问题
选择题
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 a word
D．rather than
答案
答案：A
本题的含义是这不是得到更多水的经济方式，相反，它的价格非常昂贵，on the contrary表示相反的意思，与题意较符合，故本题选A。