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【单选题】
在网络问题中,将某一个点Vi的物资或信息送到另一个点Vj,使得流量最大。这属于:A.
最短路问题
B.
最小费用流问题
C.
最大流问题
D.
最小费用最大流问题
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【简答题】B People all over the world know Wimbledon as the center of lawn tennis. In 1874 it was a country village, but it was the home of the All England Croquet Club. The Club had been there since 18. A lo...
【简答题】Ethanol, Schmethanol Everyone seems to think that ethanol is a good way to make cars greener. However , everyone is wrong. 1 Sometimes you do things simply because you know how to do. People have know...
【单选题】From the perspective of the poor, it seems obvious that the benefits would outweigh the costs. The benefits to poor people of no longer being poor would be enormous. Their intake of protein and other ...
A.
A rich businessman humiliates his poor fellow for not working hard.
B.
A worker beats a gentleman for his staring at his beautiful wife.
C.
A poor man murders another poor one just for his money.
D.
A president of a company sends a spy to another company to steal some information.
【单选题】People all over the world know Wimbledon as the center of lawn tennis. In 1874 it was a country village, but it was the home of the All England Croquet Club. The Club had been there since 1864. A lot ...
A.
a country village
B.
the home of an unusual croquet club
C.
the center of lawn tennis
D.
a famous place of interest near London
【简答题】阅读理解 Competition. It's a word, yet a very complex word that covers many angles when it comes to how gasoline prices are determined. It seems so easy to explain, but don't let that trick you-it'...
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