九年級英語上冊Unit4AmazingScienceTopic3ChinaisthethirdnationthatsentapersonintospaceSectionC課件（新版）仁愛版

1、China is the third nation that sent a person into space. Lets watch a video.Whats it about?What can we know from it?2. Take notes and answer questions:The Internet has changed our world a lot.The whole world is connected.The Internet is making the world smaller,like a village. 1. Tick the fields we

2、use the computer in. education business industry communication daily life medical care entertainment sports Make predictionsbased on what you know. 1a2. Give an example of its use. education business industry communication daily life medical care entertainment sports 1aWe were having a class meeting

3、 with the help of the computer. find diseases easily find diseases easily 2. What are computers used for? education business industry communication daily life medical care entertainment sports Computers are important.The Importance of Computers theThe Importance of Computers Computers are important

4、in our lives.Guess the main idea from Where is usually the topic sentence in a paragraph? Skim the passage and underline the of each paragraph!The topic sentence is usually The topic sentence is usually Three minutes for you!Three minutes for you! 1. Since computers were invented in the USA in the 1

5、950s, they have become very important in many areas of work and leisure. 2. Since the Internet came into being, peoples lives at home have been changed, too. 3. Computers have improved our lives, but they have brought problems, too. The Importance of Computers . Try to find the of the passage when r

6、eading. usageproblem Para.1 Para.2 Para.3 Place The usage of computers control the speed and directionfind diseases easily and solve other problemsdo dangerous workplace and cancel orders Scan and underline the to complete the table. In space In business In factories In hospitals in workTwo Two minu

7、tesminutes. Nouns, verbs and adjectives are usually key words. 讀書對人類有益是毫無疑問的。讀書對人類有益是毫無疑問的。doubt n. & v. 懷疑，疑惑懷疑，疑惑There is no doubt that.毫無疑問毫無疑問There is no doubt that computers are very useful in technology and business. (Para.1 Line2)There is no doubt that reading is good for humans.5 5. Read

8、 . Read Para.2 & 3 Para.2 & 3 and and complete the diagramcomplete the diagram: : 1b Page 102daily life play games and _. _ and _ at home. _ by sending e-mails and _. watch movies do shopping do businesscommunicate chatting online problem get headaches or _. dont have enough time _. somethin

9、g on Internet is not _.sore eyesto study or exercise true or goodWhat kind of words or expressions are useful when giving examples?“for example”, “for instance” and “besides” are helpful when giving examples.There minutes for you!There minutes for you! ? besides意為意為“除除之外（之外（包括在內包括在內）”except意為意為“除除之外

10、（之外（排除在外排除在外）”。 如：如： Besides, not everything we read on the Internet is true or good for us. (Para.3 Line4)I have another blue pen besides this one.除了這支外，我還有另一支藍色鋼筆。（除了這支外，我還有另一支藍色鋼筆。（1+1，共，共2支支）我們都通過了考試，湯姆除外。（所有人中我們都通過了考試，湯姆除外。（所有人中湯姆一人不及格湯姆一人不及格）We all passed the exam except Tom. 6. The outline(框架

11、框架) of 1a. The Importances of Computers usageproblemwork daily lifecontrol the speed and direction of a spaceship. help doctors find diseases easily and solve other problems. control the robots in factories. help businessmen place and cancel orders.play games and watch movies. do shopping and do bus

12、iness at home. communicate by sending e-mails and chatting online. get headaches or sore eyes. dont have enough time to study or exercise. something on Internet is not true or good.Computers help us at work and at home, but they must be used properly.Retell it!a passage topic sentence mind map title

13、 key words How often do you use the computer ? Often. Sometimes. Seldom. .2. What do you often do on the computer? Do some shopping. See movies. Play games. 3. What do you think of the computer ? Useful. Important. 4. Do you think the computer is good for us ?5. Whats your advice on using computers

14、for your classmates ? chat onlinedo shopping onlinedo business online watch games book tickets search for information be bad for eyeshave no time to spend with familyhave a risk of depression2After discussion, you had better write down the result in the form of a passage. The Computer 引出話題引出話題 用處用處

15、弊端弊端 你的建議你的建議 title topic sentence examples mind map We learn: 1. Some words: doubt, cancel, connect , besides 2. Some phrases: no doubt, for instance 3. Some sentences: (1) There is no doubt that computers are very useful in technology and business. (2) Besides, not everything we read on the Internet is true or good for us.We can: 1. Talk about the importance of computers. 2. Write the composition The Computer after discussion.1. Retel