单项选择题

The research done by the Dement commission shows that Americans ______.

A．don’t like to take naps
B．are terribly worried about their national debt
C．sleep less than is good for them
D．have caused many industrial and traffic accidents

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热门试题

单项选择题

It is commonly accepted in American society that too much sleep is ______.

A．unreasonable
B．criminal
C．harmful
D．costly

单项选择题

The best title for this passage would be ______ .

A．The Importance of Newspaper Topicality
B．The Characteristics of a Good Newspaper
C．The Variety of a Good Newspaper
D．Some Suggestions on How to Read a Newspaper