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概念模型描述了系统的______。功能模型指出______，动态模型确定______，而对象模型确定______。功能模型由____
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面向对象有三个基本要素，它们是______、______和______。
在C++和C中有一个______函数，可以使用这个过程来说明构成系统主要对象的那些类的实例。
Music Used As a HealingTherapy
1. Music has long been used to treatpatients suffering from different problems. In 400 BC, its healing propertieswere documented by the ancient Greeks. More recently, in both world wars in thelast century, medical workers used musictherapy c疗法) withpeople suffering from trauma (外伤).Currently, it is usedas a treatment for many diseases, such as cancer, and it has also been usedwithpatients with long-term pain and learning disabilities.
2. There is growing evidence that musiccan caused physical changes to the body which can im-prove our health. In theWelcome Trust study, which took place over three years at the ChelseaandWestminster hospital in London,patients were asked to listen to musical performances. As a result, it wasfound that stress levels were significantly reduced, recovery times wereimproved, and fewerdrugs were needed.
3. These very positive results are partlydue to general well-being (良好的健康状况). It is alreadyacceptedthat when people feel happy and have a positive approach to life, they are morelikely to feelbetter and recover from disease quickly. Music increases thisfeeling of joy and adds to the recoveryprocess.
4.However, not all these benefits can be attributed to an increase in generalwell-being. Music hasother effects which have not yet been understood.According to Professor Robertson, a scientist andmusician, some effects ofmusic are mysterious and are, therefore, being investigated further. It hasbeensuggested that the sounds and thythms of music help stimulate the brain andsend electrical mes-sages to the muscles.
5. Science, however, demands facts andhard evidence. Many in the medical profession have notyet recognized thehealing benefits of music, since reports have been based mainly on variousstories ofevidence. These new studies could provide proof to doctors that musicis a suitable treatment for manyconditions. One day doctors may even "prescribe" (开处方) music, but that could be a long time in thefuture.
23. Paragraph 1
Who had an importantinfluence on early ballet .
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