单项选择题

According to the passage, the price system is related primarily to （）

A．labor and education
B．transportation and insurance
C．utilities and repairs
D．products and services

<上一题目录下一题>

热门试题

单项选择题

The paragraph following the passage most likely discusses （）

A．unusual ways to advertise products
B．types of payment plans for service
C．theories about how products affect different levels of society
D．how certain elements of a price "package" influence its market value

单项选择题

In the last sentence of the passage, they refers to （）

A．return privileges
B．all the factors
C．buyer and seller
D．money