倍数的表达方法(附练习及答案)

倍数的常用表达方式
1. A + 谓语+ 倍数+ as + 计量形容词或副词原级+ as + B
This tree is three times as tall as that one.
这棵树是那棵树的三倍高。

His father is twice as old as he.
他父亲的年纪有他两倍大。

2. A + 谓语+ 倍数+ 计量形容词或副词比较级+ than + B
The Yangtze River is almost twice longer than the Pearl River.
长江差不多比珠江长两倍。

The dictionary is exactly five times more expensive than that one.
这本字典比那本恰好贵5倍。

3. A + 谓语+ 倍数+ the + 计量名词(size/height/weight/length/width) + of + B
The newly broadened square is four times the size of the previous one.
新扩建的广场是以前的四倍大。

4. The + 计量名词(size/height/weight/length/width) + of + A + 谓语+ 倍数+ that + of + B
The size of the newly broadened square is four times that of the previous one.
新扩建的广场是以前的四倍大。

5. A + 谓语+ 倍数+ as + many + 可数名词复数+ as…
He has got three times as many books as his sister.
他拥有的书的数量是他妹妹的3倍。

6. A + 谓语+ 倍数+ as + much + 不可数名词+ as…
We've produced twice as much cotton this year as( we did) ten years ago.
今年我们生产的棉花是十年前的两倍。

7. A + 谓语+ 倍数+ more ＋名词＋than + B
8.He earns five times more money than he did ten years ago.
他现在挣的钱比十年前挣的多 5 倍。

There are twice more students in our class than in theirs.
我们班的学生人数比他们班多两倍
8. A + 谓语+ 倍数+ what从句
The production is now three times what it was ten years ago.
现在的产量是十年前的三倍。

The length of the road is four times what it was three years ago.
这条路的长度是三年前的 4 倍。

The price of the meat is twice what it was last year.
肉价是去年的两倍。

9. 其他表达。

如：
She’s twice/ double my age.
她的年龄是我的两倍。

The average income of the staff has been increased by 50 percent compared with last year.
与去年相比，该单位职工的收入已增加了50%。

He runs faster than me by three times.
他跑得比我快三倍
完成句子
1. The factory’s output of cars this year is __________________________________ . (as, great)
工厂今年出口的汽车大约是去年的三倍。

2. Our income is now twice ________________________ ten years ago. (what)
我们现在的收入是10年前的两倍。

3. The population of their county is ____________________ our county. (large)
他们县的人口是我们县的人口的两倍。

4. The farmers produce __________________ this year as they did last year.(much)
农民今年的棉花产量是去年的四倍。

5. Paper produced every year is __________________ the world’s production of vechiles.(weight)
每年生产的纸的重量是全世界车辆的三倍。

6. The newly built company is ____________________ the previous one. (size)
新建的公司是原先那个的三倍大。

7. The same coat here ____________________ as in that shopping center. (cost)
同样的外套在这儿比那家购物中心的贵两倍。

8. Using a washing machine means ________________ as washing by hand. (use)
机洗意味着用水是手洗的三倍。

9. Last year, smoking killed ______________ as traffic accidents did in the world.(twice)
去年因抽烟导致的死亡人数是车祸导致的死亡人数的两倍。

10. Our new campus is ____________________ of the old one. (size)
我们的新校园是老校园的四倍大。

11. The new bridge is ____________________ of the old one. (length)
这座新桥是旧桥的五倍长。

12. This ship measures _____________________ that one. (long)
这艘轮船的长是那艘轮船的两倍。

13. Americans eat _______________ vegetables per person today as they did in 2000.(than)
美国人现在每人所吃的蔬菜是2000年的两倍多。

14. Using his hybrid rice, farmers are producing harvests ____________ as before. (large)
用他的杂交水稻种子，农民们种出的粮食比以前多了一倍。

参考答案
1. about three times as great as that of last year
2. what it was
3. twice as large as that of
4. four times as much cotton
5. twice the weight of
6. three times the size of
7. costs twice as much
8. using three times as much water
9. twice as many people
10. four times the size
11. five times the length
12. twice as long as
13. more than twice as many
14. twice as large。