Question

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

Answer 1

B

考查倍數(shù)。倍數(shù)的表達(dá)有：倍數(shù) + as + 形容詞或副詞的原級 + as + 其他；倍數(shù) + 形容詞（或副詞）的比較級 + than + 其他；倍數(shù) + the size / height / length / width. etc. + of + 其他。故選B。