1 他的 视力 / 听力 怎么样?
How is his sight / hearing
2 他的视力 好吗 ? / 差吗?
Is his sight good? / bad?
3 他的 听力和视力 都很好 / 都很差
His both of sight and hearing are good / are bad.
4 他的 听力很好,但视力比较差
His hearing is very good but sight is a little poor.
5 由于长时间 用电脑 / 看电视 ,他的视力非常差
Because of long period using the computer / watching TV, his sight is rather poor (bad).
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若不明白请继续问,如满意敬请采纳,O(∩_∩)O谢谢你.