英语中倍数的表达法及相关练习

精品文档 1欢迎下载 英语中倍数的表达法及相关练习 倍数 的表达方式总结 The house rent is expensive I ve got about half the space I had at home and I m paying here 2003 上海 A as three times much B as much three times C much as three times D three times as much 该题的正确答案为 D 显然本题是在考查倍数的表达法 倍数表达法是高中英语教学的重点 也是历年的高考热点之一 下面对倍数的几种表达法 作一归纳 一 用 times 表示倍数 一般限于包括基数在内三倍或三倍以上的数 表示两倍的数 一 般用 twice 其句式有 前三种为主 1 times 形容词 副词的比较级 than 例如 Line AB is three times longer than line CD 线段 AB 是 线段 CD 的三倍长 This hall is five times bigger than our classroom 这个大厅比我们的教室大 5 倍 This rope is twice longer than that one This hall is five times bigger than our classroom The car runs twice faster than that truck 2 times as 形容词 副词的原级 as 例如 This table is three times as long as that one 这张桌子是那张桌子的三倍长 This dictionary is five times as thick as the one you borrowed from the library 这本词典的厚度是你从图书馆借的那本 厚度 的 5 倍 Asia is four times as large as Europe 亚洲的面积是欧洲的四倍 This big stone is three times as heavy as that one 这块大石头的重量是那一块的三倍 这块石头比那块重二倍 The plane flew ten times as high as the kite 那架飞机飞行高度是那个风筝的十倍 高出九倍 3 times the 名词 如 size height weight length width age 等 of 例如 The earth is 49 times the size of the moon 地球的体积是月球的 49 倍 This river is three times the depth of that one 这条河是那条河的三倍深 This street is four times the length of that street 这条街是那条街的四倍长 This hill is four times the height of that small one 这座山的高度是那座小山的四倍 比那座小山高三倍 4 times more 名词 than 例如 He earns five times more money than he did ten years ago 他现在挣的钱比十年前挣的多 5 倍 精品文档 2欢迎下载 There are twice more students in our class than in theirs 我们班的学生人数比他们班多两倍 5 times as many 或 much 名词 as 例如 We ve produced twice as much cotton this year as we did ten years ago 今年我们生产的棉花比十年前多了一倍 汉语中的多一倍实际上也指两倍一样多 He has got three times as many books as his sister 他拥有的书的数量是他妹妹的 3 倍 6 times what 从句 例如 The length of the road is four times what it was three years ago 这条路的长度是三年前的 4 倍 The price of the meat is twice what it was last year 肉价是去年的两倍 7 times up on 或 over 例如 The size of the sun is a million times over that of the earth 太阳的体积比地球的体积大一百万倍 He is three times up on your age 他的年龄是你的 4 倍 或 比你的年龄大 3 倍 8 by times 例如 Compared with last year our coal output has increased by three times 与去年相比 我们的煤产量增长了 3 倍 His speed is faster than mine by four times 他的速度比我的快 4 倍 9 times compared with 被比较对象 例如 The number of the students in our school has increased four times compared with 1980 我们学校的学生人数比 1980 年增加了 4 倍 10 times that of 被比较对象 例如 In this workshop the output of July was three times that of January 这个车间七月份的产量是元月份的 3 倍 二 用分数 百分数表示倍数 例如 The box is one third bigger than that one 这个盒子比那个盒子大三分之一 Last year the output value of industry was 59 percent higher than that of 1976 去年工业产值比 1976 年增长了 59 My command of English is not half so good as yours 我英语掌握得还不及你的一半儿好 三 用 again 一倍 double 两倍 triple 三倍 fourfold 四倍 等词 表示倍数 例如 My Aunt is as old again as I am 我姑姑的年龄比我大一倍 The top brand clothes are often sold as double the normal price here 这里名牌衣服的售价经常比正常的售价高一倍 The new work procedure tripled the output 新工艺使产量增加两倍 The output of grain increased fourfold 粮食产量增加了三倍 巩固练习 精品文档 3欢迎下载 1 2002 上海春 Americans eat vegetables per person today as they did in 1910 A more than twice B as twice as many C twice as many as D more than twice as many 2 1998 上海 Paper produced every year is the world s production of vehicles A the three weight of B three times the weight of C as three times heavy as D three times as heavier as heavier 应改为原级 3 1994 上海 With the help of the German experts the factory produced cars in 1993 as the year before A as twice many B as many twice C twice as many D twice many as 4 MET 1992 This ship measures that one A as twice as long B as twice long as C twice long as D twice as long as 5 MET 1990 After the new technique was introduced the factory produced tractors in 1988 as the year before A as twice many B as many as C as twice as many D twice as many Key 1 5 DBCDD 6 It is reported that the United States uses energy as the whole of 精品文档 4欢迎下载 Europe A as twice B twice much C twice much as D twice as much 答案是 D 7 The house rent is expensive I ve got about half the space I had at home and I m paying here 上海卷 A as three times much B as much three times C much as three times D three times as much 分析 答案选 D 倍数 three times 要放在 as 的前面 后面省略 as I paid at home 8 With the help of the German experts the factory produ