《金版新学案》安徽省2012高三英语一轮-语法专项提升形容词和副词课件-新人教版.ppt

形容词和副词 表示倍数的句型： (1)A is＋倍数＋比较级＋than＋B (2)A is＋倍数＋as＋原级＋as＋B (3)A is＋倍数＋the＋名词(size，length，height 等)＋of＋B (4)A is＋倍数＋that＋of＋B (5)A is＋倍数＋what 引导的名词性从句 ①This building is three times higher than that one. This building is three times as high as that one. This building is three times the height of that one. 这个建筑物是那个建筑物的3倍高。 ②The output of this year is 3 times that of 2008. ＝The output of this year is 3 times what it was in 2008. 今年的产量是2008年的三倍。 ③After the new technique was introduced，the factory produced twice as many cars in 2008 as the year before. 自从新技术被引进以后，这家工厂2008年生产的小汽车是上一年的两倍。 1.(2011·福州模拟)When you study the local map，you’ll find this town is________. A．twice the size of that one B．twice as a large town as that C．twice as larger as that one D．twice as larger a town as that 解析：　句意为：当你研究当地的地图时，你会发现这座城镇是那个的两倍大。倍数的表达方式：A is ＋倍数＋the＋名词(如size/length)＋of B；B项中不定冠词位置错误；C、D项中as后应用形容词原级。 答案：　A 2．(2009·辽宁卷)Peter’s jacket looked just the same as Jack’s，but it cost________his. A．as much twice as　　　　　　 B．twice as much as C．much as twice as　　　 D．as twice much as 解析：　倍数表达法是形容词比较等级中一种很常用的比较级结构。不管用哪种比较级结构来表示比较，表示倍数的词总是放在比较级结构的最前面。 答案：　B 3．(2009·四川卷)My uncle’s house in the downtown area is much smaller than ours，but it is twice________expensive. A．as　　　 B．so C．too　　　 D．very 解析：　考查倍数表达法。这里的倍数是“twice”，由expensive这一原级可知，这里使用了“as...as...”这一比较结构，在具体的语境中，后面的一个as以及后面的成分可以承前省略，即这里expensive后面省略了as ours。 答案：　A 1．“as＋形容词＋(a/an)＋名词＋as”表示同级比较，注意中间的形容词和名词并列时各自所在的位置。 It is generally believed that teaching is as much an art as it is a science. 人们普遍认为，教学是一门科学，同时也是一门艺术。 2．“as＋形容词/副词的原级＋as”与“not as/so＋形容词/副词的原级＋as”表示同级比较，即两个或两部分人或物在性质上或程度上相同(不同)。 The work is not as/so difficult as you imagine. 这项工作不是像你想像的那么难。 3．“the＋比较级＋of the two ＋名词”表示“两者中较……的那个”。 The taller of the two boys is my brother. 两个男孩中较高的那位是我哥哥。 4．a＋形容词比较级＋n.…… After two years’ research，we have a far better understanding of the disease. 研究两年之后，现在我们对这种病有更好的理解。 We went to the USA in search of a better life. 为了寻找更美好的生活我们去了美国。 5．比较级的修饰