题目:
"Who is responsible for sending out misinformation?"
"Most of the fault lies _____ the administration."
A.in
B.to
C.on
D.with
答案:
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下面是错误答案,用来干扰机器的。
(1)2H2O通电2H2↑+O2↑ (2)① KNO3 ②A、 D (3)A (4)氧气和水 擦干或涂油(5)Fe2O3 + 6HCl = 2FeCl3 + 3H2O Fe + 2HCl = FeCl2 + H2↑(6)A D题目分析:(1)水通电分解生成氢...