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【单选题】
下列有关古诺纳什均衡说法错误的是（）.A.
模型中两个反应函数的交叉点就是纳什均衡
B.
双做的产量决策都为给定对做的产量决策的前提下的最优决策，因而双方都没有动力改变其产量
C.
当价格等于边际成本时，便达到古诺均衡各厂商的利润为零
D.
古诺纳什均衡具有稳定性，如果企业没有在古诺均衡点进行生产，它们会自动调整产量直到
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【简答题】反对称矩阵的主对角线上的元素均为_____.
【单选题】Speak A: Do you like Western food or Chinese food? Speak B: ___________________
A.
Yes, Chinese food
B.
No, Western food
C.
Western food.
【单选题】听力原文：W: What will you do with your cat when you leave for vacation? M: I'm having Ken take care of it. Q: What will happen to the man's cat? (6)
A.
He's putting it in a cage.
B.
Ken's taking it on vacation.
C.
It will go with the man.
D.
It will be staying with Ken.
【单选题】Speak a: Do you like Western food or Chinese food? Speak b: ___________________
A.
Yes, Chinese food.
B.
No, Western food.
C.
Western food.
【单选题】—I prefer western food. It's a kind of healthy food. —________ But western food is said to be high in sugar and fat, such as hamburgers and fries.
A.
Is that right?
B.
How do you know that?
C.
Do you really think so?
D.
Who told you that?
【单选题】听力原文：M: What will you do with your cat when you leave for vacation? W: I'm having Kent take care of it. Q: What will happen t p the woman's cat? (16)
A.
She' s putting it in a bag.
B.
Kent is taking it' on vacation.
C.
It will accompany her.
D.
It will be staying with Kent.
【多选题】以下属于领队人员的职责有( )。
A.
向导、讲解服务
B.
协助处理旅游行程中突发事件、纠纷及其他问题
C.
协同接待社实施旅游行程计划
D.
自觉维护国家利益和民族尊严
E.
为旅游者提供旅游行程服务
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