【题目】This is not an economical way to get more water; ________, it is very expensive.
A. worse stillB. on the contrary
C. in shortD. in addition
在线课程【答案】B
【解析】
考查短语辨析。句意：这不是一种获得更多水的经济方法，相反，它非常昂贵。A. worse still更糟的是；B. on the contrary相反；C. in short总之；D. in addition另外。前后句意思相反，故选B。