单项选择题

The 13 measures of psychological well-being are used to ______.

A．serve as the standards for choosing the subjects of the research
B．serve as the ways to help adults to get over their unhappy marriage
C．examine all the 5232 married adults
D．examine all the adults in the database
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单项选择题
According to the passage, shopping for most people ______.
A．is a flexible means of communicating
B．is not just a means to gaining an end
C．does not provide an alternative to physical enjoyment
D．provides a perfectly easy and efficient way of living
单项选择题
According to Cyber Dialogue, ______.
A．online shopping will not replace the traditional shopping habits
B．customers seek information via the Internet more often than via any other means
C．Internet users prefer to seek information online without making real purchases
D．fewer and fewer people purchase what they want via the Internet
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