型結(jié)構(gòu)

　　①"主語+be+ the+形容詞最高級+單數(shù)名詞+in/of短語"表示"……是……中最……的"。

　　如，Tom is the tallest in his class./of all the students.

　　②"主語+be+ one of the+形容詞最高級+復(fù)數(shù)名詞+in/of短語"表示"…是……中最……之一"。

　　如，Beijing is one of the largest cities in China.

　　③序數(shù)詞+最高級

　　Hainan Island is the second largest island in China.