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【判断题】
若线性规划的可行域【图片】, 则线性方程组【图片】的基本可行解是可行域【图片】的极点.A.
正确
B.
错误
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【多选题】Why did Xujing like Kunming best?
A.
It's like spring all the year around.
B.
She can enjoy the beautiful scnery.
C.
She can learn much knowledge.
D.
Because it's her hometown.
【单选题】Why did the farm leaders protest against the session?
A.
Because they did not like the session to be held in the National Archives building.
B.
Because they did not think sports had anything to do with the talk.
C.
Because they thought the decision of changing venue was against the previous agreement.
D.
Because they thought the talk was unfair to poor farmers.
【单选题】Why did July like sitting on the tree?
A.
Because she want to broadcast some information.
B.
Because she could enjoy beautiful things on the tree.
C.
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D.
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