岁的时候生婴儿。根据短语in their forties,在四十多岁,可知比较符合句意,故选A。
【点评】考查介词短语,注意in one's forties的用法。
38.We throw rubbish every year.
A. ton of
B. tons
C. tons of
D. a ton of
【答案】 C
【解析】【分析】句意:我们每年扔大量的垃圾。ton,吨,前面没有具体数字,因此用
tons of,大量的,故选C。
【点评】考查固定搭配,注意平时识记。
39.There are tourists visiting Beijing every year.
A. hundred
B. hundreds
C. hundreds of
D. two hundreds of
【答案】 C
【解析】【分析】句意:每年有数百的游客参观北京。表达确切数字用基数词+hundred,
表达非确切数字用hundreds of,前面没有具体数字,因此用hundreds of,故选C。
【点评】考查数学词表达,注意平时识记。
40.Having introduced the new equipment, our factory turned out in 2004 as the year before.
A. cars three times as many as
B. three times as many cars
C. as many cars as three rimes
D. three times more cars than
【答案】 B
【解析】【分析】句意:在引进新设备后.我们的工厂在2004年的产量是前一年的三倍。
倍数+as+形容词+as+,……是……倍,固定搭配,故选B。
【点评】考查倍数的表达,注意倍数+as+形容词+as的用法。