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【判断题】
能用大M法求解的线性规划问题不一定能用两阶段法求解A.
正确
B.
错误
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】What will the man do this afternoon?
A.
He has an important meeting.
B.
He has a lunch appointment.
C.
He will check his schedule for openings.
D.
He will write a report.
【简答题】A．No, he is not allowed to change his mind. B．Yes, he has the legal right to do so. C．No, because he has already displayed the goods. D．Yes, if the customer allows him to do so.
【单选题】— Do you think he can get the first prize for jumping? —Impossible now. He to do so, but he has just hurt his leg. [ ]
A.
would expect
B.
was expected
C.
has expected
D.
is expected
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