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【简答题】
物资调运方案的最优性判别准则是:当 时,当前的方案一定是最优方案。
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举一反三
【简答题】Henry was an office worker in a big city. He worked very hard and enjoyed traveling in his holidays. He usually went to the seaside, but one year he saw an advertisement in a newspaper. “Enjoy country...
【简答题】阅读理解。 Alan worked in an office in the city. He worked very hard and really looked forward to his holiday. He usually went to the seaside, but one year he saw an ad. in a newspaper 'Enjoy country life....
【单选题】He worked very hard. _____ he got good grades in the final examination last year. [ ]
A.
In this way
B.
On the way
C.
By the way
D.
All the way
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