Unit 3 Computers学案.doc

Book 2 Unit 3 Computers 一、根据中文提示完成下列句子。 1.Tom is good at ________________(计算). 2.You must _____________(简化) your sentence so that they can understand what you mean. 3.The _______________(接线员) speaks English so fast that I can’t follow her. 4.We must develop our ________________(技术) in science. 5.Look! The mountain over there is _________________(人造的). 6.You can improve your _________________(智力) by reading books. 7.We are thinking hard to find the best way to ______________ (解决) this problem. 8.Now what we should do is to face the _______________(现实). 9.How much I want to fly to the moon and ______________(探索) it. 10.You must have a _______________ (目标) in your life. 二、翻译下列短语。 1.在某种程度上 2.人类 3.从……时候起  4.结果 5.处理；安排；对付 6.弥补,补足；整理,编造 7.毕竟 8.看守,监视 9.在……帮助下 10.如此…以致… 三、句子翻译 。 1我度假时，你能帮我看管一下我的狗吗？(watch over) ________________________________________________________________________ 2在老师的帮助下，约翰的英语有了提高。(with the help of) ________________________________________________________________________ 3他是一个能恰当处理各种问题的人。(deal with) ________________________________________________________________________ 4我不知道你为什么这么关注，这毕竟不是你的问题。(after all) ________________________________________________________________________ 5从现在起，你可以独自工作了。(from...on) ________________________________________________________________________ 四、翻译以下短文，注意划线部分的单词和短语。 With the help of science and technology, we human race are now living a much happier life than ever before. Take the invention of the computer for example, it not only helps us solve difficult mathematical problems to save time, but you can also type any material or information into your computer to communicate with your teammates on your business by the network. Besides, it can take the place of us to deal with many dangerous situations under the control of the programmers. In a way, their advantages are over humans’, and this is why people create some robots with artificial intelligence to help us human beings. However, some people are worried that dangerous problems will arise from any over usage of high-tech. Personally speaking, I disagree with it. With the authorities watching over, the technology can make up our shortcomings and help us do lots of things, if not, why we create and develop them? 五、根据课文Who am I?完成下列短文 1 history of computer began in 1642 in France. 2 was first built only as a calculating machine, and later as an Analytical Machine that could “think” 3 (logic) and produce an answer quicker than any person. Still later, the “universal machine” is built 4 (solve) mathematical problems, 5 made computer huge! 6 the years have gone by, computer has been made smaller, quicker 7__cleverer. Later, computers were connected by network and brought 8 common people’s homes to deal with information and help communication 9 people around the world. Since 10 birth, computer has always been designed to serve the human race. 被动语态练习题 一、主动句转被动句。 1 His mother told him not to waste time on fishing. 2 I hoped my father would give me a toy at Christmas. 3 This factory produces machine tools. 4 They should do it at once. 5 They a