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

A．A teacher.

B．A student.

C．A repairman.

2. Why might people be eating insects in the future?

A．They are easy to catch.

B．They are rich in fat.

C．They are nutritious.

3. What does the man say about work in the future?

A．People won’t operate machines.

B．There will be much fewer jobs.

C．More taxi drivers will be needed.

4. What will the man do next?

A．Describe space in the future.

B．Let other students ask questions.

C．Finish the class by concluding.