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【单选题】
4-2、乙酰丙酮(L)与Zn 2 + 形成络合物的lgβ1,lgβ2分别为5.0和8.8,当溶液中络合物的浓度[ZnL]=[ZnL 2 ]时,pL应是 ( )A.
5.0
B.
3.8
C.
>3.8
D.
<3.8< /div>
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【简答题】Directions : You should write your responses to both Part A and Part B of this Part A 66. Your American friend Peter Jones is coming to your hometown for a one-week visit. Write to him about: 1) the w...
【单选题】Which offshore area has the largest number of floating platform types?
A.
North Sea
B.
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C.
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D.
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【判断题】Offshore banking is a qualitative rather than a geographically explicit locational term．
A.
正确
B.
错误
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【单选题】Tom’s pay depends on ______ the factory.
A.
he plays in what part
B.
he plays what part in
C.
what part he plays in
D.
in what part he plays
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