英语六级

单选题

A．They noticed an apparent change in the position of the North Star.
B．They observed eclipses at different times of the year.
C．They were the first to estimate the distance between heavenly bodies.
D．They wanted to prove that the Earth was fiat.

参考答案：A进入在线模考
 What does the professor say about ancient Greeks who traveled south?
细节题。根据The second argument was based on what the Greeks saw during their travels．They noticed  that the North Star appeared lower in the sky when they traveled south可知，正确答案为A。

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2

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3

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