Each of the engineers and professors is working hard at their posts, ____ to accomplish the goal as soon as possible. A. wish B. for wishing C. wishing D. to wish
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6.下列叙述错误的是( A. 在室温条件下,任何水溶液都有[H+] [OH-]=1×10-14
6.下列叙述错误的是( A. 在室温条件下,任何水溶液都有[H+] [OH-]=1×10-14 B. 温度升高时,Kw值增 C. 溶液的pH越大,其pOH