题目

题型：不详难度：来源：

You’d better go there by train.The train ticket is________the airplane ticket.

A．as cheap three times as	B．as three times cheap as
C．three times cheaper than	D．cheaper three times than

答案

C

解析

考查倍数表达。本题是倍数表达的另外一种形式：倍数+比较级+than…。故C正确。