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【单选题】
用沉淀法测定银的含量，最合适的方法是A.
莫尔法直接滴定
B.
莫尔法间接滴定
C.
佛尔哈得法直接滴定
D.
佛尔哈得法间接滴定
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【简答题】We observe that the first calls for radical transformation did not begin until the period of the revolution . (industry)
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【判断题】One problem with Web analytics, Web mining, and clickstream data is that we observe and follow a computer, not knowing who is actually moving the mouse.
A.
正确
B.
错误
【单选题】That we observe the victory is to ___________. a) celebrate b) focus on our great success in presidential elections
A.
a) celebrate
B.
b) focus on our great success in presidential elections
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