题目内容
据报道,我国学生近视率居世界第一。造成这一现象的原因是多方面的, 请你以 "Why are more and more children getting short-sighted?" 为题, 写一篇英语短文。
内容主要包括：
1. 造成学生近视的原因；
2. 如何保护视力？
注意: 1.词数150左右；
2.可以适当增加细节, 以使行文连贯；
3.短文的开头已经写好, 不计入总词数。
参考词汇: 近视率 rate of myopia
One possible version：
Why are more and more children getting short-sighted?
It is reported that the rate of myopia of Chinese students is ranked as the highest in the world.
The causes of myopia are complicated. Firstly, too much homework leads to the lack of time for exercise and a good sleep. Long time of studying makes it difficult to refresh eyesight. Secondly, medical research shows genetic factors also contribute to poor eyesight. In addition, many students don’t form good eye care habits. For example, when reading, some students hold books too close to their eyes.
Realizing the reasons of this result, it’s time for us to take measures to protect eyesight. I think the most important is to encourage students to engage in more outdoor activities and create a vision-friendly studying environment.
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