Thereareseveralcausesleadingtopooreyesightlikeillness,a...

問題詳情：

There are several causes leading to poor eyesight like illness, aging (老化) and poor reading   61  (habit). Televisions, computers and reading are also the causes of having poor eyesight. If you happen to work in front of the computer,   62   is good to take a break every once in a while. Dirty things can make your eyes uncomfortable. If they drop into your eyes, the best way is to clean your eyes   63   using cold water. You must also do all you can   64  (protect) your eyes from harmful things. For example, wearing sunglasses is not just for fashion   65   it can also serve as a great way to protect your eyesight from strong sunshine.

Eating healthy foods will do good to your eyesight, too. Try to eat food groups   66   contain vitamins A, C and E. And you should do eye exercises because they can protect your eyesight, too. If you exercise   67  (regular) and eat the right kinds of food, your eyes   68  (stay) in good condition for a long time.

All above are natural ways of eye care that help us keep healthy eyes.   69  (be) happy all the time can be helpful to your eyesight, too. In a word, eye care is very important, no matter   70   old you are.

【回答】

61. habits   62. it   63. by   64. to protect  65. but   66. that/which   

67. regularly    68. will stay    69. Being    70. how

知識點：語法填空

題型：未分類