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在美国,计算机早已进入校园,日益成为有效的教学工具,得到广泛应用。有人推测,1990年美国中小学将拥有计算机500万台,在校学生平均每12个人就拥有一台。有些教育学家认为,计算机进入教育领域,是一次具有历史意义的教育革命。尽管计算机成为新型教学工具的前景比较乐观,但在它全面进入课堂之前也面临一些难题。首先是资金问题。虽然近些年计算机硬件的价格呈降低趋势,但它仍不能象课本那样使每个在校学生“人
In the United States, computers have long been on campus and are increasingly becoming effective teaching tools and are widely used. Some people speculate that in 1990, primary and secondary schools in the United States will have 5 million computers, with an average of 12 students per school. Some educators believe that the computer into the field of education, is a historic educational revolution. Despite the optimism that computers are a new teaching tool, they face some challenges before they can fully enter the classroom. The first is the funding issue. Although the price of computer hardware has been declining in recent years, it still can not make every student