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pilots

解析 该题可以通过词组的对应来判断。但首先要对句子结构有所了解。该句空格后面有句子成分被省略,增加了一点难度,但不影响理解。句中and是关键词,它连接两个并列成分。前面是“开公共汽车的人”,后面应该是“开飞机的驾驶员”,pilot 是专用于船舰或飞机的驾驶员之义的。空格后面是their说明空格中的词是复数。
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