1. Using money as a medium of exchange means that
A. you have to sell something in order to buy something
B. you have to buy something in order to sell something
C. you don′t have to buy something in order to sell something
D. the seller and the purchaser are the same person
2. Specialization is encouraged because
A. people can use their money to buy whatever they want
B. people do not need to make a complete product for exchange
C. people make a great contribution to the manufacture of a product
D. people cannot use their money to buy whatever they want
3. A barter economy is one in which
A. value is decided by weight
B. value is decided by number
C. money is used and goods are not exchanged
D. goods are exchanged and money is not used
4. If one had to save products instead of money,
A. this would need years of practice
B. coal, for example, would lose its value
C. they could not be stored for years on end.
D. many products would lose their value
5. How many advantages of money are mentioned in this passage?
A. Two.
B. Three.
C. Four.
D. Five.
