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【单选题】
关于印度教徒的交换，说法不正确的是（）。A.
印度教徒的交换是不平衡的
B.
印度教徒的交换是“”交换
C.
印度人交换与“阶序人”这种基本人际状态相联系
D.
印度教徒的交换的不平状态最终也会走向平
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举一反三
【单选题】Why is the man in a hurry?
A.
Because he wants to go home.
B.
Because the bank is closing soon.
C.
Because he is going to check his work.
【单选题】A) The bank had fired the woman. B) Thewoman used to work for a lawyer. C) Thework in the bank is more interesting. D) Thewoman used to work in a bank.
A.
The bank had fired the woman.
B.
The woman used to work for a lawyer.
C.
The work in the bank is more interesting.
D.
The woman used to work in a bank.
【简答题】已知原问题 max z＝x1＋4x2＋3x3 的最优解为X*＝(0，0，4)T，最优值z*＝12，试用对偶理论求对偶问题的最优解。
【简答题】已知max Z=60x1+50x2,2x1+4x2≤80,3x1+2x2≤60,x1≤16,x1,x2≥0的最优解(x1,x2)=(10,15),则增加约束x1+2x2≤40的最优解是[ ]
【简答题】已知max Z=3x1+4x2+x3,2x1+3x2+x3≤1,x1+2x2+2x3≤3,x1,x2,x3≥0的最优解为X=(1/2,0,0)',则第一个对偶约束的松驰变量等于[ ]
【简答题】句型转换。 1. The bank is next to the supermarket. (对画线部分提问) the bank? 2. There is a post office near here.(变为一般疑问句，并作否定回答) __ __ a post office near here? __ , ___ _ . 3. The hotel is in front of the resta...
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【简答题】已知max Z=60x1+50x2,2x1+4x2≤80,3x1+2x2≤60,x1≤16,x1,x2≥0的最优解(x1,x2)=(10,15),则增加约束x1+2x2≤40的最优解是[ ]