下列现象是由于地球自转产生的是（） A.四季的变化 B

下列现象是由于地球自转产生的是（）

　A.四季的变化　　

B.昼夜更替

　C.太阳升落时间的早晚

　D.正午时刻物体影子长短的变化

答案

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下列现象是由于地球自转产生的是（ ） A.四季的变化 B

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下列现象是由于地球自转产生的是（） A.四季的变化 B