题目内容：

Do you know about the flu? The flu germs usually spread quickly. In winter, lots of people may get the flu. If you do get sick, do you know what to do? Here are some tips.

Drink lots of water. Water is good for your body especially (尤其) when you get the flu.

Get plenty of sleep and take it easy. If you can’t sleep, you can listen to music, watch a movie or read a book to relax yourself.

If you feel serious, ask your parents to take you to see the doctor. But don’t take any medicine until you see the doctor.

Wash your hands often! You certainly don’t want to spread the flu to anyone else. Also, don’t share (共用) cups and eating utensils (餐具), like forks, with other people.

Most people who get the flu may get better without going to see the doctor. They will get better in about a week. But if you have a high temperature for more than a few days, call your doctor at once.

根据短文内容，回答下列问题。

1.Do the flu germs spread quickly?

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2.What can you do to relax yourself if you can’t sleep?

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3.If you feel serious, what mustn’t you do before seeing the doctor?

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4.Why can’t you share forks with others if you get the flu?

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5.How long does the flu usually last?

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