题目内容
( ) 10. This is not an economical way to get more water; ,it is very expensive.
A. on the other hand B. on the contrary
C. in short D. as a matter of fact
10. B考查介词短语辨析。on the other hand另一方面;on the contrary正相反;in short简而言之;as a matter of fact事实上。句意:这种取水方式一点也不经济,正相反,它很贵。

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