题干
— Which do you prefer, tea or coffee?
— __________is OK. I don't care.
A：Either
B：Neither
C：Both
D：All
答案(点此获取答案解析）
A
— Which do you prefer, tea or coffee?
— __________is OK. I don't care.
A：Either
B：Neither
C：Both
D：All
2C(g)，若经2s后测得C的浓度为0.6 mol·L－1，现有下列几种说法，正确的是（ ）