Unit3 Computers学习目标：1、 通过本单元的学习，使学生了解计算机的发展历程及其在当今社会的广泛应用。2、 鼓励学生用英语表达自己的观点并进行简单的理由阐述和作出决定。3、 教会学生按时间的先后顺序描述一件事。4、 使学生了解和掌握现在完成时的被动语态的用法。Reading one注意下列词组在文中的应用： a calculating machine 计算机器 an analytical machine 分析机 a technological revolution 科技革命 artificial intelligence 人工智能 a universal machine 通用机器 the World Wide Web 万维网 语篇解读：I. Fast reading: Read the passage and find out the topic sentence of each paragraph.Para1: _____________________________________________________________________Para2: _____________________________________________________________________Para3: _____________________________________________________________________ II. Second reading. Read the passage for the second time and finish the following exercises.Task 1. Choose the best answer to each question according to the text.1. Look at the pictures and the title of the passage. Predict what it is going to be about._______A. the importance of computers. B. the applications of current computers C. the development of computers D. the future of computers.2. What can you infer from the text? __________A. the computer has artificial intelligence B. the computer changes a lot over years C. the computer was not connected by a network until in the early 1960s D. now the computer can only be used to deal with informationTask 2. Read the passage and finish the timeline below.1642: Computers began as a ____________ machine in _____________.1822: The ___________ machine was made by Charles Babbage.1936: Computers grew rapidly both in ____________ and in ___________.1940s: A computer grew as large as a _____________.1960s: The first ____________ of comput...
