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【单选题】
下面对这个批斗会形容最到位的一项是:
A.
喜剧
B.
悲剧
C.
闹剧
D.
戏剧
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A.
正确
B.
错误
【多选题】某电极的标准电极电位是在 ( ) 时的电位。
A.
组成该电极的电对氧化型活度和还原型活度相等
B.
活度为 1mol/L
C.
该电对相对于标准氢电极的电位
D.
浓度为 1mol/kg
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A.
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B.
错误
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【判断题】某电极的标准电极电位是在该电对相对于标准氢电极的电位。
A.
正确
B.
错误
【单选题】当水样中待测物质的含量低于检测限时,必须进行( )处理。
A.
消解
B.
分离
C.
富集
D.
掩蔽
【简答题】听长对话,选择正确答案。 1. Where are the man and the woman? A. At home. B. At school. C. In a shop. 2. Where is the clock? A. On the table. B. On the bookcase C. We don't know. 3. Where is Tom's computer ? A...
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