题目内容：

“A cold can disappear in two days. Seventy percent of people who catch a cold feel

better within a week, but it is unusual to have the common cold for as long as two weeks, ” says Gary Rogg, a medicine specialist (专家) at Montefiore Medical Center in New York.

Why does your cold seem to be staying for longer than it should? Here are some possible reasons.

Getting Less Sleep

Sleep plays an important role in our system. In fact, a study proved that people who got less than seven hours of sleep per night were nearly three times more likely to catch a cold than people who slept for eight hours or more.

Low on Water

Water plays an important part in your body. If your cold won’t go away, consider drinking more water.

Treating the Wrong Illness

The common cold can easily be mixed with other illnesses. Often, people believe they’ ve had a cold for a few weeks and may not realize that they aren’t getting better because they’ ve been treating the wrong illness.

Exercising Too Hard

“People ask me all the time,’ Should I exercise when I have a cold?’” Katona says. “My answer is usually’yes’ , but do it at a lower level. If you do it at a high level, you may get even worse.”

So, what does Katona consider to be a lower level? The answer is taking a walk, not running five miles.

1.Who is Gary Rogg?

A. He is a medicine specialist at Montefiore Medical Center.

B. He is a person who advises us not to exercise too hard.

C. He is a person who catches a cold easily.

2.Who can catch a cold more easily according to the passage?

A. People who sleep 6 hours per night.

B. People who sleep 8 hours per night.

C. People who sleep 10 hours per night.

3.According to the passage, which of the following is NOT a reason why your cold might stay for longer?

A. Getting less rest.    B. Eating more meat.    C. Drinking little water.

4.Which of the following is TRUE according to the passage?

A. 70% of people who catch a cold will not feel better within a week.

B. Katona says running five miles is a good way to get better.

C. Often the common cold is mixed with other illnesses.

5.What’ s the best title for the passage?

A. How to get away from the cold

B. Why your cold stays for longer

C. The right medicine for a cold