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【单选题】
4 -1. 下列氧化还原电对中,电极电势 最大的是A.
Ag + /Ag
B.
AgCl/Ag
C.
AgBr/Ag
D.
AgI/Ag
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举一反三
【单选题】Listen to the dialog and choose the best answer to each of the following questions. Which of the following statements about Xin is true?
A.
Xin cooked a lot in China though she didn ’ t need to.
B.
Xin cooks a lot in America though she may not enjoy cooking.
C.
X in likes pizza though she doesn ’ t like many other American foods.
D.
Xin often cooks in America because she misses Chinese food a lot.
【简答题】流行性腮腺炎的潜伏期为（）天。
【单选题】In China, for a professor called Liu Xin, the inappropriate form of address is ______.
A.
Mr. Liu
B.
Professor Liu
C.
Professor Xin
D.
Comrade Liu
【简答题】可由试验直接测定的土的物理性质指标有:( )、密度、( )。
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