题目

题型：不详难度：来源：

This year they have produced_________ they produced the year before last.

A．twice many cars as	B．twice as many cars as
C．twice more than cars	D．twice the cars of

答案

B

解析

考查倍数。倍数的表达有：倍数 + as + 形容词或副词的原级 + as + 其他；倍数 + 形容词（或副词）的比较级 + than + 其他；倍数 + the size / height / length / width. etc. + of + 其他。故选B。