《Unit1 It's more than twenty thousand kilometres long》教案
《Unit1 It's more than twenty thousand kilometres long》教案第3页

6. 英语数字表达法

英语中常见的计数单位有:hundred,thousand,million(百万)等。

数字 规则 例词 几十 二十至九十都是以-ty结尾 sixty(60) 几百 在数字1~9后加hundred four hundred(400) 几千 在数字1~9后加thousand four thousand(4000) 几万 在几十后加thousand thirty thousand(30,000) 几十万 在几百后加thousand five hundred thousand(500,000) 几百万 在数字1~9后加million seven million(7,000,000) 几千万 在几十后加million twenty million(20,000,000) * hundred,thousand,million前面有具体数字时,这几个单词要用单数形式,不加-s。

* 十位与个位之间用连字符连接,百位与十位、个位用and连接。

> eighty-five 85

> four hundred and twenty 420

> six hundred and twenty-six 626

小练兵

1. 235 is read as _________.

A. two hundred and thirty five

B. two hundred and thirty five

C. two hundred and thirty-five

2. There are _________ people on the square.

A. six hundreds B. hundreds of C. hundred of

3. The Great Wall has a history of over ________ years.

A. two thousand B. two thousands C. two thousands of

4. My uncle is forty years old. His son is half as old as he is. So his son is _________.

A. fourteen B. twenty C. eighty