八年级英语chapter 4-new课件深圳牛津版 课件VIP免费

CD-ROMDVD-ROMspeakersmonitorkeyboarddrivesflash diskmousetype 打字print 打印train 火车railway 铁路ballpoint pen  圆珠笔judge 法官 What kind of machines uses computers? How many electric machines are there in your home ? Do you have a computer at home ? Is it useful ? What do you do with the computer?LanguageListeningReadingSpeakingWritingMore practice Read Part A and B and circle the new words ,then try to find out the meanings of them.CD-ROMDVD-ROMspeakersmonitorkeyboarddrivesflash diskmouseVocabulary:1.The _________shows words and pictures. 2. We use the__________ for typing in information.3. The ____ _____ stores information.4. The_________ helps us control the computer. monitorkeyboardflash diskmouseVocabulary:5.We can hear the sound from the _________. 6. We put the__________or_________into the _______ .speakersCD-ROMdrivesDVD-ROMB Find the facts:Computers…1. may be inside some machines in our homes.2.can do important jobs like flying planes.3. are already cleverer than people.not cleverer There are three short texts typical of information leaflets or newspaper or magazine articles in this part. Listen to the tape and try to tell the main idea of each paragraph.NEW WORDS AND EXPRESSIONS:2. hide v. hidden1. tiny adj. small3. be unaware of– not knowing about e.g. The student was unaware of his mistakes.4. probably– adv. maybe; perhaps 5. calculator--n. small electronic deviceNEW WORDS AND EXPRESSIONS:6. dependent—adj. needing someone or something. depend ----v. 依赖 ; 依靠 (on)e.g. You should not be dependent on your parents all the time.7. realize--- v. notice; know about e.g. I did not realize you were right.8. rarely--adv. not often ;seldom9. diagram-- n. a line drawing that shows how sth. works.NEW W...