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Those services available at MP3 outlets are not provided by other retailers.
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共享硬件、软件和数据资源为目标的计算机系统，称为计算机网络。在一个使用循环调度的系统中，s表示执行进程切换所需要的时间，q表示循环的时间片，r表示进程在发生I/O阻塞前平均运行时间。(a)如果q=∞，CPU 效率是 (31) ；(b)如果q＞r，那么，CPU的效率是 (32) ；(c) s＜q＜r，CPU的效率是 (33) ；(d)s=q＜r，效率为 (34) ；(e) q几乎为零时，CPU的效率是 (35) 。 （34）处填（）。
Psychology (心理学) is the study of the mind and mental activities. For example, psychologists are interested in why some things make you sad, but others make you happy. They want to know why some people are shy, but others are quite talkative. They also want to know why people do the things that they do. They test intelligence.Psychologists deal with the minds and behavior of people. Your mind consists of all your feelings, thoughts, and ideas. It is the result of one part of the brain called the cerebrum (大脑). Your behavior is the way you act or conduct yourself. Examples of behavior include shouting, crying, laughing, and sleeping.Several people have been instrumental (有重要作用的) in the field of psychology. Wilhelm Wundt set up the first psychological laboratory in Leipzig, Germany, in 1879. Ivan Pavlov, a Russian, is noted for his experiments with dogs in which he studied their reflexes and reactions. Around 1900, Sigmund Freud stated his theory that people try to repress (压制) any memories or thoughts that they believed were not good.Psychologists should not be confused with psychiatrists (精神病学家). Psychiatrists deal only with mental illness. They are medical doctors who treat people. According to the passage, the cerebrum controls （）.
Meeting your personal living needs is our number one choice.All of our big apartments offer fully equipped kitchens (including dinnerware (餐具) and cooking utensils (器具)) and separate living and dining areas--ideal for holding informal business meetings or entertaining.Telephone, Television & Internet Services.Our apartments include a private telephone line with voice mail system, including ex- tended cable TV & high speed Internet service. Additional services such as fax or modem lines can be easily arranged.Parking is available at many of the apartment locations for a cheap parking fee.HousekeepingWeekly housekeeping service is provided with your suite.Recreation (娱乐)Many locations have many fitness facilities, including swimming pools, exercise rooms and tennis courts. What other fitness facilities can residents enjoy besides swimming pools and exercise rooms They can also enjoy （）.
19（）
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