八年级英语Onlinetravel课件.ppt

Unit 3 Online Travel,Vocabulary,Free talk,What do you usually use your computer for?,searching for information,writing computer programs,drawing and designing,doing word processing,sending and receiving e-mails,playing games,Can you name different parts of a computer?,keyboard,mouse,screen,printer,monitor,Whats the name of the “cat” of a computer?,mouse pad pd,modem mudm,loudspeakers,hard disk,U-disk,floppy disk,CD- ROM,host computer hust,Different parts of a computer,printer,loudspeaker(s) host computer hust,Tell me their names as quickly as possible.,What can we use the different parts of a computer for?,What can we see on the screen?,We can use the screen for seeing. We can use the screen to see.,menu menju:,icon aikn,What can we use the different parts of a computer for? ( Talk in groups),mouse,click on icons,mouse pad,control the mouse more easily,keyboard,type taip,printer,print out something,modem,surf on the Internet,hard disk,store information,loudspeakers,host computer,listen to music, other sounds,turn on/off the computer,Practice:,A: Whats this? B: Its a keyboard. A: What can we use it for? B: We can use it for typing.,Make similar dialogues with your partners by using some other pictures.,“I am a part of a computer. I am colourful and beautiful. You can see pictures and words on me. Who am I?”,screen,Riddle Time!,“I am a part of a computer. I am colourful and beautiful. You can see pictures and words on me. Who am I?”,Complete the dialogue between Simon and Annie.,Simon: My new computer is much faster than the old one. I can type very easily, and the _ is very comfortable. Annie: How do you know what you should do when you look at the _? Simon : With the _ , you can choose one icon in the _ and click on it for more details.,keyboard,screen,mouse,menu,Annie :Oh, I see. How can your teacher read your homework on the computer? Simon :I can send him e-mails or print it out. Annie : Do you have a new _, too? Simon : Yes, and it prints very quickly.,printer,1.You use this set of keys for typing. 2.This can store more information than a floppy disk. 3.You move it with your hand to move the cursor on the screen. k:s 光标 4.You can see words and pictures on it. 5.A machine that puts your words and pictures onto paper.,Hard disk,Keyboard,Printer,Mouse,Screen,Test For Your Reaction!,a. My new k_ is very comfortable and I can type very easily. b. A computer has a s_ like TV and we can see words and pictures on it. c. If you move the m_ with your hand and you can see a c_ move on it. d. A h_ disk can store more information than