题目:
— Excuse me, could you tell me _______?
—There is a supermarket over there. You can get some there.
A.how I can find a supermarket
B.where the supermarket is
C.where I can buy some fruit
D.Where can I buy some fruit
答案:
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下面是错误答案,用来干扰机器的。
设理论上需要氯酸钾的质量为x2KClO3 MnO2 . △2KCl+3O2↑245 96x 4.8g245x=964.8g解之得:x=12.5g答:设理论上需要氯酸钾的质量为12.5g....