Everyone wants to have good eyesight, and in many kinds of work it is very important to have good eyesight. The men who drive bu

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问题    Everyone wants to have good eyesight, and in many kinds of work it is very important to have good eyesight. The men who drive buses and  (11)  their planes must have excellent eyesight. People who make cameras and radios must  (12)   see very well. too. Many young children spoil their eyesight by reading in badly-lit places.
     (13)  and sleep are important for good eyesight: ff you eat the wrong kinds of food or you de not have  (14)  , you will not have good eyesight, If your eyesight is not good, however, you should see an optician. An optician is a person who can test your eyesight and make  (15)  Some girls would rather try to see without glasses than wear glasses. But it is very foolish to spoil your eyes in this way.

  
Everyone wants to have good eyesight, and in many kinds of work it is very important to have good eyesight. The men who drive buses and pilots their planes must have excellent eyesight. People who make cameras and radios must be able to see very’ well, too. Many young children spoil their eyesight by reading in badly-lit places.
   Food and sleep are important for good eyesight: If you eat the wrong kinds of food or you do not have enough sleep, you will not have good eyesight.  If your eyesight is not good, however, you should see an optician. An optician is a person who can test your eyesight and make glasses. Some girls would rather try to see without glasses than wear glasses. But it is very foolish to spoil your eyes in this way.

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答案enough sleep

解析 该句与前面一句对应。前面的答案选对了,就会帮助我们选对该答案。该句前面的分句说明吃东西对视力的重要,后面就是说明睡眠的重要了。结合听到的读音和句子的意思,不难判断出答案来。
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