Liu Shuangrui，a 15-year-old boy from Liaoning，started to wear glasses at the age of 5.Twenty-five of 38 students in Liu's class wear glasses.Does this sound anything like your class？In fact，about 60 percent of Chinese teenagers are near-sighted（近視的）.China has the world's most near-sighted people：700，000，000 in 2021.
"This is mainly because of the overuse of the eyes when people are studying or working，"Wang Ningli，head of a famous Beijing hospital once said.Now，many young people spend lots of time looking at computers or phones every day.
Many people know that reading in the dark light is bad for one's eyes.They try to read only under bright（明亮的）light.However，if the light is too bright，it can also have bad results for one's eyes.
Eating too much candy can do something bad for your eyes as well.Too much candy will result in losing vitamin（維生素） B1.Vitamin B1 is very important for your eyes.
It's not so hard to save eyesight（視力） as you expect.Almost everyone can try the following advice（建議）.
?Follow the 20 rule：Every 20 minutes，look away from computers or phones you are using.Try not to put them too close to your eyes.Keep your eyes at least 20 cm away from the screens or the desks when you work or study.
?Do some outdoor activities every day.When you are outside，look at things far from you.In this way，your eyes can get relaxed.And getting more sunshine will be useful for your eyes.
| Care for Eyes | ||
| The（1） number number of near-sighted people |
●About 60% of Chinese teenagers are near-sighted. ●700，000，000 people were near-sighted in 2021. |
|
| （2） Reasons Reasons for becoming near-sighted |
Overuse of the eyes | People look at computers or phones for too long. |
| Reading in bad light | The light is （3） either either too dark（3）or or too bright. |
|
| Eating too much candy | The vitamin B1 will get （4） less less when people eat much candy. |
|
| Advice on saving eyesight | Follow the 20 rule. | ●Look away from the computers or phones（5） three times three times an hour.●Keep eyes at least 20 cm away from the screens or desks. |
| Do some outdoor activities every day. | ●You can get your eyes relaxed. ●More sunshine is good for the eyes. |
|
【考點】說明文；衛(wèi)生與健康．
【答案】number；Reasons；either；or；less；three times
【解答】
【點評】
聲明：本試題解析著作權(quán)屬菁優(yōu)網(wǎng)所有，未經(jīng)書面同意，不得復(fù)制發(fā)布。
發(fā)布：2024/10/24 10:0:2組卷：9引用：1難度：0.5
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