题目内容
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[主观题]
According to the passage which of the following is true? [A] A fixed star refers a
According to the passage which of the following is true?
[A] A fixed star refers a star that is always stationary on the sky.
[B] Scientists can tell the motion of the earth from the motions of other five planets.
[C] Ancient people had scanty knowledge about the movement of the stars.
[D] All the stars on the sky can be seen all the year around.
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