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問答題
對于反應(yīng)2SO2+O2?2SO3，平衡時，SO2濃度必定等于O2濃度的兩倍 A.正確 B.錯誤
答案：
B
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問答題
Laba Festival falls on the 8th day of the 12th lunar month.
答案：
√The Laba Festival, also known as the "Laba Day," is indeed ...
