Unit 4 Computers Reading课件
文档属性
| 名称 | Unit 4 Computers Reading课件 |  | |
| 格式 | zip | ||
| 文件大小 | 1.7MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 牛津上海版（试用本） | ||
| 科目 | 英语 | ||
| 更新时间 | 2017-09-16 12:08:18 | ||
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文档简介
课件17张PPT。Unit 4 ComputersReadingI am very old now. I was born in China. Many people used me for calculating in the past, but now I am a bit lonely because they don’t like me now.
Do you know who I am?abacusRiddles (谜语)Lead-inI am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems.
Do you know who I am?calculatorPC
Personal ComputerI’m a small, relatively inexpensive computer designed for an individual user. I’m based on the microprocessor technology. At home, people use me to
surf the Internet and play games.
Do you know who I am?abacuscalculatorPCA sub-heading usually tells us the topic of the paragraph(s) below it.sub-headings Computers are getting smaller and better.
2. Computers can do important jobs like flying planes.
3. Computers may work as doctors.
4. Computers are expensive.P34BComputer factsCheck your answer!Smaller and betterWhat can we do with computers?Is a computer cleverer than me?B Before you readLook at the pictures, the title and the sub-headings of the article on page 35. Then tick (√) the facts that the article probably talks about.√√√Computer factsReadingRead the passage and answer the questions.1. When was the first computer invented?
2. Were computers big or small in the 1940s?
3. Who can calculate at a faster speed, a man or a computer?
4. What important jobs can a computer do?
5. Why can’t computers be cleverer than us? 1. In the 1940s.2. They were big.3. A computer.4. It can operate railways and fly planes and spaceships.5. Because our brains can produce new ideas but computers can’t. ①②③④⑤Read the first part of the article and complete the table below.Smaller and betterbigger than carssmaller and betterThere is probably one inside your TV or washing machine.You depend on computers more than you realize.Read the second part of the article and complete the table below.What can we do with computers?calculatecalculate at a faster speed than we canalmost never give wrong answerstype and draw thingsdo important jobsoperate railwaysfly planesfly spaceshipsRead the third part of the article and complete the table below.Is a computer cleverer than me?No.Human brains can produce new ideas but computers cannot.They may be able to do a better job than human beings.We may have nothing to do.1 What does the word “one” in line 6 refer to?
2 How many uses of computers have mentioned in part 2?
3 What does “them” refer to in the last line?A tiny computer. Computers can calculate, type and draw
things and do important jobs. Our lives. Fill in the blanks. In the 1940s, the first computers were bigger than cars. Now they are getting smaller and _______. Some computers are ________. They’re in your TV or washing machine. Computers can calculate at a faster ______ and almost never give wrong answers. We can also type and _____ things _______ them.
In ______, computers can _______ railways and fly _______ and ______. But they are not _____ than people, because humans can produce _________. However, one day computers may _____ our lives, but will they make them better?Do you depend on computers a lot in your daily life? Give examples.Do you agree that computers will be able to do all our jobs in the future? Give reasons.HomeworkLearn new words and phrases by heart after class.
2. Read the articles in Learning English. The more you read, the faster and better you’ll understand.
3. Preview Listening on page 38.
Do you know who I am?abacusRiddles (谜语)Lead-inI am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems.
Do you know who I am?calculatorPC
Personal ComputerI’m a small, relatively inexpensive computer designed for an individual user. I’m based on the microprocessor technology. At home, people use me to
surf the Internet and play games.
Do you know who I am?abacuscalculatorPCA sub-heading usually tells us the topic of the paragraph(s) below it.sub-headings Computers are getting smaller and better.
2. Computers can do important jobs like flying planes.
3. Computers may work as doctors.
4. Computers are expensive.P34BComputer factsCheck your answer!Smaller and betterWhat can we do with computers?Is a computer cleverer than me?B Before you readLook at the pictures, the title and the sub-headings of the article on page 35. Then tick (√) the facts that the article probably talks about.√√√Computer factsReadingRead the passage and answer the questions.1. When was the first computer invented?
2. Were computers big or small in the 1940s?
3. Who can calculate at a faster speed, a man or a computer?
4. What important jobs can a computer do?
5. Why can’t computers be cleverer than us? 1. In the 1940s.2. They were big.3. A computer.4. It can operate railways and fly planes and spaceships.5. Because our brains can produce new ideas but computers can’t. ①②③④⑤Read the first part of the article and complete the table below.Smaller and betterbigger than carssmaller and betterThere is probably one inside your TV or washing machine.You depend on computers more than you realize.Read the second part of the article and complete the table below.What can we do with computers?calculatecalculate at a faster speed than we canalmost never give wrong answerstype and draw thingsdo important jobsoperate railwaysfly planesfly spaceshipsRead the third part of the article and complete the table below.Is a computer cleverer than me?No.Human brains can produce new ideas but computers cannot.They may be able to do a better job than human beings.We may have nothing to do.1 What does the word “one” in line 6 refer to?
2 How many uses of computers have mentioned in part 2?
3 What does “them” refer to in the last line?A tiny computer. Computers can calculate, type and draw
things and do important jobs. Our lives. Fill in the blanks. In the 1940s, the first computers were bigger than cars. Now they are getting smaller and _______. Some computers are ________. They’re in your TV or washing machine. Computers can calculate at a faster ______ and almost never give wrong answers. We can also type and _____ things _______ them.
In ______, computers can _______ railways and fly _______ and ______. But they are not _____ than people, because humans can produce _________. However, one day computers may _____ our lives, but will they make them better?Do you depend on computers a lot in your daily life? Give examples.Do you agree that computers will be able to do all our jobs in the future? Give reasons.HomeworkLearn new words and phrases by heart after class.
2. Read the articles in Learning English. The more you read, the faster and better you’ll understand.
3. Preview Listening on page 38.