题目内容
听力原文：M: Why？ Mary, you are sweating heavily. Where have you been？
W: I've just been to Fitness Center to learn Hip-Hop dance.
M: What is Hip-Hop dance？
W: It is a newly emerged way of keeping fit. It was introduced into China in 1999.
M: As I know, there are different kinds of aerobics, Latin dance, yoga and so on. Why do you choose Hip-hop？
W: Of all the kinds of body-shaping exercises I tried, I found that this class is the most interesting. I've enjoyed it a lot in gym room.
M: Would you please tell me more about it？
W: Sure, Hip-Hop dance is using its music, its basic movements, and also its freedom for self-expression.
M: It sounds like an aerobics class.
W: Not exactly. The participants and the instructor are dressed in their ordinary casual wear. Moreover, the music they use is not the dancing music that an aerobics class usually uses.
M: Is that the main difference from normal aerobics？
W: No, Hip-Hop dance is a lot more tiring. Even though I'm exhausted, I enjoy it.
M: Does it mean you feel like being tired out？
W: Ha, no. I think it is a good way to relax. And it is too challenging for me to follow the instructor through the motions, but I will continue to learn it.
M: Is there any age or skill level limit for entering？
W: No. In our class, the youngest student is 15 and the oldest is 50. And everyone can choose whatever difficulty level he or she wants to.
M: Sounds interesting. I'll go there with you next time.
W: OK. But one thing you should remember is to dress comfortably. For the physical parts, drink as much water as you can.
M: I'll do.
(23)
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听力原文：Students occasionally fail this course.
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