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>> 国家开放大学 / 高等数学基础
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佳题速递：
既然DMA方式能用于高速外围设备的信息传送，也就能代替中断方式。计算机组成原理 截去猴的一个手指后，该被截手指在大脑皮层的感觉代表区将 生理学（临床） 确定固定设备设施养护维修体制的基本原则高速铁路运营管理 20、The Internet began more than thirty years ago, and its goal was to increase communication among universities, the government and some major American businesses by linking their computers together. The Internet makes it easy for them to send large _ _ 21 _ _ of information quickly.
As time passed, more people began using the Internet. In 1981, the Internet linked 213 computers. Only nine years later, it _ _ 22 _ _ more than 350,000 computers. Today experts say there are about 300 million computers connected to the Internet.
The Internet has changed the way people work. They can travel from place to place _ _ 23 _ _ getting in touch with their office all the time via the Internet. A recent report in the America magazine, Newsweek, said more than 89 million Americana now use the Internet at work. Companies around the world now use the Internet. One can hardly imagine how business could be done _ _ 24 _ _ the Internet.
The Internet is becoming more important than any one had thought possible. And its importance is _ _ 25 _ _ to increase more in the future.统考英语完型填空 13. When I was a teenager, my bedroom was always _ _ _ _ ; as an adult, though, my room is always neat.. A、 tidy B、 orderly C、 mess D、 untidy英语（二） 当代学校教育在人的身心发展过程中起（ ）作用。 小学教育学
上单调递减的是（ ）．
