无差异曲线的特征包括（     ）

- Is there anything serious, doctor?

- _____________________

一般来说，IS 曲线的斜率（    ）

根据《外层空间条约》和《月球协定》等文件的规定，各国可以（ ）。

简述短期总供给曲线的特征及其经济含义。

怀特认为，立法监督的主要职责在于（ ）。

在国民收入决定中，如果均衡收入大于潜在收入则会出现 （   ）

Michael calls Mr. Xie's company to postpone their appointment. His secretary Rosemary answers the phone.

Michael: Good morning. Can I talk to Mr. Xie, please?

Rosemary: Sorry. He is in a    1    now. Is there anything I can do for you?

Michael: Well, My name is Michael. I have an appointment with Mr. Xie at about 10 o'clock tomorrow morning, but could you please    2    it to sometime next week?

Rosemary: All right. What should I tell Mr.Xie?

Michael: I have to go for an urgent business    3    tomorrow. But I will be back before the weekend. Can we make an appointment for next week?

Rosemary: Well, let me check. Mr. Xie is in next Tuesday and Wednesday. When does it    4    you?

Michael: Tuesday is good.

Rosemary: I can put you down for eleven o'clock. 9 Is that OK?

Michael: Oh, I'll have an    5    that time. How about 3 o'clock in the afternoon?

Rosemary: All right.

Michael: Thanks. Please tell Mr. Xie that I am sorry for the inconvenience. Thank you very much.

Rosemary: You are welcome.

理想作为一定的社会产物，它的实现离不开 （ ）。

供给预测矩阵法是运用一种结构化表格进行人力资源供给预测并将预测结果标在表上的常用方法。（ ）