分析高中生近视原因．英语作文

We all know eyes are very important for us all. More and more students are suffering from shortsightedness, They don' t know how to prevent shortsightedness.

We must sit straight when we are reading, neither too near to the desk nor too far. Don't read in bed.
Look out of the window very often when we write or read. Don't read in the sun.
Do eye exercises every day. Don't read or write for a long time.
If we do so, our eyes will be healthy.

自己改动一下就行了

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