阅读填空 根据下面短文内容，在短文的空格处填上一个恰当的词．使短文完整、通顺。
Our eyes are very important to us. They are like cameras. We can see beautiful things and colors around us.
小题1: our eyes. But if we don't take care of them, they may
hurt.  小题2:  do we protect our eyes?
On sunny days, the sun shines brightly. So we'd better
   小题3:  our sunglasses. When we read, we shouldn't stay
too close to our books and the light shouldn't be too bright  小题4:  too dark. We mustn't read in bed. It’s  小题5:  for our eyes. We mustn't rub our eyes with dirty hands or play games on computer too long.