单选题：Which of the following is NOT meant in the last two paragrap

题目分类：理工类
题目类型：单选题
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题目内容：

Which of the following is NOT meant in the last two paragraphs? A．Graphene is made of graphite, one of the softest materials in the world.
B．Graphite is made of layers of graphene, the thinnest material in the world.
C．When we get to the thinnest possible layer of graphite, we find graphene.
D．With a pencil, a sheet of paper and a piece of adhesive tape, we can find graphene.

参考答案：

答案解析：

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分类：理工类题型：单选题

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分类：理工类题型：单选题