专四专八考试

【单选题】What does the professor say about ancient Greeks who traveled south
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 theEarth was flat.

网考网参考答案：A
网考网解析：
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