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题目内容 (请给出正确答案)
单选题
All the following causes can lead to bad eyesight except _____.
A

age

B

height

C

reading

D

computers


参考答案

参考解析
解析:
阅读全文可知年龄、读书、电脑,都可能引起视力的变化,体重与视力无关。故不是引起视力变坏的原因。故选B项。
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