摘要：25．This is not an economical way to get more water; . it is very expensive. A．worse still B．on the contrary C．in short D．in addition 解析:economical 同 expensive 之间互为相反意义.故只能选 on the contrary .wrose still 更为糟糕的是,in short 简言之.in addition 另外.它们都不合句意. 答案:B

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