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sible to continue living in Germany. ( SB. 2B P.4)
比较以下高考题：
1、The hero of the story is an artist in his ______. (MET’ 91)
A. thirtieth B. thirty C. thirty’s D. thirties
2、It is not rare in ______ that people in ____ fifties are going to university for further education. ( 99 上海题)
A. 90s…the B. the 90s…/ C.90s… their D. the 90s… their
表示年月日。英语中，年月日的顺序，可以先写日子，再写月份，最后写年份；也可以先写月份，再写月份，最后写年份。年月日中，除了月份外，均用阿拉伯数字书写。例如：
月日—— a). January 2nd 或January 2
[读作：January the second; 在美式英语里，一般读作：January second;写的时候，the和 of 可以不写。]
b). 2nd January 或2 January［读作： the second ( of ) January］
年月—— a). January, 1980
b). January 1980
年月日——a). 2nd January, 1980或2 January, 1980
b). January 2nd, 1980或 January 2, 1980
同时，用必要指出： 英语中，也有类似汉语中完全用数字表示：“年月日”的用法。例如：8/7/1998
但是，对此，可以有两种不同的理解：在英国“表示：8/7/1998July the eighth nineteen ninety-eight ( 1998年7月８日)；在美国“8/7/1998”表示：August the seventh nineteen ninety-eight (1998年８月７日)。因此，在使用英语时， 不得随意按中国人的习惯完全用数字来表示年月日，以免歧义。
五、用数词表示倍数
基数词可以用于以下结构中表示倍数：
⑴ A is three times as big ( long, wide ) as B. 例如：
If you offered me six times (as much as ) what you have just offered, I would still take my pound of fresh. (SB. 3A P.62)
⑵ A is three times bigger (longer, wider) than B. 例如：
The population in and around San Francisco is now ten times more than it was in 1906. (SB. 1A P/27)
⑶A is three times the size ( height, length, width) of B. 例如：
The New building is four times the size of the old one. ( STB. 3A P. 150)
需要注意的是：用times表示倍数，一般限于表示包括基数在内三倍或以上的数；表示两倍的数一般用twice。同时，应注意twice, three times 等在上述结构中的位置。
比较以下试题：
1、After the new technique was introduced, the factory produced ___ tractors in 1988 as the year before. (MET.90)
A. as twice many B. as many as C. as twice as many D. twice as many
解析： 注意twice 在as…as 结构中的位置。
2、Paper produced every year is ____ the world’s production of vehicles. (98上海题)
A. the three times weight of B. three times the weight of
C. as three times heavy as D. three times as heavier as
同时，分数词也可以用于上述结构中。例如：China is ____ large than the United States. ( 90 上海题)
A. one six B. one sixth C. one sixes D. one sixths
六、用数词构成度量结构作修饰语
由“数词＋名词”构成的度量结构可以用作名词的虚实语。如果该度量结构中的名词是单数，一般在短语最后一个词之后加“－s”如果该名词是复数，一般加“-’”. 例如：
What was NO.64 Middle School’s football team like? (JB. 3 P.90)
Jane and Setty are going on separate holidays in a few days’ time. ( SB.1A P.13)
比较以下高考题：
Come and see me _____ two or three _____. (95 上海市题)
A. for…days B. after… days C. in…days’ time D. during… day times
解析： 此题中，two or three days’ 用作名词time 的修饰语。由于two or three days 中的名词是复数，因此，因在短语之后加”-’”,从而构成in two or three days’ time。 但是， 不要与复合形容词修饰名词结构混淆。比较：
a three-colour picture a two-way radio
the five-year plan a ten-year-old boy
an eleven-year-old boy a twenty-dollar bill
因此，我们在英语数词的学习使用中，一定要遵循数词使用的基本规律，符合英语的表达方法。
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