单项选择题

In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow.
What is the audience listening to

A. A radio broadcast.
B. A political discussion.
C. A sales promotion.
D. A health documentary.

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单项选择题

In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow. What is the audience listening to 您的浏览器不支持 audio 元素。