单项选择题
[听力原文] W: Hi, Mr. Johnson. What is the purpose of your visit to England M: I’m going for a conference.
A．Visiting an exhibition. B．Traveling as a tourist. C．Attending a meeting. D．Doing a business.
A．if there had been the warning system along the coast B．if the earthquake had happened off the coast of Thailand C．if the tsunami had happened in the daytime D．if the tsunami had happened in the deep ocean
A．In the hotel. B．In the garden. C．On the phone. D．In Mr. Smith’s room.