第十一章 數(shù)詞 小數(shù)及百分?jǐn)?shù)

　　1.小數(shù)的讀法如下：

　　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

　　2.小數(shù)作定語時較多：

　　Our grain output is now 2.4 times that of 1998.

　　現(xiàn)在的糧食產(chǎn)量是1998年產(chǎn)暈的2.4倍。

　　Its total output value was up 5.6 times in these years.

　　在這些年里它的工業(yè)總產(chǎn)值增長了5.6倍。

　　3.百分?jǐn)?shù)由per cent(美國英語：percent)表示，多和by連用，作狀語：

　　Its output of cotton went up by 20 per cent.

　　它的棉花產(chǎn)量增長了百分之二十。

　　The price was reduced by 18 per cent.

　　價格降低了百分之十八。

　　百分?jǐn)?shù)也可單獨作狀語：

　　Its grain output was 16.5 per cent higher than in 1995.

　　它的糧食產(chǎn)量比1995年增長了百分之十六點五。

　　The output value of chemical fertilizer was 18 per cent above that of the previous year.

　　化肥產(chǎn)量比頭一年增長百分之十八。

　　4.百分?jǐn)?shù)有時可用作主語(a)，賓語(b)，定語(c)或狀語(d)：

　　a.40 per cent of the students are women.

　　百分之四十的學(xué)生是女生。

　　b.B1acks constitute ten per cent of the population.

　　黑人占人口的百稱之十。

　　c.The March figure for output value registered a 17 per cent increase over February.

　　二月份產(chǎn)值比二月份增長百分之十七。

　　d.I think it's ninety per cent probable.

　　我看有百分之九十的可能性。