Directions: There are five reading passages in this part.Each passage is followed by four questions. For each question there are four suggesteddoubt answers marked A,B,Cand D.Choose one best answer and blacken the corresponding letter on the Answer Sheet, Passage One One of the chief causes of fatigue(疲劳)is boredom . To illustrate this point,let's take the case of Alice,a corporate employee who lives on your street. Alice came home one night completely exhausted. She acted fatigued. She was fatigued.She had a headache.She had a backache.She was so exhausted that she wanted to go to bed without waiting for dinner.Persuaded by her mother,she sat down at the table.The telephone rang.The boyfriend!An invitation to a dance!Her eyes sparkled. Her spirits soared. She rushed upstairs,put on her Alice-blue gown,dashed out and danced until three o'clock in the morning;and when she finally did get home,she was not the slightest bit exhausted.She was,in fact,so excited that she couldn't fall asleep. Was Alice really and honestly tired eight hours earlier when she looked and acted exhausted?Sure, she was. She was exhausted because she was bored with her work,perhaps bored with life. There are millions of Alices.You may be one of them. It is a well-known fact that your emotional attitude usually has far more to do with producing fatigue than has physical exertion.A few years ago,Joseph E. Barmack,Ph.D.,published in the Archives of Psychology a report of some of his experiments,showing how boredom produces fatigue.Dr. Barmack put a group of students through a series of tests in which,he knew,they could have little interest.The result? The students felt tired and sleepy,complained of headaches and eyestrain,felt irritable.In some cases,even their stomachs were upset .Was it all"imagination"?No .Metabolism(新陈代谢)tests were taken of these students.These tests showed that the blood pressure of the body and the consumption of oxygen actually decrease when people are bored and that the whole metabolism picks up immediately as soon as they begin to feel interest and pleasure in their work! 36.When she came back from dancing,Alice felt( )?
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