17.
M: Congratulations! I heard that your debating team has reached the final. What an achievement! You must have spent a lot of efforts on it. I am so proud of you guys!
W: Thank you! And now we are all working still harder to prepare for the final.
Q: What can we learn from the conversation?
正确答案：D
解析：男士听说女士的辩论队获得了决赛权，女士说辩论队正在努力准备决赛，故选D。

18.
W: My goodness! Look at the wind today. I wish I'd taken an extra coat with me.
M: Well, don't worry. I'll get you an extra one. I just realized that I forgot to shut off the stove at home and the soup is still cooking.
Q: What is the man probably going to do first?
正确答案：C
解析：女士说今天的风很大，真希望自己多带了一件外套，男士说他可以给她带一件外套，因为他意识到家里的炉子没有关，汤还在炉子上煮着，即男士认为要先回家（关炉子），故选C。