题干
— is that box?
— It's white.
A：What
B：How much
C：Where
D：What color
答案(点此获取答案解析）
D
— is that box?
— It's white.
A：What
B：How much
C：Where
D：What color
2Z(g)反应影响的示意图。图中横坐标表示温度，纵坐标表示平衡混合气体中Y的体积分数。下列叙述正确的是( )