高中英语 Period1 Reading优秀教案 新人教版必修2

用心 爱心 专心1 PeriodPeriod 1 1 ReadingReading TheThe GeneralGeneral IdeaIdea ofof ThisThis PeriodPeriod This period includes Warming up Reading and Comprehending of Unit 3 It introduces the history and development of computers From this period the students will learn more about computers Meanwhile they can learn some reading strategies such as skimming and scanning TeachingTeaching AimsAims 1 Train the students reading ability 2 Learn some useful words and expressions 3 Learn more about computers TeachingTeaching ImportantImportant PointsPoints 1 Help the students to understand the passage better 2 Learn how to use some important words and phrases in this passage TeachingTeaching DifficultDifficult PointsPoints 1 How to help the students improve their reading ability and understand the passage better 2 Learn how to use some important words and phrases in this passage TeachingTeaching MethodsMethods 1 Skimming the passage to get the general idea of the text 2 Scanning to get the details from the passage 3 Explanations and practice to help the students master some language points 4 Discussion to help the students understand better what they ve learned and to use the knowledge they ve learned in this period TeachingTeaching AidsAids 1 A tape recorder 2 A multimedia TeachingTeaching ProceduresProcedures Step 1 Warming up 1 Greeting the students as usual 2 Introduce the topic of computers Show the five pictures an abacus a huge computer a calculator a PC a notebook computer and get the students name them in English Through this task students can have a general idea about what they are going to learn Besides students are expected to have a discussion about what they have in common while looking at them And they are required to use the given expressions in their discussion to express their ideas T Boys and girls today I am going to introduce some machines to you Now let s see whether you can name them in English correctly and talk about them Now work together with your partners and try to find out what they have in common 用心 爱心 专心2 Two minutes late five students are asked to talk about them in class S1 An abacus is an old calculating machine used in China until now S2 A huge computer is built to solve some mathematical problems But in my opinion it is too big S3 A calculator is a new calculating machine which can solve a large number mathematical problems And I think it is very convenient to carry and use so we often use it S4 A PC is a personal computer which can solve all kinds of problems and is widely used in offices schools shops at homes etc now S5 A notebook computer is a kind of useful computer which can be taken conveniently like a notebook But I think it is too expensive T Quite good It seems that you are all quite familiar with these machines But can you tell what they have in common Any volunteers S6 Let me try I think they all calculate something They can deal with some maths problems S7 I believe that they are our good friends With their help we can finish our work quickly S8 The 21th century is the century of information technology As middle school students we should try to learn how to use computers T Well your opinions are all right Indeed these machines all can calculate something What s more from the abacus to the notebook computer there is a long way But now computers have already changed our lives greatly But do you know more about computers and can you say something about how computers have changed our lives Step 2 Pre reading Show the questions on the screen T Now please have a discussion first and then I ll ask some students to report your work After a few minutes T Now who would like to answer the first question Volunteer 用心 爱心 专心3 S9 I ll have a try I know that computers have developed from large machines They have been made smaller and smaller but work faster and faster I really can t imagine what they will be like and whether they can take the place of human beings in the future T Yes this is really a big problem I think you are all interested in computers you may go on studying computers and perhaps one day you will design your own computers and become the masters of computers OK Next question S10 I think computers have changed our lives greatly We use computers widely in our study in our work You are using the computer to teach us English aren t you S11 In my opinion in the modern society using the computers means grasping a tool of controlling the world We may communicate with each other from a very long distance In short we can not live freely without them T I agree with you The computers are becoming more and more important in our lives But learning more about computers is also important isn t it OK let s come to the reading passage Who am I Step 3 Reading Task 1 Skim the passage for the general idea T Boys and girls you will be given two minutes to skim the passage and try to find out who I am and get the general idea of this passage After two minutes T Time is up Who would like to tell us who I am and give the general idea of the text to the class Volunteer S12 Of course I am the computer The passage is mainly about the history and development of computers S13 The passage is also about the relationship of computers and humans Task 2 Scan for the details T Boys and girls you will be given two more minutes to scan the passage and try to find out the answers to the following questions Let s see who can find out the answers most quickly and correctly 1 Where were you in 1642 2 What happened to you in 1822 3 What were you called in 1936 4 What did you get in the 1960s 5 What happened to you in the 1970s T Have you finished S14 I have I was in France as a calculating machine in 1642 In 1822 I was built as an Analytical Machine by Charles Babbage I was called a universal machine in 1936 as I could solve any mathematical problem In the 1960s I was given a family connected by a network so that I could share information with others and we could talk to each other In the 1970s I was brought into people s homes T You are so quick minded that in such a short time you could find out all 用心 爱心 专心4 the answers to the questions Your mind really works like a computer Step 4 Comprehending Task 3 Fill in the timeline to remember the facts T But can you memorize facts like a computer I am afraid you can not But let s try to remember the facts in the passage by filing in the timeline on Page 19 which I am sure will help you remember the facts easily Suggested answers 用心 爱心 专心5 Timeline 1642 The computer began as a calculating machine 1822 The Analytical Machine was built by Charles Babbage 1936 Alan Turing wrote a book to describe how computers could be made 1960s Computers had new transistors and became smaller 1960s The first family of computers connected to each other 1970s Computers were brought into people s homes Now Computers connect people all over the world together T Have you finis