1 . 听下面一段较长对话，回答以下小题。
1. What do the speakers mainly talk about?

A．Energy production.

B．Information safety.

C．Smart cities.

2. Which is among the man’s research focuses?

A．Traffic release.

B．Equality promotion.

C．Data management.

3. What does the man mean in the end?

A．Personal information can be secured.

B．B. Data leakage will never happen.

C．Greater security can be achieved.

4. Who might be the woman?

A．A professor.

B．A journalist.

C．A scientist.

2 . 听下面一段较长对话，回答以下小题。
1. What is the probable relationship between the speakers?

A．A couple.

B．Friends.

C．Trainer and trainee.

2. How does the man keep working out at home?

A．By using apps.

B．By watching videos.

C．By teaming up with families.

3. Why does the woman have trouble sticking to a plan?

A．She needs motivation from others.

B．Her plan is designed unreasonably.

C．She is always disturbed by other things.

4. Which course will the woman choose first?

A．A VIP course.

B．A free course.

C．A tailored course.