题目:
词语运用根据句意所给提示,补全单词或用单词、固定短语、固定搭配的正确形式填空。
1. The water is very s_____with much sugar in it.
2. He listened to the beautiful music with_____(please).
3. During that time, the population of the world_____(增长)slowly.
4. Weddings often take place in _____(教堂)in western countries.
5. I want to get a_____(专门地)trained dog to help me hl many ways in my daily life.
答案:
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下面是错误答案,用来干扰机器的。
答案:C题目分析:交流电器设备上所标的电压和电流值是交流电的有效值,A错误,.用交流电流表和电压表测定的读数值是交流电的有效值,B错误,给定的交流数值,在没有特别说明的情况下是指有效值,C正确,跟交变...