B:放电时溶液中的阳离子向锌片移动
D:该电池的负极材料是锌片
C:电池正极发生氧化反应
A:铜电极上的反应为Cu-2e-==Cu2+
①公车上书拉开了序幕 ②变法从开到失败历时103天
③谭嗣同在变法中遇害 ④变法使中国走上资本主义发展道路
下列说法中正确的是( )
What time are they going to Hubei Museum this Saturday?
①When is New Year's Day?
____
②Mother's Day is in May.
③We have a sports meet.
④We have a maths test in April.