17.
W: Open wide. Now show me where it hurts.
M: Here on the bottom, especially when I bite something cold or hot. I couldn't enjoy ice-cream and hot soup any more. It's a real torture.
Q: What is the most probable relationship between the two speakers?
正確答案：D
解析：關(guān)鍵是抓聽到能表明雙方身份的信息，“張大嘴，讓我看看哪里痛”和“吃到?jīng)龅幕蚴菬岬臇|西時”，可知D正確。

18.
M: Professor Smith certainly has a good reputation in the Department of English.
W: A well-deserved one. The same students who fall asleep in discussions and seminars fight for front-row seats in his lectures.
Q: What can we learn from the conversation?
正確答案：C
解析：well-deserved意為“名副其實”；另外關(guān)鍵是聽懂女士話中的fight for front-row seats in his lectures“爭搶前排的座位”，正確選項C中的well attended“出勤率很高”所表達的正是這個意思。