单项选择题

According to the author, we are most likely to catch a cold if we ______.

A．attend a party with a lot of people
B．stay long hours in the street on a snowy day
C．go out on an extremely cold and windy day
D．go skiing or skating in the open air

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热门试题

单项选择题

From what the author says, we can infer that Exposure to severe weather causes colds. is ______.

A．only a supposition of doctors
B．still the view held by many people
C．an out-of-date view of people in the past
D．a fact already proven by doctors

单项选择题

The best title for this passage might be ______.

A．Colds and Viruses
B．Ways to Avoid Colds
C．The Spread of Viruses
D．Hand Contact and Transmission of Viruses