影响退休养老成本的因素的有（）。 A.通货膨胀 B.客户个人储蓄投资 C.退休前后的

根据短文内容，用方框中所给单词的适当形式填空，每词限用一次，每空只写一词。

grass     clear     do      for     be

Everyone knows that eyes are one of the most important parts of our body. Having good eyesight means we can not only see things【小题1】 , but also enjoy some beautiful scenes. There is also a saying going that eyes are the window of our mind. But how can we protect our eyes?
Here【小题2】  some tips for you. First, it is a good habit not to read your books or newspapers【小题3】  a long time because our eyes need rest, too. Second don’t read books in a strong or poor light, otherwise, the light would harm our eyes. At last, remember to keep【小题4】  eye-exercises and watch more green【小题5】and other plants.