单项选择题

Which of the following is NOT true

A．The Eskimos seldom suffer from colds.
B．Colds are not caused by cold.
C．People suffer from colds just because they like to stay indoors.
D．A person may catch a cold by touching someone who already has one.

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热门试题

单项选择题

Arctic explorers may catch colds when ______.

A．they are working in the isolated arctic regions
B．they are writing reports in terribly cold weather
C．they are free from work in the isolated arctic regions
D．they are coming into contact again with the outside world

单项选择题

According to the author, sex roles ______.

A．are socially determined
B．are emotionally and physically determined
C．can only be determined by what education people take
D．are biologically and physically determined