【正确答案】 B

【答案解析】[听力原文] M: I am tired of working and need a change. So I'm just making plans to go away during Spring Festival. W: Really? Where are you going? M: I'm planning to visit Tibet. W: My brother and I had a vacation there last year and we had a great time. M: Did you get into Lhasa? W: Sure. That's the first stop. No one should miss Lhasa. M: Is the Potala Palace magnificent? W: You bet. And don't forget the Barkhor Street. That place is full of treasures, I mean, all the exotic paintings and handicrafts, and the hand-made jewelry. M: Well, as there is so much there waiting for me, I guess I should stay longer. W: Definitely. M: I heard that the weather there is great. W: Well, that depends on how you define 'great.' No humidity, but it could be extremely cold in winter. Besides, you need to be careful about high altitude. M: What should I do about that? W: Oh, just take it easy for a few days. Don't exercise too vigorously. Just do everything gradually. M: I'm sure I will be fine. And I will let you know all about my trip when I come back. What's the main purpose of the man's trip? 选项均以“To+原形动词”开头，这表明本题考查行为目的。对话开头男士抱怨自己对现在的工作非常烦，想改变一下，决定去西藏旅游，所以他去西藏的主要目的是放松一下，故答案选B。

【正确答案】 D

【答案解析】[听力原文] Why does the woman know so much about Tibet? 选项均为以Because开头的句子，这表明本题考查因果关系。对话一开始男士说他自己要去西藏旅游，接着女士回答说My brother and I had a vacation there last year...，即女士已经去过西藏了，所以对西藏比较了解，故答案为D。

【正确答案】 D

【答案解析】[听力原文] What can be inferred about the weather in Tibet during Spring Festival? 选项均为天气形容词，这表明本题考查西藏的气候状况。由对话中提到No humidity和cold in winter可推断，在春节期间(冬季)西藏的气候应该是寒冷而干燥，故答案为D。

【正确答案】 A

【答案解析】[听力原文] According to the woman, what may cause the man the most problems in Tibet? 本题考查男士在西藏最应该注意的事。对话中提到you do need to be careful about high altitude，注意女士用了强调语气，所以高原反应是男士最应注意的问题，故答案为A。