单项选择题

According to the passage, the price system is related primarily to ______.
A) labor and education C) utilities and repairs
B) transportation and insurance D) products and services

A．According to the passage, the price system is related primarily to ______.
B．labor and education
C．transportation and insurance
D．utilities and repairs
E．products and services
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单项选择题
The word guarantees (para. 2) probably means ______. A) warranties C) instructions B) claims D) names
A．The word "guarantees"(para. 2) probably means ______.
B．warranties
C．claims
D．instructions
E．names
单项选择题
The passage most likely discusses ______.
A．ways to advertise products
B．types of payment plans for products
C．definition of price
D．how certain elements of price "package" influence its market value
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