在0.01mol/L硫酸溶液中,水电离出的[H+]=()。
A、0.02mol/L
B、1×10-7mol/L
C、5×10-13mol/L
D、1×10-12mol/L
参考答案:C
_____ she _____her homework in the evening? [ ]
A. Do do
B. Does do
C. Does does
D. Is do
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