高中英语比较级课件 2012年.pptVIP

2012届高中英语语法复习专题 比较结构; 形容词和副词的比较等级是多年来高考考查的重点之一, 现结合高考考点对其用法作一介绍。 ;考点一： 原级比较一般结构 as … as ; not as … as ; the same … as ; The work is not as difficult as you think. Last year, land values in most parts of the pinelands rose almost as fast as, those outside the pinelands. ; 3. This is the same car??that I rode on yesterday. 这就是就是我昨天坐过的那辆车。 4. This is the same car??as I rode on yesterday. 这辆车像我昨天坐过的那辆一样。 5. This book is as thick as that one. ;特殊结构: A is to B what / as X is Y ; A+倍数或几分之几 as + adj. / adv. + as +B. ;3. Americans eat vegetables per person today more than twice as many as they did in 1990. 美国人现在吃的蔬菜是1990年时的两倍以上。 ;考点二： 比较级常用结构 A ＋比较级 ＋ than + B African elephants are larger，fiercer，and more difficult to tame than Asian elephants. This question is less difficult than that question. (比较对象为彼此独立的人或事物) ;3. Iron is more useful than any other metal. (比较对象具有所属关系， 含有最高级含义) 特殊结构： the more … the more (越……越……)； more and more (越来越) 1. The more careful you are, the fewer mistakes you will make.;2. The more he thought of that, the more worried he felt about his mother. 3. A survey indicated that more and more local talents in China flowed to multinationals since multinationals are mostly engaged in cutting-edge hi-tech researches and offer high salaries. ;考点三： 以拉丁文-ior结尾的含有比较意义的形容词后接to 而不是than. inferior, superior, senior, junior, prior (在……之前) He is three years senior/junior to me. This type of computer is superior to that type. Most wine from Switzerland is inferior to wine from France. It happened prior to my arrival. ;考点四： 最高级用于三者以上的事物之间的比较，所以比较的范围自然是少不了。一般表示地方用介词in; 表示所属关系和人物比较用介词 of. ( 即the +最高级＋in /of …) ;The Yangtze River is the longest river in China, but it is the third longest river in the world. The youngest member of the family is most successful. Of all forms of energy, electricity is most widely used.;考点五： 在 more ?? than 结构中， than 有时可看作关系代词，相当于than what…;2. There are more wonders in heaven and earth than are dreamt of. ( th