皮皮学，免费搜题
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【单选题】
下列化学反应既不属于分解反应又不属于化合反应的是 [     ]
A.
硫+ 氧气 二氧化硫
B.
高锰酸钾 锰酸钾+二氧化锰+氧气
C.
氢气+氯气 氯化氢
D.
二氧化碳+氢氧化钙→碳酸钙+水
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【简答题】Exercise A: Listen and repeat. Listen to some sentences. Pay attention to the link-ups. 1. A: Fres h, I hope. B: Fres h, o f course, sir. 2. B: I wo n an a pple. Did you wo n a nything? A: I wo n an o...
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