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This is my room. Near the window there is a desk. I often do my homework at it. You can see some books, some flowers in a vase, a ruler and a pen. On the wall near the desk there is a picture of a cat. There is a clock above the end of my bed. I usually put my football under my bed. Of course there is a chair in front of the desk. I sit there and I can see the trees and roads outside. What’s in the picture
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I am in a bus on a rainy day, and a woman with a dog gets on the bus. It is a big dog and its feet are not clean. I don’t want the dog to sit near me. But the woman says to the conductor, "Oh, I pay for my dog. Can he sit here like the other people" The conductor looks at the dog and says, "Yes, madam. But like the other people, he must not put his feet on the chair.\ The conductor allows the dog to sit on the chair.
设曲线y=x2-1在点(x0，y0)处的切线l与直线y=2x+1平行， 求切线l的方程。
许多大学生缺乏明确的职业规划2．职业规划的重要性3．我的看法 Do College Students Need Career Orientation
IBM researchers are attempting to warm up human-computer relationships. For example, IBM, International Business Machines, has been working on getting computers to recognize human (36) , such as an arm wave to move a (37) object on screen. Recently, the company’ s researchers have gone a (38) further by training a computer to recognize human (39) To demonstrate their progress, IBM (40) out Pong, a (41) head without body that can react to human facial expressions with a smile or a (42) Pong uses a camera to (43) your gestures in pain or anger or frowning and uses software to interpret what it sees. But don’t expect your computer to start grinning at you any time soon. (44) In the meantime, you can get a taste of the future by playing with basic gesture-recognition technology on your own Windows PC. (45) Cybernet’s $40 Headhunter software can track and translate head movements into game commands. Lean left, for example, and the onscreen view moves left. Cybernet programmers point out that this is more than fun and games: (46)
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