Unit 6:Computers

1. Unit 6:Computers 制作人： 俞春红

2. Before reading the passage, discuss these questions. • 1.The electronic computer is an important factor in our lives, isn’t it? Why? • 2.What areas are computers being used in now? • 3.Are you familiar with computers? • 4.Do you know the Chinese meaning of these words and phrases about computer? 1) display 2) modem 3) viruses 4) software 5) hardware 6) mouse 7) operating system 8) keyboard 9) programs 10) printer

3. Text Analysis The history of computer (Para.1) Computers play important roles in our lives (Para.2~4) The future of computer (Para.5)

4. Fill in the blanks after reading the passage. strange yes business governments institutions Not very long ago, the computer was a ______ machine. Not many people said _______ to it. The first computer system was introduced for use in ________ in the mid-1950s.Since then, the number of computer systems used in business, _________,and _________ has grown _________.Today the computer is an important _______ in our lives. We use it to collect _______ and provide us ______ information. Computers are not only used for banks, department stores, and governments but for many other purposes. The clothes you ______ are probably made _________________ a computer. The newspapers you read could have been ________ and _______ by a computer. Computers are used to ________ the weather, to _________ the ocean, and develop ______________.There is no reason to think that the use of computers will _________.Computers will become a greater part of our lives. rapidly factor data with wear with the help of edited typed predict examine defense system decrease

5. Language point

6. 1.say yes to: to agree with / to Has she said yes to this arrangement? They all said yes to what I had said. • 2.in use : being used Excuse me, is this telephone in use now? If this is not in use, I’d like to borrow it. • 3.tens of thousands : measuring number by the unit of ten thousand Tens of thousands of people visited that small town last year. The department store sells tens of thousands of dresses every summer. • 4.provide (…with) : to give, supply ( what is needed) Her parents provide her with everything she needs. He is provided with money and clothes.

7. 5.with the help of : with the aid of Tom finished reading that book with the help of a dictionary. The baby tried to walk with the help of her mother. • 6.play a role (in) : play a part (in) Teachers play important roles in education. She played an active role in the after-class activities. • 7.wrong : out of control, in a bad condition; not right Something is wrong with his heart. Your answer is wrong. • 8.go through : to examine carefully, discuss in detail He is ready to go through all the papers. Shall we go through the details of your plan tomorrow?

8. Look at the sentences and pay special attention to the lined words • 1.Have you ever stopped to think how you are affected by a computer? • 2.The newspapers you read could have been edited and typed by a computer. • 3.They are being used by businesses, governments, and institutions. • 4.Even radio programs are often prepared by computers. Passive Voice: be +Verb.p.p.(past participle)

9. Now do some exercises about the passive voice. Rewrite the following sentences by referring to the reading, paying attention to the passive voice. Example: Tens of thousands of people there speak Chinese. Chinese is spoken by tens of thousands of people there. 1.People introduced the first computer system in the mid-1950s. 2.Today we use computers for many purposes. 3. How does a computer affect you? 4.We use computers to predict the weather, to examine the ocean, and to develop defense systems. The first computer system was introduced in the mid-1950s. Today computers are used for many purposes. How are you affected by a computer? Computers are used to predict the weather, to examine the ocean, and to develop defense system.

10. Homework Please translate the passage into Chinese. Good luck!