1 .

A．She is going to miss her first class.

B．She prefers going to the dentist later in the day.

C．The man will be back before his first class.

D．The man might sleep late and miss his appointment.

2 . 听下面一段较长对话，回答以下小题。
1. What's the trouble with the man?

A．He has put on some weight.

B．He has a sleep disorder.

C．He feels tired easily.

2. How long has the man's symptom lasted?

A．About twenty days.

B．About a month.

C．About five weeks.

3. Why was the man fired?

A．Because he was often absent from work.

B．Because he was found sleeping at a meeting.

C．Because his boss didn't sleep well before a meeting.

4. What will the man have first?

A．A chest X-ray.

B．A brain scan.

C．A blood test.