According to the classification of consumer motives, ______ should belong to the category of emotional motives.

单项选择题What is the main purpose of the passage

单项选择题According to the passage, a barter economy can lead to ______.

单项选择题In the second paragraph, the word real in real goods could best be replaced by ______.

单项选择题Which of the following is not mentioned by the author as a criterion for determining a person's place in a traditional society

单项选择题According to the passage, ______ has the greatest degree of control in an administered system.