八年级英语上册-Module-2-Science-and-technology-Unit-3-Computers-Reading课件-(新版)牛津深圳版.ppt

Unit 3ComputersReadingComputer factsorderparemonitorspeakermain unitkeyboardmousetypen. 订货；订购订货；订购v. 比较；对比比较；对比n. （计算机）显示器（计算机）显示器n. 扬声器扬声器n.（计算机）主机（计算机）主机n. （计算机）键盘（计算机）键盘n.（计算机）鼠标（计算机）鼠标v. 打字打字Word Reviewbraincontrolexpensivetinydependspeedoperaterailwayn. 脑脑v. 操纵，控制（机器或操纵，控制（机器或系统等）系统等）adj. 昂贵的；价格高的昂贵的；价格高的adj. 极小的；微小的极小的；微小的v. 依靠；依赖依靠；依赖n. 速度速度v. 操作；控制操作；控制n. 铁路系统铁路系统Word ReviewCan you imagine that what kind of puter we will use in the future?Watch the video.视频欣赏视频欣赏1. To understand the structures of a puter and can read aloud the name for each part of a puter2. To learn some key words and useful expressions 3. To learn about the development of puterObjectives：I am very old now. I was born in China. Many people used me for calculating in the past, but now I am a bit lonely because they dont like me now. Do you know who I am?abacusRiddles (谜语谜语)Lead-inI am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems. Do you know who I am?calculatorPC Personal ComputerIm a small, relatively inexpensive puter designed for an individual user. Im based on the microprocessor technology. At home, people use me to surf the Internet and play games. Do you know who I am?abacuscalculatorPCPre-readingHow much do you know about puters? Look at the photo below and plete the sentences with the correct names.p34A Aspeakersmonitorkeyboardmousemain unit1 The _ shows words and pictures.2 We use the _ for typing.3 The “brain” of a puter is in the _.4 We move the _ to control the puter.5 We hear sound from the _. monitor keyboard main unit mouse speakersp34A ALook at the pictures, the title and the sub-headings of the article on page 35. Then tick () the facts that the article probably talks about.1. Computers are getting smaller and better.2. Computers can do important jobs like flying planes.3. Computers may work as doctors.4. Computers are expensive.p34B BComputer factsReading1. When was the first puter invented?2. Were puters big or small in the 1940s?3. Who can calculate at a faster speed, a man or a puter?4. What important jobs can a puter do?5. Why cant puters be cleverer than us? Read the passage and answer questions.1. When was the first puter invented? In the 1940s.2. Were puters big or small in the 1940s? They were big.3. Who can calculate at a faster speed, a man or a puter? A puter.4. What important jobs can a puter do? It can operate railways and fly planes and spaceships.5. Why cant puters be cleverer than us? Because our brains can produce new ideas but puters cant.Now listen to the passage.Finish the following form according to the Reading Part.Aspect(方面方面) FactSize Computers are being smaller and (1) _ now than those in the past.There is probably a (2)_ puter inside your TV or washing machine. better tiny UseComputers can (3)_ and they almost never give wrong answers.People can use puters to type and draw things.Computers can even (4)_ railways and fly planes and spaceships.calculate operateFutureComputers may do better in some jobs one day, but they cant be (5)_ than human beings.clevererp36C CC1 The words in italics explain the meanings of some words on page 35. Find these words to plete the sentences. Change their forms if necessary.1 If something is very small, it is _. (line 5)2 Some young people always need help from their parents. They should learn to _ themselves. (line 8)3 We had fun and learnt something new as well. We had a good time. _, we leant a lot. (line 14)4 When we make a machine work, we _ it. (line 16) tiny depend on In addition operateC2 Complete the conversation below with the words from the box. depend on expensive in addition speedMark: I bought a new puter.Helen: Why?Mark: I bought my first puter five years ago. I used it almost every day, and it became really slow.Helen: I see. So hows your new puter?Mark: It was really (1)_, but it works at a much faster (2)_ than my old one. (3)_, it has a larger monitor.Helen: I also (4)_ my puter a lot these days. I use it tow write reports, and to get on the Internet too. My puter works well, so Im not going to buy a new one. expensive speed In addition depend onp37D D1 S1: There may be tiny puters in your home.S2: Where, for example?S1: Inside you _ or _.2 S1: We can do many things with puters in our daily life.S2: For example?S1: We can _, _ and _ with them.D1 Read the article on page 35 and plete the answers with the examples from the article. TV washing machine calculate type draw things3 S1: Computers can do some important jobs.S2: For example?S1: They can _ and _.4 S1: One day, puters may be able to do a better job than human beings.S2: For example?S1: They _. operate railways fly planes and spaceships may be better than doctors at doing their jobD2 Read the article again and answer the questions below in plete sentences.1. What were the first puters like? _2. Why are we unaware of some puters?_3. Are puters cleverer than you and me? Why or why not?_They were bigger than cars.Because t。