单项选择题

如果投标截止日期前第( )后,由于法律、法令和政策变化引起的工程费用发生增减变化,工程师与当事人双方协商后可以调整合同金额。

A.25天
B.30天
C.28天
D.20天
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多项选择题
关于留置权孳息的规定错误的是()。

A.留置期间的孳息归债权人所有
B.留置期间的孳息归债务人所有
C.留置期间的孳息应当先充抵收取孳息的费用
D.留置权人有权收取留置财产的孳息
E.留置期间的孳息应当先充抵留置财产保管的费用

单项选择题
W: Bob, are you going straight home after school today?M: No, I have a class until one o’clock and after that I’m going to spend a couple of hours at the library before going home.When is Bob going home this afternoon?()

A.Around 3:00.
B.At 1:00.
C.At 2:00.
D.He is not sure.

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