1 . 听下面一段独白，回答以下小题。
1. What does the new research show about years’ long running?

A．It could make our life longer.

B．It could make our life shorter.

C．It makes no difference to our life.

2. What can too much running lead to?

A．Heart disease.

B．Good hearts.

C．Underweight.

3. How old were the runners in the research?

A．Over 25.

B．Over 30.

C．Over 35.

4. What does the doctor recommend at the end of the passage?

A．Exercising regularly.

B．Stopping exercising.

C．Exercising simply.