【推荐2】听下面一段较长对话，回答以下小题。
1. What is introduced about the development of AI?

A．It is overused sometimes.

B．It has been applied to many fields.

C．It may pose threats to transportation.

2. What does Mr. Hastings believe will happen in the future?

A．AI may cure early-stage cancer.

B．Personal data can be well protected.

C．AI’s application will constantly expand.

3. What’s the woman’s attitude towards the future of AI?

A．Positive.

B．Doubtful.

C．Indifferent.

4. What’s the probable relationship between the speakers?

A．Employer and employee.

B．Radio host and guest.

C．Salesman and customer.

【推荐1】听下面一段独白，回答以下小题。
1. What is the biggest difference between weak AI and strong AI?

A．Cost.

B．Service time.

C．Human involvement.

2. Which of the following belongs to strong AI?

A．Apple’s Siri.

B．A self-driving car.

C．AlphaGo.

3. What is many experts’ attitude toward the future of AI?

A．Supportive.

B．Uncertain.

C．Depressed.

4. What will be discussed about AI next?

A．The problem to deal with.

B．An example of weak AI.

C．The benefit of it.

【推荐3】听下面一段独白，回答以下小题。
1. What does the speaker do?

A．A scientist.

B．An engineer.

C．A businessman.

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

A．Marketing.

B．Computer science.

C．Business.

3. What made the speaker get the idea of starting his career in AI?

A．Apple’s Siri.

B．His teacher’s suggestion.

C．A famous scientist’s report.

4. How does the speaker feel about AI’s future?

A．Inspiring.

B．Interesting.

C．Promising.