1 . 听下面一段独白，回答以下小题。
1. What is Caroline Smith?

A．A zoo specialist.

B．A social worker.

C．A TV reporter.

2. What does Caroline talk about in the Kyrie Belle Show?

A．Recently extinct wildlife.

B．Latest campaigning activities.

C．Common misunderstandings of animals.

3. What does a monkey's ear-to-ear smile suggest?

A．They are quite shy.

B．They feel at risk.

C．They are impatient.

4. Why does the speaker deliver the speech?

A．To advertise a national zoo.

B．To present a charity show.

C．To introduce a preservationist.

3 . 听下面一段较长对话，回答以下小题。
1. How long did Roger Federer’s professional career last?

A．14 years.

B．17 years.

C．24 years.

2. What happened to Federer in the 2017 Australian Open?

A．He got a sudden knee injury.

B．He had a hard-fought victory.

C．He faced a series of losses.

3. Which of the following best describes Federer?

A．Determined.

B．Kind-hearted

C．Humorous.

7 . What is bothering Paul?

A．Choosing economics-related courses.

B．Making his lecture understandable.

C．Deciding on a good lecture title.