题目

--Mr. Smith, you are arrested for stealing. Please sign here.     --Arrested? Stealing? ________     A. Are you all right?            B. You can't be serious!     C. I'm a foreigner.              D. It doesn't matter. 答案：B下列条件的改变一定会使平衡发生移动的是A．加催化剂 B．增大压强 C．升高温度 D．增加反应物的质量