1 . 听下面一段独白，回答以下小题。
1. What will life be like in the future?

A．People will hold online meetings virtually.

B．More visits are needed to the doctor.

C．A few people will go to an office.

2. What couldn't be imagined by people in 25 years ago?

A．How tall today's buildings are.

B．How different the smartphone would be.

C．How the Internet would change our lives.

3. What will we do if we need a table in the future?

A．Order online.

B．Print at home.

C．Design by ourselves.

4. What's the talk mainly about?

A．What life will be like in 100 years.

B．Where to go on holiday in the future.

C．How the 3D technology will help us.