1、,Get Ready for the Class,*Form groups of six. *Number the paragraphs. * Speak aloud while answering the questions.*Be more active!,Before class,Learning aims: 1. Get some information about the development and usages of computers. 2. Design your own computer and describe it in English. Learning focus
2、: How to help students improve their reading skills and strengthen their speaking ability.,【课前热身】 Todays words! (今日词汇),1.calculate vt. _ 2. universal adj. _ 3.simplify vt. _ 4. operator n. _ 5.logical adj. _ 6. technology n. _ 7. revolution n. _ 8. artificial adj._ 9.intelligence n._ 10. solve vt _
3、11.reality n. _ 12. personal adj _ 13.tube n. _ 14.total adj. _ work n. _ 16.web n. _ 17.application n._ 18 finance n. _ 19.mobile adj. _ 20. rocket n. _ 21.explore vt. _ 22 anyhow adv. _ 23 goal n. _ 24 happiness n. _ 25 从.开始 _ 26 结果 _ 27 如此.以至于. _,计算,普遍的;通用的,简化,操作员,合乎逻辑的,工艺;科技,革命,人造的;假的,智力;聪明,解决,真
4、实;事实,私人的;个人的,管;电子管,总的;整个地,网络;网状物,网,应用;用途;申请,金融;财经,可移动的;机动的,火箭,探索;探测;探究,无论如何;即使如此,目标;目的;球门,幸福;快乐,from.on,as a result,so.that,First, lets play a guessing game!,What are they ?,4,Leading-in,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 lonel
5、y because they dont like me now. Do you know who I am?,abacus,Riddles(谜语):,I 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?,calculator,Riddles:,I can be used for calculating. Besides, I can also be used for w
6、atching DVD, sending e-mail and communicating through the Internet. However, I am not a PC, because Im small enough for you to take me with you.,notebook computer laptop,Do you know who I am?,Riddles:,Similarity?,Theyre _ in different stages.,Whats next?,computers,i- robot (intelligent robot),A huge
7、 computer,a PC,the history of the computer,Palmtop,abacus,calculator,laptop,Unit 3 Computers,Period 2 Reading: Who Am I?,微山一中 :郑 礼 华,Pre-reading,Step I Fast Reading,Read the whole passage quickly and silently and finish the questions in Step I.,注意:段落主题句哦!,A.These changes only became possible as my m
8、emory improved. B. Since the 1970s many new applications have been found for me. C. Over time I have been changed quite a lot.,Para 1:,Para 2:,Para 3:,Match the main ideas with the paragraphs.,Task 1:,Task 2 : Put the inventions in right order according to the time when they appeared.,( ) analytical
9、 machine ( ) laptop ( ) calculating machine ( ) robot ( ) PC ( ) universal machine,2,1,4,5,6,3,14,Step II Careful reading,Read the passage carefully and finish the exercises.,Task 1,Read Para. 1 in 2 mins and find out the development histoty of computers. Ill give you some clues.,calculating,analyti
10、cal,universal,computer,personal,laptop,Time order,Para. 2,Listen to Para .2 carefully and fill in the blanks grammatically.,Task 2,These1._ (change) only became possible as my memory improved. First it was stored 2._tubes, then on transistors and later on very small chips. As3. _result I totally cha
11、nged my shape.As I have grown older I have also grown smaller.Over time my memory has developed so much 4._, like an elephant, I never forget anything I 5._(tell)! And my memory became so large that even I couldnt believe it! But I was always so lonely 6._ (stand)there by myself, until in the early
12、1960s they gave me a family7. _ (connect)by a network. I was able to share my knowledge with others through the World Wide Web.,19,changes,in,a,that,have been told,standing,connected,Para.3,Find some supporting details for the topic sentence.(2 minutes),Since the 1970s many new applications have bee
13、n found for me.,Task 3:,Since the 1970s many new applications have been found for me.,_finance_mobile phones_ exploring the Moon and Mars,Anyhow, my goal is to provide humans with a life of good quality.,communications,trade,robots,medical operations,space rockets,Science serves people,Summary of th
14、e text,Task 4:,Name : computer Born : (time) 1642 (place) My real father: _ My size: 1._( in the past)2.smaller and smaller (modern) My history: 1. 1642 _machine2. 1822_machine3. 1936 universal machine4. 1940s _5. 1970s _ and _ My memory: _ _ _ My applications: _; _;_; _;_; _;space rocket.,Who am I?
15、,France,Alan Turing,huge,analytical,calculating,laptop,PC,tubes,transistors,chips,communication,finance,robot,mobile phone,medical operation,trade,huge computer,Step Consolidation,Fill the blanks in Step and use the correct forms.,当堂巩固!,Its known to us all that the computer is one of the most import
16、ant inventions in the 20th century. Though its widely used in our daily life, it began only as a 1._machine in 1642. In 1822 the 2._ machine was made by Charles Babbage. At that time, after the computer was 3._by an operator who used cards with holes, it could “think” logically and produce an answer
17、 4._ than any person. With the time 5._ by the computer has been made smaller and smaller, quicker and quicker. Later, the single computer was 6._ with each other. The information could be 7._. Since the 1970s many new 8._have been found for the computer. It has become very important in 9._, finance
18、 and trade. The computer is a devoted friend and helper of the 10._race!,calculating,analytical,programmed,quicker,going,connected,shared,applications,communication,human,Present-day and future robots?,My own robot,name,,memory,basic functions(功能),Step Design and speak,Let your imagination(想象力) fly
19、to create a dream robot for yourself. You can describe it from these aspects(方面).,appearance,DesignerHello/Hi, everyone, my name is .I am crazy about/ interested in/ fond of .,so I designed a.robot.It can help me in many aspects./It really serves me well.,RobotHey,guys, I am Robot A/B/C.I am good at
20、. I am an expert at. I have plenty of advantages,such as. I can help you in many ways , for example.,Reference sentences,Emotional education,Just like a sword(剑),everything has two sides-good and evil(邪恶的). Computers are no exception(例外),so we should try our best get rid of their evil aspects and ma
21、ke use of the good ones to serve the human race better !,Step Quiz 当堂检测,单词拼写: 1. The program helps you _(计算) how much tax you have to pay. 2. We must _(探索) all possible ways to increase food production. 3. The teacher tried to _(简化)the theory for the students. 4. A mass campaign(活动) has been started
22、 to help s_the problems caused by sandstorms. 5. It is against law to read others p_ letters without permission. 语法填空: 1. _ do you think is the richest man in this city? 2. At first I thought he was a bit shy, but later I realized that he was_(simple) unfriendly! 3. Flying cars may soon become a _(r
23、eal). 单句改错: 1.As result, he won the game and finally became famous throughout the country. 2. Im sorry youve been waiting so long, but itll still be some time before Brian got back .,calculate,explore,simplify,solve,personal,Who,simply,reality,a,gets,This is to certify all of you who have tried your best. All of you did very well in our English Class!Nathan,1,2,3,4,5,Step HomeworkWrite a passage (100-120 words) to describe your own robot in detail.,Thank you all !Goodbye !,