阅读理解

　　Stress makes a person want to stop whatever they are doing, try to relax, and become calm again.Too much stress results in physical, emotional, and mental health problems.

　　There are numerous physical effects of stress.Stress can affect the heart.It can increase the pulse rate, make the heart miss beats, and can cause high blood pressure.Stress can affect the respiratory system.It can lead to asthma.It can cause a person to breathe too fast, resulting in a loss of important carbon dioxide.Stress can affect the stomach.It can cause stomach aches and problems 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 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 hopelessness, can be the result of continued and increasing stress.Alcoholism and other addictions often develop as a result of overuse of alcohol or drugs to try to relieve stress.Eating disorders, such as anorexia, are sometimes caused by stress and are 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.It attacks the body.So, reduce stress: stop the world and rest for a while.

　　[1单选题]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

　　[答案]A

　　[解析]本文讲的是压力给人们带来的危害。第二段提到，压力可以给人的身体内部的各个器官带来伤害，但未提到手臂。

　　[1单选题]Choose the best answer to explain how alcoholism is caused by stress.

　　A.alcohol is popular

　　B.alcohol is similar to medicine

　　C.alcohol is a chemical

　　D.alcohol is used to relieve stress

　　[答案]D

　　[解析]第四段中提到，压力常会使人对酒精或毒品有强烈的依赖，以寻求解脱。

　　[1单选题]Stress can affect the respiratory system by __.

　　A.decreasing the pulse rate

　　B.a loss of carbon dioxide

　　C.causing breathing problems

　　D.causing asthma

　　[答案]C

　　[解析]第二段中提到，压力会影响到呼吸(respiratory)系统，会引起哮喘症(asthma)，使人呼吸加快。

　　[1单选题]Symptoms of emotional stress include __.

　　A.feeling joyous

　　B.feeling hungry

　　C.feeling thirsty

　　D.feeling tired

　　[答案]D

　　[解析]第三段中提到，压力会使人在情感上出现问题，如焦躁、不安、厌烦(feelingtired)等。

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