問題詳情
【題組】47.In what situation can we see the moon turn “blue”？
(A) If the weather is clear, and there isn't too much dust in thesky.
(B)It almost never happens.
(C)Maybe after a volcano erupted, and the eruption filled the airwith much dust and smoke.
(D)A full moon will turn blue on Halloween.
參考答案
答案：C
難度：計算中-1
書單：沒有書單，新增
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