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英语倍数表达法


英语倍数表达法

一、用 times 表示倍数 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” ? 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 is four times the size of the previous one. 新扩建的广场是未扩建时的四倍大。 ? 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.“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。
The height of this hill is four times that of t hat small one.

? 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。 ? Compared with last year, our coal output has increased by three times.

二、用分数、百分数表示倍数
? 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。
? 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。

exercises
D 1. Americans eat ________ vegetable per person today as they did in 1910. A. more than twice B. as twice as many C. twice as many as D. twice as much

2. Paper produced every year is _______ B 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

3.With the help of the German experts, the C 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

D 4. 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. After the new technique was introduced, D 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


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