S1: Could you introduce all the machinery on deck? S2: Sure. Let's go to the forecastle deck and start with the windlass. Q: Where was the windlass situated?
A.
On the forecastle deck.
B.
On the poop deck.
C.
On the weather deck.
D.
On the main deck.
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【单选题】镍(Ni)是重要的金属,镍及其化合物发生下列反应: ①Ni+2HCl═NiCl 2 +H2 ②NiO+2HCl═NiCl 2 +H 2 O ③NiO 2 +4HCl═NiCl 2 +Cl 2 +2H 2 O 对上述反应的分析错误的是( )