听力题Where are the speakers?

听力题听第10段材料，回答第17至20题

听力题听第6段材料，回答第6、7题

听力题What does the woman say about John?

听力题What does the woman want to do for vacation?

听力题What is the woman going to do?

听力题听第7段材料，回答第8至10题

听力题What does the man want to do?

听力题Why does the man need a map?

听力题What will the woman probably do next?

听力题听第8段材料，回答第11至13题

听力题What does the woman ask for?

听力题听第9段材料，回答第14至16题

听力题What will the speakers probably do next?

单选题{{B}}Text 2{{/B}} American society is not nap-friendly (喜欢午睡). "In fact", says David Dinges, a sleep specialist in U.S.A. "There's even a prohibition (禁止) against admitting we need sleep. Nobody wants to be caught napping or found asleep at work." Wrong. The way not to fall asleep at work is to take naps when you need them. "We have to totally change our attitude toward napping," says Dr. William Dement of Stanford University, the godfather of sleep research. At present, experts and researchers are becoming more and more concerned about the dangers of sleepiness (睡眠不足): people causing industrial accidents or falling asleep while driving. This may be why we have a new sleep policy in the White House. According to recent reports, president Bush is trying to take a half-hour nap every afternoon. About 60 percent of American adults nap when given the opportunity. Actually, sleeping 15 minutes to two hours in the early afternoon can reduce stress and make us refreshed (神清气爽的). Clearly, we were born to nap.