经济萧条时政府应该（        ）

在一种可变投入的生产函数中，只要平均产量是上升的，就应增加可变要素的投入量。

— Have you ever been to Tokyo?
— _________________.

传统利率决定理论强调非货币的实际因素在利率决定中的作用，认为储蓄和投资是决定利率的两个重要因素。( )

述职报告是对管理人员进行考评的一种方式，它属于（   ）。

个体户黄某于2014年起开办了一个汽车修理部，当年应纳税营业额为5万元。同年6月，黄某历经十余年，呕心沥血写成自传体小说《奋斗之光》出版，获得稿酬3万元。但黄某的这些行为都没有进行纳税申报和税务登记，被税务机关查实后，对黄某作出了追缴税款的行政处理决定。黄某对处理结果不服，认为以上收入皆是自己辛勤劳动所得，属于勤劳致富，税务机关不应对其征税，拒绝执行该行政处罚。

请回答以下两道多项选择题：

下列关于财务指标的各种表述中正确的是（    ）

依照商行为的内容，商行为可以分为（　　）

假定某国目前的均衡国民收入为5500亿美元，如果政府要把国民收入提高到6000亿美元，在边际消费倾向为0.9，边际税收倾向为0.2的情况下，应增加多少政府支出？

二、阅读理解：选择题（每题10分）

Importance of Learning of a Foreign Language

There are a number of reasons __  1  __. Learning another language is important for both work and travel. It is also important for making real connections with other people. Lastly, it can give you a greater understanding of your own language.

Learning a foreign language would __  2  __. If you work in a foreign country, it will benefit you immensely if you can speak its language because then you would be able to work with all different types of employees, and this will give long-term career success. 

Speaking a foreign language gives you __ 3  __; it enables you to see how other people see the world around them. If you travel or work in a foreign country, think how much easier everything would be if you could speak the local language. It would be easier to find different places, ask for directions, and even order food.

Finally, if you speak a foreign language you will actually __ 4  ___. Other languages open our minds to new ways of thinking. For example, Eskimos have more words to describe snow and ice as it is such an important part of their lives.

Language is __  5  ___. It is how we share our thoughts with the world. Without language, there would be no way to communicate and express ourselves. The more languages you know, the more ways you have to communicate and express yourself. This is why learning many languages should be important, and why one language simply won't do.

A. improve your own first language

B. definitely enhance your chances of getting a job

C. what makes us human

D. why you should learn a foreign language

E. understanding of a country's culture