题干
----Are you familiar ____________ the customs here?
----No, the place is unfamiliar ___________ me.
----No, the place is unfamiliar ___________ me.
A： with; with
B： with; to
C： to; to
D： to ; with
答案(点此获取答案解析）
B
nC(g)＋2D(g) 5 s后反应达到平衡状态，生成2 mol D，经测定以C表示的平均反应速率为0.1 mol·L－1·s－1。则下列结论中正确的是