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当前学科：宗教学
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信安拉无所不在，有什么功用？
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下列属于功能评价的方法的是()。
马克卢普于1962年提出的“（）”理论，德鲁克于1968年提出的“知识社会论”，波拉特于1977年提出的“信息经济”学说等，他们分别从宏观和微观的角度对信息产业、信息经济和信息社会等问题进行了探讨。
Sixteen-year-old Maria was waiting in line at the airport in Santo Domingo. She was leaving her native country to join her sister in the United States. She spoke English very well. Though she was very happy she could go abroad, she was feeling sad at leaving her family and friends. As she was thinking all about this, she suddenly heard the airline employee asking her to pick up her luggage and put it on the scales (称). Maria pulled and pulled. The bag was too heavy and she just couldn't lift it up. The man behind her got very impatient. He, too, was waiting to check in his luggage.
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