英语：Chapter2《Computers》Reading课件(1)（牛津沈阳版九年级上）

1、What do we use them to do?the monitorthe keyboardthe floppy disk and the CD-OMthe mousethe speakersthe main unitwe useThe monitor shows words and pictures.You use the keyboard for typing in information.The floppy disk and the CD-OM store information.The mouse helps you to control the computer.We can

2、 hear the sound from the speakers.The main unit contains all the computers electronics.We put disks into the drives in the main unit.1. What can computers draw?2. What important jobs can computers do?3. There may be tiny computers in your home. Give some examples.4. What things can a human brain do

3、better than a computer?5. Whose jobs may computers do better than people in the future?6. How may computers change our lives a lot in the future?Can you answer these questions?Can you answer these questions?What can computers draw?Diagrams and graphs.What important jobs can computers do?Operating ra

4、ilways.Flying aeroplanes/Flying spaceshipsThere may be tiny computers in your home. Give some examples.Inside your TV set/telephonewashing machine.Can you answer these questions?What things can a human brain do better than a computer?Whose jobs may computers do better than people in the future?How m

5、ay computers change our lives a lot in the future?Creating new ideas.A doctors /judges/teachers job.We may have nothing to do.Do you know where computers may be?They may be inside some machines in our homes. Computers are hidden helpers.Not so many years ago. you hardly ever saw computers. Now they

6、are everywhere.hardly ever 几乎不几乎不他几乎不吃肉。他几乎不吃肉。He hardly ever eats meat. here and thereI _ have breakfast in the morning. Its bad for my health.A.usually B.always C.hardly ever D. often seldom seldomThere may also be tiny hidden computers in your home that you are unaware of.1.Do you think there are

7、 some _ viruses(病毒病毒) in your computer?（hide)be unaware of 不知道的不知道的, , 没察觉到的没察觉到的be aware of 注意到注意到She was unaware of the danger.他没意识到危险。他没意识到危险。dont know abouthiddenThere may be one inside your TV set, telephone or washing machine._there _ one inside your TV set, telephone or washing machine.Maybe

8、she will come.It may be true.So maybe you depend on computers more than you realize.Children depend on their parents for food and clothing. 小孩依赖他们的父母供给衣食。小孩依赖他们的父母供给衣食。V.意识到意识到 understandneedneedMaybeisHe is a reporter. He _ (depends ,depends on) computers in his work.The students _ the important of

9、 learning English already.A.realize B. has realized C. realized D. have realizeddepends onWhat kind of jobs can a computer do?They can do important jobs like flying spaceships.It is common knowledge that computers are super calculators.众所周知的事情众所周知的事情Computers are super calculators. They can calculat

10、e very fast and they can do the calculation accurately. something known by most people something known by most peopleThey can calculate very fast and rarely give wrong answers.adv.adv.很少。表否定很少。表否定 =seldom=seldom他年纪大了，很少外出。他年纪大了，很少外出。He is old and rarely goes out.He is old and rarely goes out.Our his

11、tory teacher is very popular because he _ Our history teacher is very popular because he _ gives wrong answers. (rare)gives wrong answers. (rare)They can also type, print and draw things like diagrams and graphs. . rarely simple drawingThey can teach you and play games with you.More importantlyMore

12、importantly ,they can ,they can operateoperate railways (like the railways (like the underground ) and fly aeroplanes and spaceships.underground ) and fly aeroplanes and spaceships.make it workFor these reasons, we often call them electronic brainsoperate operate 还常常作不及物动词用，作还常常作不及物动词用，作“ “ 动手术动手术”解

13、，常解，常与介词与介词on on 连用连用。It was said that the doctor operated on the injured man yesterday.据说医生昨天给那位受伤的人作了手术。据说医生昨天给那位受伤的人作了手术。 I called him last night. The teacher called out the childrens names. Lets call on John at Johns house. 表示看望或拜访某人，后接介词表示看望或拜访某人，后接介词 on on 或或 uponupon； 表表示到某地拜访，后接介词示到某地拜访，后接介词

14、 at at。 Are computers at present cleverer than people?The answer to this question is, for the time being, No. Your brain can understand the meaning of things better and create new ideas. However, one day computers may be able to do most things that a human brain can do and do them better. They may be better than doctors, judges and teachers at doing their