Water usually freezes when temperature is _____ zero and ice changes into water again when the tempA.below; aboveB.under; overC.above; belowD.below; over
问题描述：
Water usually freezes when temperature is _____ zero and ice changes into water again when the temp
A.below; above
B.under; over
C.above; below
D.below; over
答
应该选（A）吧,它说气温在零摄氏度以下水结冰,在零摄氏度以上又变为水. 等你知道答案后告诉我对不对