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英语中倍数的常用表达方式


英语中“倍数”的常用表达方式
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.

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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。 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.

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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。

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“… 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。

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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。
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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] 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 C. twice as many B. as many twice D. twice many as
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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 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 C. much as three times B. as much three times D. three times as much
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【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 produced ________ cars in 1993 as the year before. (上海卷) A. as twice many C. as twice as many B. as many as twice D. twice as many

【分析】答案选 D。倍数放在 as 之前。此题与全国卷曾考过的一题几 乎一样: 9.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。

例句 1.“A + be + 倍数 + as + 计量形容词原级 + as + B”。 This tree is three times as tall as that one. 这棵树是那棵树的三倍高。 His father is twice as old as he. 他父亲的年纪有他两倍大。 2.“A + be + 倍数 + 计量形容词比较级 + than + B ”
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The Yangtze River is almost twice longer than the Pearl River. 长江差不多比珠江长两倍。 The dictionary is exactly five times more expensive than that one. 这本字典比那本恰好贵 5 倍。 3.“A + be + 倍数 + the + 计量名词 + of + B ” The newly broadened square id four times the size of the previous one. 新扩建的广场是未扩建时的四倍大。 4.“The + 计量名词 + of + A + be + 倍数 + that + of + B ” The size of the newly broadened square is four times that of the previous one. 新扩建的广场为以前的四倍大。 5.其它 I?m twice/ double his age. 我的年龄是他的两倍。 I?ve paid five times the usual price for the stamp. 我出了 5 倍于往常的价格买这枚邮票。 The average income of the staff has been increased by 50 percent compared with last year. 与去年相比,该单位职工的收入增加了 50%. The price of TVs are twofold ( adj. 两部分的, 双重的) down over these years. 近几年来,电视机的价格下降了两倍。 I am more than twice as old as he. 我的年龄是他的两倍还不止。 I've seen this film twice.
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这部影片我已经看过两次了。 He studies more than three times as hard as I. 他用功的程度是我的三倍还不止。 I have five times the number of Tom's books. 我有五倍于汤姆的书。 He has collected more than three times as many stamps as I (have). 他收集的邮票是我的三倍还不止。 ten times as big 十倍大的 He had classed the White Mouse as of no account, and it paid twenty times as much as the Transcontinental and also had paid on acceptance. 他原把《白鼠》看得一文不值,可是他出的稿费却比《横贯大陆月刊》要 大二十倍,而且一接受就付钱。 A penny, worth fifty times as much as a sovereign, was something to retain and treasure. 必须保存和珍视便士,因为一枚便士抵得上五十枚金币。 It discharges three times as much water as the St. Lawrnce. 它流出的水量有圣罗伦斯河的三倍那么多。 the chimp has five times as much brain as the elephant 黑猩猩的大脑是大象大脑的 5 倍 Five times as much, as many, or as large. 五倍的五倍数量或大小的 It could cost up to five times as much as a similar Li Ning product.
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可能是一对李宁牌同类产品价格的五倍之多。 So in proportion to its body size, the chimp has four times as much brain as the elephant - more brain for less body. 所以与它的体重比, 猩猩的大脑是大象的 4 倍 ? 较小的身体有着较大的大 脑。 As we discussed last time, this means that it will cost us three times as much as before, 根据我们上次谈下来的情况,这意味着我们的费用要增加三倍。 One study found that an SUV will release about two times as much carbon dioxide as a car over the life of the vehicle. 一项研究表明, 在整个使用寿命期间, 一辆 SUV 的二氧化碳的排放量是普 通汽车的两倍。 You could be doing three times as much business as you are now. 这样,你们可能得到的业务会是现在的三倍。

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