【正确答案】 D

【答案解析】[听力原文]
M: Hi, Janet. You are so lucky to be done with your final exams and term papers.
W: I still have 2 more final exams to take.
M: Really?
W: Yeah. What are you doing this summer? Anything special?
M: Well, actually yeah. My parents have always liked taking my sister and me to different places in the United States, you know, places with historical significance.
W: I guess they wanted to reinforce the stuff you learned in school about history.
M: Maybe. And so even though we are older now, they still do it once in a while.
W: Oh so where are you going this summer?
M: Well, this summer it's finally going to be Gettysburg.
W: Finally? You mean they never took you yet? I mean Gettysburg. It's probably the most famous Civil War site in the country, and it's only a couple of hours away. I think that would be one of the first places that they've taken you to. I have been there a couple of times.
M: We were going to go about ten, well, no, it was exactly ten years ago, but something happened. I cannot remember what.
W: Something changed your plans?
M: Yeah, don't ask me what it was, but we ended up not going anywhere that year. I hope that doesn't happen again this year.

Q: What are the students mainly discussing?

[解析] 主旨题。女士问男士今年夏天有什么打算，男士对此进行了回答，而接下来的对话也都是围绕男士的假期计划展开的，帮选D。

【正确答案】 A

【答案解析】[听力原文]
Q: What does the woman find surprising about the man?

[解析] 综合理解题。在男士说自己今年会去盖茨堡之后，女士对男士没去过盖茨堡表示质疑，还说那是美国内战中最著名的地方，而且离这里也不远，她以为男士的父母很早以前就带他去过。由此推断，女士对男士没去过盖茨堡表示吃惊，故选A。

【正确答案】 B

【答案解析】[听力原文]
Q: What is the man unable to remember?

[解析] 信息明示题。男士说十年前发生了一些事情，所以他们取消了去盖茨堡的计划，但自己不记得是什么事了，故选B。
[考点] (every)once in a while意为“偶尔”，与其同义的短语还有：(every)now and then，now and again等。