1 . 听下面一段较长对话，回答以下小题。
1. What does the man think he still has a problem with?

A．His nose.

B．His head.

C．His mouth.

2. Where are the speakers?

A．In a hospital.

B．In a school lab.

C．At a research center.

3. What will the man work out during the experiment?

A．His smell.

B．His taste.

C．His muscle.

4. What is the main topic of the conversation?

A．Taking new medicines.

B．Using new treatments.

C．Finding new senses.

3 . 听下面一段长对话，回答下列各题。
1. What’s the woman’s new problem?

A．She has a sore throat.

B．She has a toothache.

C．She has an earache.

2. How often should the woman take the medicine?

A．Once a day.

B．Twice a day.

C．Three times a day.

3. When does the woman need to see the doctor again?

A．Next Monday.

B．Next Tuesday.

C．Next Thursday.

4. What does the doctor suggest the woman do finally?

A．Make an appointment.

B．Buy medicine outside.

C．Write down the date.