广东省惠州市惠东县惠东荣超中学高中英语 Unit3 Computer第1学时Warming up and reading学案 新人教版必修2.doc

广东省惠州市惠东县惠东荣超中学高中英语 Unit3 Computer第1学时Warming up and reading学案 新人教版必修2‎ ‎〖单元导航〗‎ Let's do a guessing game. “Who am I?”‎ With me you can watch different programmes just at home. I’m a machine that has a screen with moving pictures and sounds. But watching me too much is bad for your eyes. ‎ I am a machine which moves very fast on four wheels. You need a license(执照) and must be very careful when you drive me. Rolls Royce, Benz and BMW are some famous kinds of me. ‎ I am a machine which is a good helper in doing house work. I wash clothes for people. Who am I?‎ A machine that you use to talk to other people even in a far-away place. We are connected by wire or radio. Now each of us often has a number. Who am I?‎ It is a machine, which you can use to type your homework, draw pictures, play games, watch movies, listen to music, communicate with your friends, gather information…‎ ‎ It is a kind of computer which can be taken conveniently like a notebook.‎ Discussing:What do they have in common?‎ ‎(TV set ) (Car) (washing machine) (telephone) (Computer) (laptop)‎ Period 1: Warming up and Skimming Step1. Pr-reading ‎1. Make a survey on “what do you use computer for?” among your classmates and write down the results.‎ ‎__________________________________________________________________________________________________________________________________________‎ Step2‎ ‎1.Find out the answer ‘Who am I?‎ ‎_____________________________________________________________‎ ‎2.What’s the main idea of the text?‎ ‎_____________________________________________________________‎ Step3 Fast-reading ‎1 Finish Ex.1 on page19‎ ‎1642:_____________________________________‎ ‎1822:The Analytical Machine was made by Charles Babbage.‎ ‎____: _______________________________‎ ‎ ‎ ‎1940s:_________________________________‎ ‎_____: The first family of computers was connected to each other. ‎ ‎1970s:_________________________________‎ 2‎ Now: _____________________________________‎ Step4. Read the passage and find out the topic sentence of each paragragh Paragraph 1 ‎ Paragraph 2 ‎ Paragraph 3 ‎ Step5. Debate Topic ‎ The Internet ‎ Advantages:‎ Disadvantages:‎ Step7. Homework: ‎ Review the passage. Find out the new words and difficult expressions.‎ ‎〖学习反思〗‎ ‎ ‎ KEY:‎ Step1. (略)‎ Step2.‎ ‎1. Computer 2 The development and use of computers Step3:‎ ‎1642 The computer began as a calculating machine． ‎ ‎1822 The Analytical Machine was made by Charles Babbage. ‎ ‎1936 Alan Turing wrote a book to describe how computers could be made to work． ‎ ‎1940s Computers had grown as large as a room. ‎ ‎1960s The first family of computers was connected to each other ‎ ‎1970s Computers were used in offices and homes． ‎ Now Computers connect people all over the world together. ‎ Step4: ‎ 2‎