1、,广东省揭阳市第二中学 郑永丽 2011-11,computer,desktop computer,laptop/notebook,palmtopPDA (personal digital assistant),Different kinds of computers,Brainstorming,Pre-reading,The usages of a computer,listen to music,do shopping,search for information,play computer games,communicate with friends,watch movies,The u
2、sages of a computer,Reading,How did a computer come into being?,Task 1: (2m)Skim the incomplete article to get the main idea and think about the following question: How did you find the main idea?,WHO AM I?,The main idea of this article,This article is about _.,the development of computers,Topic sen
3、tence:,A topic sentence sets out the main idea of a paragraph;,is usually the first or last sentence of a paragraph.,The development of computers,changes,improvement in memory,new applications,Task 2: (1m) Scan the details to put them back to their place,A,B,C,The right order of the details,I began
4、as a calculating machine in France in 1642. Although I was young I could simplify difficult sums. I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage. After I was programmed by an operator who used cards with holes, I could “thi
5、nk” logically and produce an answer quicker than any person. At that time it was considered a technological revolution and the start of my “artificial intelligence”. In 1936 my real father, Alan Turing, wrote a book about how I could be made to work as a “universal machine” to solve any difficult ma
6、thematical problem. From then on, I grew rapidly both in size and in brainpower.,First it was stored in tubes, then on transistors and later on very small chips. As a result I totally changed my shape. As I have grown older I have also grown smaller. Over time my memory has developed so much that, l
7、ike an elephant, I never forget anything I have been told! And my memory became so large that even I couldnt believe it! But I was always so lonely standing there by myself, until in the early 1960s they gave me a family connected by a network. I was able to share my knowledge with others through th
8、e World Wide Web.,I have become very important in communication, finance and trade. I have also been put inot robots and used to make mobile phones as well as help with medical operations. Ihave even been put into space rockets and sent to explore the Moon and Mars,C,B,A,Task 3:(3m) Reading for deta
9、ils,1642:_1822: The analytical machine was made by Charles Babbage._:_1940s :_:The first family of computers was connected to each other.1970s:_Now :_ _,The computer began as a calculating machine.,The computer grew rapidly both in size and in brainpower.,1936,The computer had grown as large as a ro
10、om.,1960s,Computers were used in offices and homes.,Computers connect people all over the world,together,How does the article develop?,It is developed by time,The development of computer,changes,improvement in memory,new applications,Calculating machineAnalytical machine Universal machinePCLaptop,Tu
11、besTransistorsChipsNetworkWorld wide web,CommunicationsFinanceTradeRobotsMobile phonesMedical operationsSpace rockets,The structure of each paragraph,Topic sentence,Topic sentence,Topic sentence,Details,Details,Details,2m,What will the computer be like in the future?,Post-reading(2m): continue the a
12、rticle续写,Your suggestion for the future computer:,Your suggestion for the future computer:,In the future, I will be a magical Ultrabook(超级本). I am like a book without the keyboard and you can use me like turning a book . I also can roll up like a water bottle and you can carry me wherever you go.,Topic sentence,Details,Your suggestion for the future computer:,Homework,2. Read the article once again and underline the key、difficult words and expressions as well as sentences.,Improve your suggestions - make it well organized,揭阳二中 郑永丽,
