2012年大学英语六级语法精要：数词（下）, U, I* R; t" F: [( J' |
序数词
: Z9 Z" P+ w- |* M0 ?+ X 序数词的缩写形式： first---1st second---2nd thirty-first---31st三、 数词的用法& v' y+ c3 i+ `3 ^, K# S6 u
1）倍数表示法
' J! r1 z S- p# m" ] a. 主语+谓语+倍数（或分数）+ as + adj. + as4 g( n2 _( q0 c# x
I have three times as many as you. 我有你三倍那么多。
- _1 z- v# B! _& m% w3 N( t b. 主语+谓语+倍数（分数）+ the size (amount，length…) of…& u! {. V! _8 s' u6 r" |' A
The earth is 49 times the size of the moon. 地球是月球的49倍。
1 r- F4 d! p3 M1 q- U8 E c. 主语+谓语+倍数（分数）+ 形容词（副词）比较级+ than…
/ G1 S X& p# f" o* \ The grain output is 8 percent higher this year than that of last year.
9 D6 y6 W& W% y4 X 今年比去年粮食产量增加8%。wｗw.ExamＷ.CoM3 D4 }4 F$ [+ M a
d. 还可以用by+倍数，表示增加多少倍3 Y+ b( w6 y; g+ n" E5 d; V. Z
The production of grain has been increased by four times this year.( D/ t5 |' S. @( ~- Q1 X) L9 Y, ]
今年粮食产量增加了4倍。
s' A6 a I+ S+ W7 h7 c( U1 E 2）分数表示法( S" K, \( \2 {' [/ w
构成：基数词代表分子，序数词代表分母。分子大于1时，分子的序数词用单数，分母序数词用复数：
9 ~; _ O W9 o, M# I0 ?3 A 1/3 one-third ； 3/37 three and three-sevenths. |
发表于 2012-8-14 10:21:44
