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【判断题】
对偶问题不可行，原问题可能无界解A.
正确
B.
错误
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皮皮学刷刷变学霸
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【简答题】音乐教学设计的艺术体现在哪几个方面?
【多选题】M-L21-5 When the delivering airline discovers that the amount of collect charges is higher than the amount entered on the AWB, it may ( ).
A.
collect the undercharge amount from the consignee
B.
collect the undercharge amount from its handing airline
C.
bill the issuing carrier for the difference
D.
bill the receiving carrier for the difference
【单选题】The destruction of Iraq National Museum was a great loss for mankind that no amount of money could ______.
A.
stand up to
B.
come up with
C.
put up with
D.
make up for
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