17. Attending every lecture. Reading very extensively.

　　Doing lots of homework. Using test-taking strategies.

　　17. M: Im really surprised you got an A on the test. You didnt seem to have done a lot of reading.

　　W: Now you know why I never missed a lecture.

　　Q: What contributes to the womans high score?

　　【答案】A

　　【解析】该题各选项都是某人努力学习的各种方法。各选项意思不重叠，听音时要注意关键信息的识别。对话中男士对女士在考试中得了一个A表示奇怪，因为女士看起来也没读很多书。女士回答说Now you know why I never missed a lecture。由此我们可以推理，女士是因为坚持上每一节课而取得好成绩的。故答案为A。