2. 外语
  3. A. our parents B. clouded vision C. eye muscles D. our eyes E. computer use F. eye move We used to believe that near- or far-si

A. our parents B. clouded vision C. eye muscles D. our eyes E. computer use F. eye move We used to believe that near- or far-si

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问题 A. our parents
B. clouded vision
C. eye muscles
D. our eyes
E. computer use
F. eye move
We used to believe that near- or far-sightedness were inherited from______
选项
答案A
解析 由文章第四段可知，传统上，我们认为近视和远视是由遗传因素引起的，故选A，．
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