外研版八上M1--M3复习课件.ppt

* 1. 比较级定义：表示两者或两类人或事物 之间的比较。 2. 比较级变化规则： ① 一般在词尾加-er。如： small — smaller old — older ②以字母e结尾的形容词直接加 –r。如： large — larger fine — finer ③以重读闭音节结尾的形容词，如末尾只 有一个辅音字母，应双写该字母，再 加-er。如： big — bigger hot — hotter ④以辅音字母加 y 结尾的形容词，把“y”变 “i”，再加–er。如： busy —busier easy — easier 3. 比较级的结构： (1)同级比较的结构： as + 形容词/副词 + as，表示“和……一 样”。 not as + 形容词/副词 + as，表示“不 像……那样”。 (2)比较级结构： 比较级 + than + 比较对象，表示 “比……更……”。 1. short — _______ 2. thin — ______ 3. early — _______ 4. red — _______ 5. fine — _______ 6. fat — _______ 7. cool — _______ 8. big — ______ 9. wet — _______ 10. dry — _______ shorter thinner earlier redder finer fatter cooler bigger wetter drier 写出下列形容词的比较级。 _____, this pen is longer than that one. A. One day B. In fact C. Pretty good 2. — Is Hong Kong ____ than Shanghai? — Yes, it is. A. new B. newer C. newest 选择题。 3. — Is the dog _____ than that one? — Yes, it is. A. big B. biger C. bigger 4. The yellow coat is as ______ as the purple one. A. cheap B. heavier C. cheaper I had to call a taxi because the box was ______ than I’d expected. (2012苏州) A. heavy ? B. heavier?? C. the heavier?? D. the heaviest 2. She sang a song “I believe I can fly” in Yangzhou English Classics Reading Contest. I have never heard a ____ voice than that before. (2012扬州) A. good?? ????B. well?? ????C. better?? ???D. best B C Lady Gaga is famous ____ her beautiful voice.（2012福建南平） A. as B. with C. for 2. — _____ the population of China? — It’s about 1.3 billion. (2012湖南衡阳） A. What’s B. How many is C. How much is C A 1. The population of He’nan is ______ than that of Shandong. A. bigger B. more C. larger D. higher 2. _____ is the population o