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Paper produced every year is ________ the world’s production of vehicles.

A. the three times weight of

B. heavier three times than

C. as three times heavy as

D. three times the weight of

【解析】D

试题分析:倍数表达法主要有以下几种方式:(1)……倍数+形容词(或副词)的比较级+than;(2)……倍数+as+形容词或副词+as;(3)……倍数+the size(length,height…)of。故选D。

考点:考查倍数表达法

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