1)本句使用了倍数表达法。
2)倍数表达法有以下五种句式结构:
(1)“A+be+倍数+as+形容词原级+as+B”。
This tree is three times as tall as that one.
这棵树是那棵树的三倍高。
(2)“A+be+倍数+形容词比较级+than+B”。
The Yangtze River is almost twice longer than the Pearl River.
长江差不多比珠江长两倍。
(3)“A+be+倍数+the+名词+of+B”。
The newly broadened square is the previous one.
新扩建的广场是以前的四倍大。
(4)“The+名词+of+A+be+倍数+that+of+B”。
The population of this city is four times that of that one.
这个城市的人口是那个城市人口的四倍。
(5)“The+名词+倍数+名词性从句”。
The production this year last year.
今年的产量是去年的三倍。
3.However,I do agree that we should produce more things from materials that have been recycled,and less from raw materials,the supply of which is growing smaller and smaller.但是,我非常赞同我们应该更多地利用回收材料制造产品,减少原材料的使用,因为原材料的供应正变得越来越紧张。
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