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英语教学系研究生练习题

来源:未知     时间:2020/06/18     点击量:
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英语教学系研究生练习题
 
1. Production possibilities frontiers cannot be used to illustrate tradeoffs().
A. 正确
B. 错误
2. An economy can produce at any point on or inside its production possibilities frontier, but it cannot produce at points outside its production possibilities frontier().
A. 正确
B. 错误
3. An assumption of the production possibilities frontier model is that technology is fixed ().
A. 正确
B. 错误
4. Trade allows a country to consume outside its production possibilities frontier ().
A. 正确
B. 错误
5. Henry can make a bird house in 3 hours and he can make a bird feeder in 1 hour. The opportunity cost to Henry of making a bird house is 1/3 bird feeder().
A. 正确
B. 错误
6. In one month, Moira can knit 2 sweaters or 4 scarves. In one month, Tori can knit 1 sweater or 3 scarves. Moira’s opportunity cost of knitting scarves is lower than Tori’s opportunity cost of knitting scarves().
A. 正确
B. 错误
7. If one producer has the absolute advantage in the production of all goods, then that same producer will have the comparative advantage in the production of all goods as well ().
A. 正确
B. 错误
8. Timmy can edit 2 pages in one minute and he can type 80 words in one minute. Olivia can edit 1 page in one minute and she can type 100 words in one minute. Timmy has an absolute advantage and a comparative advantage in editing, while Olivia has an absolute advantage and a comparative advantage in typing ().
A. 正确
B. 错误
9. It takes Anne 3 hours to make a pie and 4 hours to make a shirt. It takes Mary 2 hours to make a pie and 5 hours to make a shirt. Anne should specialize in making shirts and Mary should specialize in making pies, and they should trade ().
A. 正确
B. 错误
10. Trade can benefit everyone in society because it allows people to specialize in activities in which they have a comparative advantage ().
A. 正确
B. 错误

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