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【单选题】
向氯化铜和盐酸的100g混合溶液中，逐滴加入溶质质量分数为10%的氢氧化钠溶液，参加反应的氢氧化钠溶液质量和生成沉淀的质量关系如图，仅考虑沉淀为氢氧化铜．则下列说法正确的是（　　）
A.
整个反应中，氯离子个数减少
B.
P点溶液中的溶质只有一种
C.
M点溶液比P点溶液中氯化钠的质量分数大
D.
沉淀完全时，m 1 的数值为80
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【单选题】The revolution of 1688 meant three of the following things except ______.
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the beginning of modern England
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the triumph of the principle of political liberty
D.
the Restoration of monarchy
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