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答题结果:0/6
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Question 1 of 6
What is the main purpose of the lecture?

A.

To explain why scientists disagree about the age of the Moon

B.

To present arguments in favor of another Moon landing

C.

To explain how scientists discovered a crater on the far side of the Moon

D.

To review some finding of a recent mission to the Moon

我的答案:

正确答案:B

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