实验室用氯酸钾和二氧化锰制取氧气,有关该实验的说法错误的是( )
A:二氧化锰是催化剂
B:与高锰酸钾制取氧气装置相同
C:可用向下排空气法收集
D:可用带火星的木条检验氧气
请填写下列空白:
Nobody can be successful in everything in life. In other words, you might fail ________ others succeed or the other way around.