单项选择题

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 an, d money is not used
<上一题 目录 下一题>
热门 试题

单项选择题
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
单项选择题
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
相关试题