人教版高一英语Unit3 Computers 新课标 人教 必修二

1、2021/8/9 星期一1Unit 3 Computers2021/8/9 星期一2DVD-ROMprintermonitorscreenmodemscannerkeyboardhard disc2021/8/9 星期一31 A monitor is2 The screen is3 A keyboard is4 A mouse is5 A CD-ROM is6 A hard disk is (a) the part of a computer that stores information.(b) the part of the computer that you type on.(c) th

2、e part of the computer that looks like a television(d) something you use to click on things (files, etc.).(e) the part of the monitor that you look at.(f) a separate disk that contains lots of information.Match the words with their meanings.2021/8/9 星期一4Warming UpA notebook computerAn abacusA huge c

3、omputerA calculatorA PC2021/8/9 星期一5Discussion: (What do they have in common?)I think thatIn my opinionI believe thatWhat s your reason?Why do you think so?1.They can be used for calculating. 2.They can deal with maths problems.3.They are our friends.4.They are useful and helpful.5. 2021/8/9 星期一6Lis

4、ten to the tape. Find the three robots from the following pictures and number them.123ABCD2021/8/9 星期一7What do you know about computer?How have computers changed our lives?Pre-reading2021/8/9 星期一8Fast-readingRead the passage as fast as possible and find out the answers to these questions.1.who was t

5、he first person to devise the earliest computer? 2. What did he make and what did it do? 3. who was the next important person to design computers?2021/8/9 星期一9Read the passage again and get the general idea of this passage.The history and development of computers,also about the relationship between

6、computers and humans2021/8/9 星期一10Explanation1.I know this sounds very simple, but at that time it was a technological revolution!“this” refers to the thing that “I followed instructions from cards with holes”-Now, we can see, it is a very easy, simple thing. But at that time, exactly in 1822, it wa

7、s a very big, important thing or a technological revolution.2021/8/9 星期一112. My real father was Alan Turing, who in 1936 wrote a book to describe how computers could be made of work, and built a universal machine” to solve any mathematical problem.Attributive Clause(定语从句)“And” 起什么作用?2021/8/9 星期一12Co

8、mprehending1642:_;The Analytical Machine was made by Charles Babbage.1936:_;1960s:_;The first family of computers was connected to each other.1970:_;Now:_.The computer began as a calculating machineAlan Turing wrote a book to describe how computers could be made to work.Computers had new transistors and became smaller.Computers were brought into peoples houseConnect people all over the world together.2