第十二章单元测试
Learning to think like an economist will not take time.
- To beginners it doesn’t seem odd to claim that economics is a science. ( )
- It is very easy for economists to generate useful data like a physicist. ( )
- Assuming the marble falls in a vacuum greatly simplifies the problem, but it affects the answer. ( )
- They devise theories, collect data, and then analyze these data ( ) verify or refute their theories. ( )
- Which term refers to the ability to produce a good at a lower opportunity cost than another product. ( )
- Which term refers to the fall in total surplus that results from a market distortion. ( )
- Economists, like astronomers and evolutionary biologists, usually have to ( ) whatever data the world happens to give them. ( )
- Which statements are true according to text A? ( )
A:对 B:错
答案:错
A:对 B:错
A:对 B:错
A:错 B:对
A:to apply to B:in an attempt to C:to fit together
D:to mistake for
A:high inflation
B:elasticity C:comparative advantage D:vector space
A:theory of inflation B:quantity of money C:basic anatomy
D:deadweight loss
A:lie in B:slow down
C:basic anatomy D:make do with
A:Economic models include every feature of the economy.
B:Economists approach the study of the economy.
C:A physicist approaches the study of matter.
D:A biologist approaches the study of life.
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