题干
--- Do you know where the manager lives?
---- Yeah, but I have to _____________ the telephone book for his address.
A：search
B：consult
C：request
D：examine
答案(点此获取答案解析）
B
，则
（ ）
2Z(g);正反应放热。从反应开始经过t1后达到平衡状态,t2时由于条件改变,平衡受到破坏,在t3时又达到平衡,据下图回答:从t2→t3的曲线变化是由哪种条件引起的（ ）
