Official 29 Lec 4
答题结果:0/6
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Question 5 of 6
Why does the professor mention the writer Arthur C.Clarke?

A.

To use a comment made by Clarke as a way of answering a student's question

B.

To familiarize students with Clarke’s ideas on space engineering

C.

To cite a prominent opponent of the idea of space elevators

D.

To point out that Clarke wrote about carbon nanotube technology long before it became a reality

我的答案:

正确答案:A

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