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Unit 3 Computers 课时精练(1) （人教新课标，重庆专用） (时间：45分钟) Ⅰ.课文缩写 The computer began as a__1__machine in 1642 in France. It could__2__difficult__3__.In 1936 Alan Turing built a“__4__ machine” to__5__ any mathematical problem. At the beginning，the computer was as large as a room. This__6__worried the designer. As time went by，it became smaller and smaller. With__7__intelligence，it is getting cleverer and cleverer，quicker and quicker. In the early 1960s，computers could be connected by a network，which enables their users to share information with others. Since the 1970, computers have many new__8__and become very important in communication，__9__， trade and even been put into space rocket and sent to__10__the Moon and Mars. 答案 1.calculating 2.simplify 3.sums 4.universal 5.solve 6.reality 7.artificial 8.applications 9.finance 10．explore Ⅱ.单词拼写 1．In most maths examinations senior high school students are allowed to use ________(计算器)in the exams. 2．I don't like________(假的)flowers, which cannot purify(净化)the air. 3．He's very clever. He's got quite high________(智商) quality. 4．Try to________(简化)your explanation to the students to help them understand better. | 
