1、单选题：
In many developing nations, _________ provide employment opportunities and ____________ to pay for the many products that cannot be produced in the home country. （ ）
选项：
A:imports, outputs
B:exports, earnings
C:imports, earnings
D:exports, outputs
答案: 【exports, earnings】

2、单选题：
The economic relationship and integration among nations is defined as:（ ）
选项：
A:open economies
B:economic interdependence
C:macroeconomics
D:microeconomics
答案: 【economic interdependence】

3、单选题：
The ratio between a country’s imports and exports of goods or services to their gross domestic product (GDP) is a measure of that country’s:（ ）
选项：
A:microeconomics
B:macroeconomics
C:openness as an economy
D:economic interdependence
答案: 【economic interdependence】

4、单选题：
The total value of all goods and services produced within a nation’s borders is called:（ ）
选项：
A:GDP
B:GNP
C:current account balance
D:net exports
答案: 【GDP】

5、单选题：
The economic interdependence among nations has ___________ over recent history.（ ）
选项：
A:increased
B:decreased
C:uncertain
D:remained the same
答案: 【increased】

6、单选题：
In 2020, under the COVID-19 VIRUS, we can guess that the world GDP ______________, while the world trade level ____________ .( )
选项：
A:decreased, increased
B:decreased, decreased
C:increased, increased
D:increased, decreased
答案: 【decreased, decreased】

7、单选题：
Which of the following analyzes the basis for and gains from trade?（ ）
选项：
A:Balance of payments
B:Foreign exchange market
C:International trade theory
D:International trade policy
答案: 【International trade theory】

8、单选题：
A summary statement of all the international transactions of the residents of a nation with the rest of the world during a particular period of time is called:（ ）
选项：
A:GDP
B:Net exports
C:GNP
D:Balance of payments
答案: 【Balance of payments】

9、判断题：
When interest rates increase in a major large country, capital flows from abroad will increase. ( )
选项：
A:错
B:对
答案: 【对】