英文语法 » 数词 » 正文   0 个评论

小数和百分数表示,读法和用法

1.小数的读法如下:
7.8-Seven point eight
0.4-zero point four
0.03-zero point zero three
603.09-six hundred and three point zero nine
虽然上面的zero也可读作Oh,但并不推荐这样。

2.小数作定语时较多:
Our grain output is now 2.4 times that of 1998.
现在的粮食产量是1998年产晕的2.4倍。
Its total output value was up 5.6 times in these years.
在这些年里它的工业总产值增长了5.6倍。

3.百分数由per cent(美国英语:percent)表示,多和by连用,作状语:
Its output of cotton went up by 20 per cent.
它的棉花产量增长了百分之二十。
The price was reduced by 18 per cent.
价格降低了百分之十八。

百分数也可单独作状语:
Its grain output was 16.5 per cent higher than in 1995.
它的粮食产量比1995年增长了百分之十六点五。
Th output value of chemical fertilizer was 18 per cent above that of the previous year.
化肥产量比头一年增长百分之十八。

4.百分数有时可用作主语(a),宾语(b),定语(c)或状语(d):
a.40 per cent of the students are women.
百分之四十的学生是女生。

b.B1acks constitute ten per cent of the population.
黑人占人口的百称之十。

c.The March figure for output value registered a 17 per cent increase over February.
二月份产值比二月份增长百分之十七。

d.I think it’s ninety per cent probable.
我看有百分之九十的可能性。

发表评论

您得 登录 才能留言呐.

飞达语法网,英语语法大全专业网站! 英语俚语
上海外教
Copyright © 2021