1. (2019八上·石家庄月考) 阅读理解，阅读下面材料，然后从各小题所给的四个选项中选出最佳选项。

    Your eyes allow you to see color, light, buildings and the face of those you love. The eyes are a clear way to feel the world. Here are some tips about how to look after your eyes.

    Take an eye break

    Many people need to look at computer screens（屏幕）when they work or study. That puts a lot of pressure （压力）on their eyes. So for every 20 minutes spent looking at a screen, you should take an eye break of around 20 seconds. During the break, you should loo at something that is at least 6 meters away.

    Wear a sun hat or sunglasses

    There are some harmful（有害的）rays from the sun. UV rays（紫外线）can be harmful to the eyes, so it's best to get into the habit of protecting them from an early age. Wearing a sun hat or sunglasses is the best way to protect your eyes.

    Eat eye-friendly foods

    You can also protect your eyes by eating some eye-friendly foods. Green vegetables and fish are good to keep our eyes healthy.

    Have a good sleep

    Make sure you have a good night's sleep. You may think you are doing nothing when you're sleeping.But it's time for your body to rebuild and repair（重建和修复）. At night, your eyes keep cleaning out the dirty things that come in during the day.

1. （1） How often should we take an eye break when we look at a screen?

   A . Every ten minutes. B . Every hour C . Every twenty minutes. D . Every twenty seconds.
3. （2） Which is the best way to protect your eyes from UV rays?

   A . Take an eye break. B . Wear a sun hat or sunglasses. C . Eat eye-friendly foods. D . Have a good sleep.
5. （3） Which is eye-friendly food?

   A . Green vegetables. B . Hamburgers. C . Ice cream. D . Hot dogs.
7. （4） How many tips does the writer give us to protect our eyes?

   A . Two. B . Three. C . Four. D . Five
9. （5） What is the passage about?

   A . What kind of food we should eat. B . The importance of our eyes. C . How to have a good sleep. D . Ways to protect our eyes.