形容词和副词高考英语 语法.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① This 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。② The 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。③ After 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。