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  3. From the first paragraph of the passage, we can learn that an electronic display ______. Silicon is not used for genuine electr

From the first paragraph of the passage, we can learn that an electronic display ______. Silicon is not used for genuine electr

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问题 From the first paragraph of the passage, we can learn that an electronic display ______.
Silicon is not used for genuine electronic paper because ______.
选项 A、it is used in the semiconductor in the transistors
B、it is all right for applications such as posters
C、it is brittle and costly
D、cheap and flexible electronic components are needed
答案C
解析 本题是细节题，参见文章第3段最后一句：It is too fragile and too expensive，though，for genuine electronic paper．这句话的大意是：对于真正的电子纸张来说，它太脆、太贵而不适用。
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考研英语一

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