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单选题
如果温度有可能降到-20摄氏度，拆下电瓶。
A
When it is unlikely that the temperature decreases to -20 ℃, remove the batteries.
B
If it is possible that the temperature will decrease to -20 ℃, remove the batteries.
C
If it is possible that the temperature will decrease to -20 ℃, cut the cells.
答案解析
正确答案：B
