A：用如图装置电解精炼镁
B：用如图装置验证试管中铁丝发生析氢腐蚀
C：如图装置中Mg作负极，Al作正极
D：用如图装置对二次电池进行充电
The Greens ________live in the south of Asia . They don't want to move to the north because they ________ the cold weather.
当你看到想要告诉别人鱼儿生活在水里时，应该说：( )
