单项选择题 A．People might put sugar in the salt container to fool others.B．People might change the time of other's alarm clock.C．People might tell a lie to give others a shock.D．Media might make false news to fool the public.

单项选择题 听力原文：W: The bell's ringing. The curtain will go up in three minutes for the next act. We'd better drink up and get back to our seats right now.M: Yeah, nobody likes being disturbed after the show has started.Q: Where does the conversation most probably take place?(13)A．In a theater.B．In a clinic.C．At a bank.D．In a plane.

多项选择题 决定测试存货所费时间多少的最重要的因素有（）。