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Liu Rui, a 15-year-old boy from Guangdong, began to wear glasses at the age of five. Most students in Liu's class wear glasses. In fact, half of Chinese teenagers are near-sighted (近视). But young people aren't the only ones with eyesight (视力)_______ in China. This is _______because of the long-time use of the eyes when people are studying or working. Many people spend a lot of time _______ books and electronic devices (电子设备). It makes eyes tired. Also, many people know that reading under dark light is _______ for their eyes.

Many people wonder why eating too much sugar is another reason. Scientists _______ that eating too much sugar can do bad to your eyes too. That's because too much sugar in the body brings a shortage(缺乏)of vitamin B1. It is very bad for your eyes. How to protect your eyes? Many scientists give _______ on how to better protect your eyes:

Follow the 20-20-20 _______ : Every 20 minutes, take away any electronic devices you are using. Then, watch 20-meter-away trees for _______ 20 seconds.

A study shows that kids spending more time outside are not easy to _______ near-sighted. when you're outside, your eyes have ________ time to watch greens.

At the same time, your eyes can get more sunlight. 1t can help your eves grow and stay healthy as well.

1.A.questions B.problems C.mistakes D.actions

2.A.luckily B.quickly C.seriously D.mainly

3.A.seeing B.reading C.looking D.writing

4.A.bad B.good C.easy D.difficult

5.A.disagree B.wonder C.believe D.refuse

6.A.advice B.resolutions C.examples D.discussions

7.A.event B.result C.service D.rule

8.A.at last B.at least C.at most D.at once

9.A.become B.catch C.bring D.expect

10.A.more B.less C.fewer D.faster

八年级英语完型填空中等难度题

少年,再来一题如何?
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