The water gives up energy and becomes cooler____________the ice receives energy and melts.A. whileB. for选哪个?为什么?谢谢!

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Thewatergivesupenergyandbecomescooler____________theicereceivesenergyandmelts.A.whileB.for选哪个?为什么?谢谢

The water gives up energy and becomes cooler____________the ice receives energy and melts.A. whileB. for选哪个?为什么?谢谢!
The water gives up energy and becomes cooler____________the ice receives energy and melts.
A. while
B. for
选哪个?为什么?
谢谢!

The water gives up energy and becomes cooler____________the ice receives energy and melts.A. whileB. for选哪个?为什么?谢谢!
A. while
表示对比.
水放出能量,变得冷却下来;

冰获得能量,进而融化.