1 . 听下面一段较长对话，回答以下小题。
1. What is the main idea of the conversation?

A．The fact that robots will replace humans entirely.

B．The fact that robots will take jobs from humans.

C．The fact that robots will be introduced into people’s homes.

2. How does the man think about robots?

A．They do more with less cost.

B．They are not very friendly.

C．They break down regularly.

3. What percentage of jobs will be at risk during the next decade?

A．3%.

B．15%.

C．33%.