假设某歌唱演员的年薪为10万元，但若他从事其他职业，最多只能得到3万元，那么该歌唱演员所获得的经济地租为（     ） 

在金属货币制度下，由于辅币为不足值货币，铸币面值高于铸币金属的实际价值，因此铸造辅币可以获得铸币收入。（ ）

一般性货币政策工具是指中央银行经常使用的且能对社会的货币信用总量进行调节的工具，主要包括哪三大政策工具，俗称中央银行的“三大法宝”。( )

我国规定必须使用注册商标的商品有（）。

（ ）年，国家主席习近平在联合国“教育第一”全球倡议行动 一周年纪念活动上发表的视频贺词中强调，中国坚定实施科教兴国战略，始终把教育摆在优先发展的战略位置，不断扩大投入，努力发展全民教育、终身教育， 建设学习型社会，努力让每个孩子享有受教育的机会，努力让人民享有更好更公平的教育。

对某一特定社会中的所有组织都发生影响的环境因素就是宏观环境，它主要包括（   ）。 

在LM 曲线不变的情况下，自发总需求增加会引起（      ）

Barbara calls Mr. Smith to make an appointment.

Barbara: Hello, Mr. Smith. This is Barbara, the sales    1    of Audi. We met at the car exhibition last Friday.

Mr. Smith: Oh, yes. I was just going to call you. I really like that car you recommended and I am thinking of buying it.

Barbara: Good choice. Why don't you come to our store and we can work out the    2    of purchase? What time will be convenient for you?

Mr. Smith: I'll be out of town tomorrow, but almost any time after that would be fine with me.

Barbara: Well, could we make a tentative    3    for, say, this Saturday?

Mr. Smith: That's fine for me. Can you tell me your store's    4    and opening hours?

Barbara: It's near the Workers' Stadium. And we are open from 9 a.m. to 5 p.m.

Mr. Smith: Then, I'll come to your store around 10 o'clock.

Barbara: OK. I will wait for you in the store. And don't forget to bring your driver's    5    .

Mr. Smith: OK, see you then.

IS-LM模型是产品市场和货币市场一般均衡的模型。

You shouldn't ________ your time like that, Bob; you have to finish your school work tonight.