Why does the professor say this
A. The students are supposed to know something about the answer.
B. She is preparing to review something from the previous lesson.
C. There is no need to discuss this topic at the moment.
D. She wants to finish the lecture as soon as possible.
参考答案:A
解析: 本题为语用理解题,考查考生对听力材料中语言的功能与作用的理解,如说话者的目的、态度等。题目问:教授为什么要这么说 也就是教授为什么说下面这一段话:“Come on,we’ve talked a little bit about this before. ”此题可用排除法来做,首先选项C、D均可以排除掉,因为讲座自始至终都在讲爵士乐这个话题,所以教授说这句话的意思并没有不谈此话题之意。至于选项B,教授所说“We’ve talked a little bit about this before”中的before并不一定就指上一课,所以可排除选项B,因而选项A为正确答案。