单项选择题


In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Mark the correct answer to each question on your coloured answer sheet.
Questions 1 to 5 are based on an interview with Mr. Cobble. At the end of the interview you will be given 10 seconds to answer each of the following five questions.
Now listen to the interview.

This interview mainly talks about ______.

A.eliminating all excessive and unnecessary noise
B.where industrial noise comes from
C.how to protect yourselves from being hurt by noise
D.how to complain when you suffer traffic noise