1 . 听下面一段较长对话，回答以下小题。
1. How long did the man live in San Francisco?

A．Ten years.

B．Five years.

C．One year.

2. How do Americans behave in restaurants?

A．They are very outgoing.

B．They are usually quiet.

C．They often drink much.

3. Where can one enjoy international food better?

A．In America.

B．In China.

C．In Middle East.

4. Who might the woman be?

A．A guide.

B．A hostess.

C．A traveler.

2 . 听下面一段独白，回答以下小题。
1. What does the speaker do?

A．He is an engineer.

B．He is a scientist.

C．He is a businessman.

2. What was the speaker’s major in college?

A．Business.

B．Computer.

C．Marketing.

3. Where did the speaker get the idea of starting his career in AI?

A．From his teacher.

B．From Apple’s Siri.

C．From a famous scientist.

4. How do people feel about the development of AI according to the speaker?

A．Glad.

B．Worried.

C．Unconcerned.

3 . 听下面一段较长对话，回答以下小题。
1. What happened to the boy in the basketball match?

A．He injured his leg.

B．He failed to score the ball.

C．He left the match half way.

2. Why was the boy disappointed?

A．His team lost the match.

B．He performed badly in the match.

C．His teammates didn’t treat him as a hero.