There is a famous expression in English," Stop the world,  I want to get off ! " This expression refers to
a feeling of panic, or a stress, that makes people want to stop whatever they are doing, try to relax, and
become calm  again. "Stress"means pressure or tension. It is one of the  most common causes of health
problems in modern life. Too much stress results in physical, emotional, and mental  health problems.
     There are numerous physical effects of stress. Stress  can affect the heart.lt can increase the pulse rate,
make the heart miss beats, and can cause high blood pressure. Stress can affect the respiratory (呼吸)
system. It can lead to asthma(气喘). It can cause a person to breathe too fast, resulting in a loss of
important carbon dioxide. Stress can affect the stomach.lt can cause stomachaches and problems of
digesting food. These are only a few examples of the wide range of illnesses and symptoms resulting from
stress.
     Emotions are also easily affected by stress. People suffering from stress often feel anxious. They may
have panic attacks. They may feel tired all the time. When people  are under stress, they often overreact to
little problems. For example,a normally gentle parent under a lot of stress at  l work may yell at a child for
dropping a glass of juice. Stress can make people angry, moody, or nervous.
     Long-term stress can lead to a variety of serious mental! illnesses. Depression, an extreme feeling of
sadness and j hopelessness, can be the result of continued and increasing{ stress. Alcoholism and other
addictions often develop as a l result of overuse of alcohol or drugs to try to relieve stress. Eating
disorders, such as anorexia(神经性厌食),are sometimes caused by stress and often made worse by
stress. If stress is allowed to continue, then one's mental health is put at risk.
     It is obvious that stress is a serious problem.1t attacks the body.  1t  affects the emotions. Untreated, it
may eventually result in mental illness. Stress has  a  great influence on the health and well-being of our
bodies, our feelings, and our minds. So, reduce stress: stop the world and rest for a while.

1. According to the passage, which of the following is not a common problem caused by stress?

A. physical problems    
B.sleeping problems
C. mental problems      
D.emotional problems

2. According to the passage, which of the following parts of  the body does not have physical problems
caused by  stress?

A. the arms    
B.the stomach
C. the lungs    
D. the heart