【答案解析】[听力原文]
W: Why, you're back so early! It's just 10:30.
M: I just could not focus on the books. I was so sleepy in the class because last night the noise from the construction site near our house kept me awake till midnight.
Q: Why did the man come back so early?
[听前预测] 选项中的He, under construction, noise, studying等表明，对话可能与施工噪音对男士的学习产生的影响有关，男士所说的话为听音重点。
[解析] 对话中男士提到，I just could not focus on the books. I was so sleepy…last night the noise…kept me awake.(我集中不了精力看书。我很困…昨晚施工地点的噪音…害得我没睡着…)，即男士因为疲倦而学习没有效率，故答案为[C]。
【正确答案】
B
【答案解析】[听力原文]
M: Do you think you can lend me that novel when you are finished with it? I've been looking all over for a copy, but apparently it sold out at all the bookstores.
W: Oh, it's not mine. It belongs to Alice. But I'll see what she says.
Q: What will the woman probably do?
[听前预测] 选项均以原形动词开头表明，对话可能考查建议或将来的动作。Lend, the novel等表明，对话可能与借某人的小说有关。
[解析] 对话中女士提到，It belongs to Alice. But I'll see what she says(这是Alice的书。我要先问问她，看她怎么说)，即女士要征求Alice的同意，看看是否借书给男士，故答案为[B]。
【正确答案】
A
【答案解析】[听力原文]
W: Hi, long time no see. Where have yon been all these days?
M: I was on a business trip with my colleagues to the south and it was terribly hot there. I got sun-tanned within 7 days. When I came home, my mother couldn't even recognize me.
Q: What do we learn about the man?
[听前预测] 选项中的He, darker skin, sun-tanned等表明，对话可能与男士的变化有关。
[解析] 对话中男士提到，I got sun-tanned within 7 days(我七天之内就晒黑了)，即男士现在肤色更黑了，故答案为[A]。听清男士去南方是on a business trip(出公差)即可排除[B]。