题干
—I don't think keeping pet dogs is a good idea. Dogs create a lot of trouble.
— . In my opinion, it can help you become a person full of love.
A：You are right
B：Not really
C：That's a good idea
D：Believe or not
答案(点此获取答案解析）
B
3C(g)+D(g),当加入4 mol A和2 molB达化学平衡时,C的物质的量浓度为m mol·L-1,若维持温度不变, 按下列四种配比为起始物质, 达到化学平衡后,C仍为m mol·L-1的是
