【5A文】八年级英语Modern machines Reading---课件
36页1、Unit 3 Modern machines,Can you name some electric machines,radio,iron,electric fan,rice cooker,TV set,vacuum cleaner,washing machine,ice box,/ refrigerator / fridge,air conditioner,camera,computer,telephone,Reading,Before you read about computers, look at the pictures below and try to write the names to complete the sentences.,A What do you know about?,monitor,main unit,speaker,mouse,keyboard,micro-phone,floppy disk,CD-ROM drive,/ DVD-ROM drive,drive,1. The _ shows words and pictures. 2. You use
2、 the _ for typing in information. 3. The _ _ records information. 4. The _ helps you control the computer. 5. The _ _ contains all the computers electronics. 6. We can hear the sound from the _. 7. We put _ into the _ in the main unit.,monitor,keyboard,floppy disk,mouse,main unit,speakers,CDs,CD-ROM,COMPUTERS,Lets learn some technical words associated with computers:,PC laptop virus,personal computer,small, portable personal computer,something which gets into a program and damages it,COMPUTERS,d
3、ata file network,information,a collection of data stored together,a system that links two or more computers together,COMPUTERS,software hardware command,programs,the monitor, keyboard, drives, etc.,an order to the computer,COMPUTERS,e-mail modem multimedia,electronic mail,a device which links the computer to the telephone system,a combination of sound, moving pictures and text,2. unaware of (adj.) P2,not knowing about,e.g. The student was unaware of his mistake.,1. hardly ever (adv.) P1,almost n
4、ever,e.g. We hardly ever get frost in Shenzhen.,Vocabulary,3. dependent (adj.) P2,needing someone or something,e.g. You should not be dependent on your parents all the time.,4. realize (v.) P2,notice; know about,e.g. I didnt realize you were going to leave.,Vocabulary,5. rarely (adv.) P3,not often; seldom,e.g. People rarely eat snakes in the UK.,6. diagram (n.) P3,a line drawing that shows how something works,e.g. Science books contain a lot of diagrams.,Vocabulary,7. operate (v.) P3,control; ke
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