《吉林省长岭县第四中学高一英语人教版《Unit 3 Computers》课件（必修二）》由会员分享，可在线阅读，更多相关《吉林省长岭县第四中学高一英语人教版《Unit 3 Computers》课件（必修二）（24页珍藏版）》请在金锄头文库上搜索。
1、Warming up &ReadingLets play a guessing game!Remember:They are all things that are used in our daily life.Choose a numberGood Good luck!luck!I was born in China. 60I am made of wood or plastics. 30Many people used me for calculating(计算计算) in the past. 50But now I am a bit lonely because they dont li
2、ke me any more. 20abacusI am very small and clever. 60At school, a lot of students use me when solving mathematical(数学的数学的) problems. 30I can work out difficult sums(总数总数) quickly. 50calculatorI have a screen with pictures and sounds. 80 Im made to work with my “artificial intelligence(人工智能人工智能)”. 3
3、0You can also get information all over the world from me. 70I was born as a result of the technological revolution(技术革命技术革命). 60computer (laptop)Im a machine that you use to talk to other people even in a far-away place. 80 You can take me anywhere with you in your pocket. 70 Im most liked by busine
4、ssmen and officials. 30 I can also work as a PC. 50New applications(用途用途) are being added to me every year. 40PDAIm a machine. 80I can do many things for people and even finish jobs that people are not able to. 70I was once sent to explore the moon and Mars. 40I look like a human. 50robotPre-reading
5、Who am I ?What will the speaker tell us about?Predict:SkimmingWho is the speaker?ScanningYearsChanges 16421822The Analytical Machine was made by Charles Babbage.1940sThe first family of computers was connected to each other.1970sNow19361960sComprehendingPara 1:Topic sentences:Para 2:Para 3:changes o
6、ver timememory improvednew applicationsLanguage1. Although I was young I could simplify difficult sums.Make the right choices:A. Although I was young I could work out simple problems.B. Although I was young I could work out large numbers easily.2. Since the 1970s many new applications have been foun
7、d for me.A. Since the 1970s people have discovered new use for me.B. Since the 1970s people have found me many new rules.Passive voice(现在完成时的被动现在完成时的被动) I have been changed quite a lot over time. I began as a _ _ in 1642 in France. In 1822 I was built as an _ _. Then in 1936 Alan Turing wrote a book
8、 and built a _ _. As time went by, I was made smaller. Since the 1970s, I have been used in offices and homes, first as a _ and then as a _. Listening calculating machineanalytical machineuniversal machinePClaptoptubestransistorschipsnetworkWorld Wide Webcommunicationtrademobile phonesoperationsspac
9、ehappiness These changes only became possible as my memory improved. First it was stored in _, then on _ and later on very small _. In the 1960s they gave me a family connected by a _. Now people call it the _ _ _ or the Internet. Many new applications have also been found for me. I have been widely
10、 applied in _, finance, _, robots, _ _, medical _ and _ _. I am now filled with _ that I am a friend and helper of humans.rocketsPost-taskBrainstormingWhat do we, our school or our family use computers for?Things we do by using computers1.2.3.Post-taskComparingHow did we do the same things before we
11、 had computers?Things we do by using computers nowWe used to1.2.3.We used to but now we by computer.Post-taskReview and predictionFuture computers?robotWhat about next? a sports stara maid robotFuturerobots？Homework1.Read the text aloud and try to retell it in order of time.2.Search the Internet for more computer knowledge.同学们来学校和回家的路上要注意安全同学们来学校和回家的路上要注意安全
