题干
Taste these pears. How ? -- They're sweet.
A：is it
B：are they
C：are you
答案(点此获取答案解析）
B
Taste these pears. How ? -- They're sweet.
A：is it
B：are they
C：are you
nB(g)＋pC(s) ΔH＝Q，温度和压强的变化对正、逆反应速率的影响分别符合下图中的两个图象，以下叙述正确的是( )
