题干
“Every time you eat a sweet, drink green tea.” This is _____my mother used to tell me.
A：what
B：how
C：that
D：whether
答案(点此获取答案解析）
A
bB(g)达平衡后，保持温度不变，将容器体积增加一倍，当达到新的平衡时，B的浓度是原来的60%，则下列说法不正确的是( )。