【正确答案】 B

【答案解析】[听力原文] M: Hi. Mary. How are you? W: Fine, thanks. How are things going? With the presentation, I mean? M: Not too bad, actually. I found that survey you sent me really useful. W: The one about young people and mobile phones? M: Yes. They show how incredibly important mobile phones are to young people. For example, did you know that 75 percent of teenagers use their phones at least once a day? W: 75 percent! That's quite a lot. M: But actually texting is an even bigger thing with young people nowadays. About 90 percent of them send at least one text massage a day. And if you look at the UK as a whole, people are sending over 2 billion text messages a month. What's so amazing is that they've gone from zero to 2 billion in such a short time. W: That's an amazing increase. You know, we could design a graph to show that. M: Great idea! By the way, what do you think the peak time for sending text messages is? W: I don't know. Seven thirty? Eight o'clock at night? M: Well, it is at night but apparently it's between ten thirty and eleven. W: That's quite late. I'm surprised. M: What you have to remember about mobiles is that they're part of young people's self-expression part of their identity. The most popular place you carry your phone is in your pocket. And the last place you should keep your phone is on your belt. That's a really big fashion mistake. For most of the teenagers in the survey anyway. Now, you were going to talk about the different functions of mobile phones, Mary, weren't you? Which functions did you decide to cover? W: Well, the most popular, obviously, is text messaging. But you seem to have a lot of information on that already. So I will leave that to you, if that's OK. M: Fine, so you won't cover text messaging but...? W: I think video is still a pretty specialized thing at the moment. Not that many phones have it yet. So I'm not covering that. But the other thing I'm going to look at is voicemail. It's not quite as popular with teenagers as the other functions but about two thirds still use it. M: OK. Let's talk about it next week. 对话中男士提到“…75 percent of teenagers use their phones at least once a day”，可知75%(即3/4)的青年人至少一天使用一次手机，因此B图所显示比例正确。

【正确答案】 C

【答案解析】根据对话中男士提到的“And if you look at the UK as a whole, people are sending over 2 billion text messages a month”，可知所有英国人一个月发的短信超过20亿条。故C项正确。

【正确答案】 A

【答案解析】对话中男士问女士是否知道发短信的高峰时间，女士猜了两个时间点，随后男士予以纠正，指出“...it is at night but apparently it's between ten thirty and eleven”，即发短信的高峰时间为晚上10点半到11点。因此A项正确。

【正确答案】 A

【答案解析】男士指出手机是年轻人个性自我表现的一部分，并提到“And the last place you should keep your phone is on your belt. That's a really big fashion mistake”，可知大多数英国年轻人都不会把手机放在腰问的。

【正确答案】 B

【答案解析】对话最后男士问及女士想研究手机哪方面的功能，女士回答说关于手机最普遍的功能就是发短信，由于男士已收集了很多这方面的信息，所以女士决定“the other thing I'm going to look at is voicemail”，并提到语音信箱的功能虽不及手机其他功能那么受年轻人欢迎，但仍有2/3的人在使用。由此可见只有B项不属于对话内容。