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What scientists Johan Feenstra and Rob Hayes did was that______.
A.they made an electronic newspaper
B.they created a piece of videoscreen-like paper
C.they made a tiny piece of primitive e-paper
D.they invented the electrowetting technology

A.
A.they
B.they
C.they
D.they

【参考答案】

C
细节题。由题干中的JohanFeenstraandRobHayes定位至首段第二句,该句指出:两位科学家认为他们已经搞清楚一个被称为电润湿的过程是如何造纸的,这种纸具备视屏屏幕所有的功能。下一句做出进一步说明:到目前为止,他们的研究成果是一张薄薄的电子纸,一平方厘米,只有225个像素。[......

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