9. (A). The student asked about insulation.

　　(B). The student insulted the author.

　　(C). The author walked by the student.

　　(D). The author is going bald.

　　10.(A). Shall we have lunch there again sometime?

　　(B). Do we have to finish our lunch so fast?

　　(C). We won’t have lunch until we finish.

　　(D). We should have enough time to have lunch.

　　答案与音频文本：

　　BD

　　9. The famous author was insulted by the student’s bold question.

　　10. We’ll have time to stop for lunch, won’t we?