问题
单项选择题
Questions 24-30
·Look at the questions for this part.
·You will hear a passage about some types of advertising.
·For questions 24-30, indicate which of the alternatives A, B, or C is the most appropriate response.
·Mark one letter A, B or C on the Answer Sheet.
What is the main idea of this passage
A．the major types of media used in advertising
B．the major type of media used in advertising
C．television, newspaper and Internet ads
答案
参考答案：A
解析： 文章开头，提到some types of advertising比如television，newspapers．radio，Internet等。B只提到一个媒体，不全面。C漏掉了无线电这个媒体。