单项选择题

In the United States today ______.

A．alcoholism is not a major social problem
B．there are no more than a million alcoholics
C．the problem of alcoholism costs thousands of millions of dollars every year
D．alcoholism has caused a million automobile accidents a year

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热门试题

单项选择题

The development of silent reading during the nineteenth century indicated ______.

A．a change in the status of literate people
B．a change in the nature of reading
C．an increase in the number of books
D．an increase in the average age of readers

单项选择题

The emergence of the mass media and of specialized periodicals showed that ______.

A．standards of literacy had declined
B．readers' interests had diversified
C．printing techniques had improved
D．educationalists' attitudes had changed