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  3. What scientists Johan Feenstra and Rob Hayes did was that Guofu Zhou would probably agree that

What scientists Johan Feenstra and Rob Hayes did was that Guofu Zhou would probably agree that

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问题 What scientists Johan Feenstra and Rob Hayes did was that
Guofu Zhou would probably agree that
选项 A、adding a color filter will be a simple solution.
B、colored ink remains a tough problem.
C、e-paper will be adopted both in the office and at home.
D、the obstacle now is the user-unfriendly screens.
答案C
解析 推理判断题。由题干中的Guofu Zhou定位至第四段第二句，指出周国富认为装有彩色墨水的阅读器在七年之内会投放市场。接着提到：他现在致力于研究能够显示16级或更多灰色色级的电子纸，它将被用在医学成像上或者做家庭黑白摄影照片的像纸。可见Guofu Zhou认为电子纸张可以办公用，也可以家用。该段第二句提到：一个选择是增加简单的色彩过滤器，但那会阻挡三分之二的光,可见这不是一个好的解决方案；第三句中的colored ink can be ready for the market within seven years与"彩色墨水存在大问题"矛盾，排除。"the obstacle now is the user-unfriendly screens"为第三段第二句的细节，该内容与周国富的观点无关。
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