This is not an economical way to get more water; ____, it is very expensive.A．o

题型：不详难度：来源：

This is not an economical way to get more water; ____, it is very expensive.

A．on the contrary

B．on the other hand

C．in short

D．in all

答案

A

解析

试题分析：考查介词短语：A. on the contrary正相反B. on the other hand另一方面C. in short简言之    D. in all总共，句意：这不是得到更多的水的有效方式，正相反，这是更贵的。选A。
点评：对于介词短语在日常学习中要注意归类，进行比较分析识记。一般介词都是在固定搭配中，做题的时候结合上下文的句意判断，最好把句子翻译通顺才行。