英语表达倍数三种方式（英语中表达倍数）

表达倍数时，两倍用twice/double, 三倍以上用基数词 times,常见的表达方式如下：

1. 倍数 as…as型

   例如：We have produced three times as many computers as we did last year.我们生产的计算机是去年的三倍多。

2. 倍数 the size of 型

例如：China is almost five times the size of Mexico in area.在面积上，中国几乎是墨西哥的五倍大。

3. 倍数 what从句

例如：The length of the road is twice what it was three years ago.这条路是三年前的两倍长。

4. 倍数 比较级 than

例如：I am twice older than you. 我的年龄是你年龄的两倍。

5. 比较级 than… by 倍数

例如：The line is longer than that one by twice.这根绳子比那根长两倍。

6. 习题巩固

1. Americans eat ________ apples per person today as they did in 1960.

A. more than twice B. as twice as many

C. twice as many as D. more than twice as many

2. Paper produced every year is _______ the world's production of vehicles.

A. the three weight of B. three times the weight of

C. as three times heavy as D. three times as heavier as

3. With the help of the German experts， the factory produced ______ cars in 1996 as the year before.

A. as twice many B. as many twice

C. twice as many D. twice many as

4. This ship measures ________ that one.

A. as twice as long B. as twice long as

C. twice long as D. twice as long as

5. After the new technique was introduced, the factory produced _______ tractors in 1890 as the year before.

A. as twice many B. as many as

C. as twice as many D. twice as many

答案：D B C D D