当物质在水相和有机相中的溶解达到平衡时,有关系( )。
A.D=cA,有/cA,水
B.D=[A]有
C.D=[A]水
D.D=KD
参考答案:B
If there were no rain, we should have___ on the beach.
A the happiest time B a more happier time
C much happiest time D a much happier time
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