1. (2023八上·綦江期中)  阅读理解

Different cultures have different ideas about why people catch colds. For example, in the United States, some people think that you can catch a cold if your feet get cold. So, mothers tell small children to wear warm shoes in winter. In other places, including parts of the Middle East, some people believe that strong winds cause colds. So, on buses, people don't like to sit next to windows. In parts of Europe, some people think that wearing wet clothes will give you a cold. They say that after you go swimming, you should quickly put on dry clothes. Today, scientists know that colds are caused by a virus(病毒). But the old ideas are still very strong and many people still follow them to avoid(避免)getting ill.

1. （1） In the United States, people think you can catch a cold if____.

   A . You wear wet clothes. B . You sit next to the window. C . Your feet get cold. D . You go swimming in summer.
3. （2） Which is NOT a cause of colds in the reading?

   A . Bad food. B . Wet clothes. C . A virus. D . Strong winds.
5. （3） The underlined word"them" refers to (指的是)____ in the passage?

   A . scientists. B . old ideas. C . colds D . dry clothes.
7. （4） What's the main idea of the passage?

   A . You should keep healthy in winter. B . Colds are serious problems in the world. C . Strong winds cause colds. D . Old ideas about why people catch colds.