题干
It is none of your business _______ other people think about you.Believe yourself.
A：how
B：what
C：which
D：whe
答案(点此获取答案解析）
B
2C（气）+。X D（气）经5min达到平衡，此时生成C为2mol，测定D的平均反应速率为0.1mol/L•min，下列说法中错误的是 （ ）
