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【判断题】
在实际测定溶液pH值时,常用标准缓冲溶液来校正,其目的是为了消除不对称电位。( )A.
正确
B.
错误
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A.
Have; been
B.
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C.
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【简答题】Hi！Have you ever suddenly felt that someone you knew was in trouble—and was he? Have you ever dreamed something that came true later? Maybe you have ESP (超感觉知觉). ESP stands for Extrasensory Perception...
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