閱讀理解（二）

閱讀下面短文，根據(jù)短文內(nèi)容回答問(wèn)題。

Smartphone, Poor Sight

As we all know, smartphones make our lives easier, so we can find people around us always busy on them. But have you ever thought about what they mean to our eyes?

According to a survey, many people have become near-sighted（近視）because they spend too much time on the screens. When we look at something far away, our eyes blink（眨眼）about 15 times every minute. But when we look at things closer to the face, our eyes get drier because the blinkings slow down. Another bad habit is using smartphones in dark rooms before going to sleep. Bright screens can hurt our eyes and even cause more serious eye illness.

So use your smartphones wisely, and start to protect your eyes before it’s too late!

Hold the phone at least 30cm away from your eyes when using it.

Don’t forget to blink your eyes often before they get dry.

Keep the light on when you use smartphones at night.

Take a break at least every thirty minutes and look at something far away. Then try to look at the top of your nose and repeat this several times.

1. Why do many people use smartphones?

_______________________________________________________________________________

2.When do your eyes get drier?

_______________________________________________________________________________

3.Is it good to look at bright screens in dark rooms? Why or why not?

_______________________________________________________________________________

4.How often should you take a break while using smartphones?

_______________________________________________________________________________

5.What do you usually do to protect your eyes when using smartphones? (One way is OK.)

_______________________________________________________________________________

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