From the first paragraph of the passage, we can learn that an electronic display ______. How many institutes or organizations a

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问题 From the first paragraph of the passage, we can learn that an electronic display ______.
How many institutes or organizations are involved in the paper published in the Proceedings of the National Academy of Sciences?

选项 A、2.
B、3.
C、4.
D、5.

答案A

解析 本题是细节题,参见文章第2段:The process described by John Rogers and his colleagues from Bell Laboratories,an arm of Lucent Technologies,in New Jersey,and E Ink Corporation,in Cambridge,Massachusetts…这句话里面很多专有名词,但涉及的单位就只有两个,一个是美国新泽西州的朗讯科技公司贝尔实验室,另一个是麻省剑桥的E Ink公司。
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