1. 阅读短文，选择正确的答案。

In winter, the weather is very cold. Some people feel ill in the winter. If you don't wear warm clothes, you will have a cold. How do you feel if you have a cold? You will be very tired. Your head may hurt badly. Your temperature (体温) will be higher than 37. Then you may have a fever (发烧). But don't worry! If you are ill, see a doctor. You should take some medicine (药) and stay in bed for a few days. And you should drink more hot water. Then you will feel better soon.

1. （1） People feel ill in the winter because it's ________.

   A . warm B . cold C . cool
3. （2） You will be ________ if you have a cold.

   A . tired B . happy C . afraid
5. （3） If your temperature is higher than 37, you may _______.

   A . have a headache B . have a fever C . have a toothache
7. （4） If you are ill, you should ________.

   A . see a doctor B . go to school C . go swimming
9. （5） ________ is good for you when you're ill.

   A . Drinking hot water B . Drinking no water C . Drinking more cold water