单项选择题

In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow.

What is the conversation mainly about().

A. A new fuel for buses.
B. The causes of air pollution.
C. A way to improve fuel efficiency in buses,
D. Careers in environmental engineering.

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单项选择题
The speaker suggests encouraging others to talk about themselves because()

A. it’s a good way to know each other.
B. it is a means of showing respect.
C. people are passive listeners.
D. people care more about themselves.
单项选择题
By citing the remarks of Diogenes, the speaker wants to say that().

A. we need to learn the skills of talking.
B. listening is easier than talking.
C. it is important to be an attentive listener.
D. we should talk less and do more.
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