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    1 .( 2015 青海中考) Playing computer games too often       our eyes.

       A. is helpful to   B. is harmful to   C. is good for

    1.B

    句意:玩电脑游戏太频繁对我们的眼睛有害。is helpful to 对 有帮助；is harmful to 对 有害；is good for对……有益。根据句意可知答案为B。

    题目来源：2016年5年中考3年模拟初中英语七年级下册沪教牛津版 > Period 1 Getting ready & Reading

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