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When you feel sick, you go to the doctor. She checks your fever, and asks what you’ve been thinking about recently. When you leave, she gives you not only some medicine but also a list of thinking skills that you are supposed to practise daily. She says that the way you think is causing some of your illness.

Doctors and scientists who study the human mind and try to explain why people behave in the way they do are called psychologist（心理学家）. They are starting to believe that your brain is connected to every part of your body through your nervous system（神经系统）. Now scientists have proved that how you think and feel can have an influence on the health of your body. Stress can help us better understand this link（关联）.

Stress is caused whenever there is a problem or a change in your life. In fact, stress is necessary. Without stress, we would never learn anything or grow or change. But too much stress can hurt you. It can weaken your body’s protection so that you are more likely（可能的）to catch diseases. It can even make you more likely to have an accident.

What can you do about stress? First, you can try to find ways to change things so you aren’t under so much stress. You can set up a plan to finish homework or go to a doctor or a psychologist to try to work things out with your family or your friends. But sometimes you can’t change a stressful situation. Sometimes you don’t even want to. A big change might be a good change, but it will still be stressful.

The link between your body and brain works in two ways. Your body can help your mind deal with stress. If you are under stress, you need to take especially good care of your body. It’s important to get enough sleep and eat nutritious（有营养的）meals. Another thing that you can do is daily exercise, like running and jogging.

1．A psychologist may help you with ________.

A．all your illnesses and abilities	B．your thoughts and behavior（行为）
C．your mind and nervous system	D．your sleeping and daily exercise

2．What does the underlined word “weaken” in Paragraph 3 mean in Chinese?

A．增强

B．保护

C．减弱

D．预防

3．Which of the following is true according to the passage?

A．When we feel stressed, we should sleep less.	B．Diseases and accidents are often caused by stress.
C．We shouldn’t do some sports if we are under stress.	D．Everyone needs stress to improve himself or herself.

4．From the underlined sentence of Paragraph 4 we can infer（推断）that ________.

A．it’s difficult to change a stressful situation	B．it’s not stressful when a good change happens
C．a big change will cause another stressful situation	D．a stressful situation can’t be changed without any effort

5．What is probably the best title of for the passage?

A．The Body-brain Link

B．The Causes of Stress

C．The Advice on Health

D．The Brain and the Nervous system