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

It can be concluded from the passage that newspaper readers______.

A．apply reading techniques skillfully
B．jump from one newspaper to another
C．appreciate the variety of a newspaper
D．usually read a newspaper selectively