Unit3 Computers Warming up Speaking课件 新人教版必修2课件
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think of it a way of relaxing, even some of them consider playing computer games can raise their speed of thoughts. But if we cannot control ourselves properly, we will be lost in it, which can bring us much suffering.
4 A mouse is
5 A CD-ROM is 6 A hard disk is
Internet
school work games emails music and films chat information photos shopping
What can we do with computer/internet?
CPU
hard disc/disk chips/motherboard
CD / DVD-ROM CRT monitor
LCD monitor
keyboard
mouse
modem
floppy disc
USB flash disc
Label each part
1
2 6 3
5
4
1. monitor 2. screen 4. mouse 5. keyboard
What do they have in common?
What’s next?
What is a computer
• • • • A tool or a machine Need electricity Be used to deal with datas …… Computers are machines that can be used for performing calculations automatically. They can perform complex and repetitive procedures quickly, precisely and reliably and can quickly store large amounts of data.
be lost in/be addicted to（对…上瘾）
be lost in/be addicted to（对…上瘾）
• Nowadays,with the development of computer and its internet, more and more people,especially the young and the teenagers like playing computer games in their spare time. And also, more and more different kinds of the games have appeared in the internet. • There's a big problem that lots of our students are lost in net. In my opinion, what make us addicted into it is for our stress from our study. So we need to take the other exercise instead of it. For example,we can playing basketall after class or with friends walking the dog. Of course, the help from our school and perents are necessary. In one word, we must treat the study at first!
Homework
For us students, is computer more beneficial or more harmful? Computer, Friend or Enemy
3. CD-ROM 6. hard disk
Match the words with their meanings.
1 A monitor is
2 The screen is 3 A keyboard is (a) the part of a computer that stores information. (b) the part of the computer that you type on. (c) the part of the computer that looks like a television (d) something you use to click on things (files, etc.). (e) the part of the monitor that you look at. (f) The main device that a computer uses to store information.
4 A mouse is
5 A CD-ROM is 6 A hard disk is
Internet
school work games emails music and films chat information photos shopping
What can we do with computer/internet?
CPU
hard disc/disk chips/motherboard
CD / DVD-ROM CRT monitor
LCD monitor
keyboard
mouse
modem
floppy disc
USB flash disc
Label each part
1
2 6 3
5
4
1. monitor 2. screen 4. mouse 5. keyboard
What do they have in common?
What’s next?
What is a computer
• • • • A tool or a machine Need electricity Be used to deal with datas …… Computers are machines that can be used for performing calculations automatically. They can perform complex and repetitive procedures quickly, precisely and reliably and can quickly store large amounts of data.
be lost in/be addicted to（对…上瘾）
be lost in/be addicted to（对…上瘾）
• Nowadays,with the development of computer and its internet, more and more people,especially the young and the teenagers like playing computer games in their spare time. And also, more and more different kinds of the games have appeared in the internet. • There's a big problem that lots of our students are lost in net. In my opinion, what make us addicted into it is for our stress from our study. So we need to take the other exercise instead of it. For example,we can playing basketall after class or with friends walking the dog. Of course, the help from our school and perents are necessary. In one word, we must treat the study at first!
Homework
For us students, is computer more beneficial or more harmful? Computer, Friend or Enemy
3. CD-ROM 6. hard disk
Match the words with their meanings.
1 A monitor is
2 The screen is 3 A keyboard is (a) the part of a computer that stores information. (b) the part of the computer that you type on. (c) the part of the computer that looks like a television (d) something you use to click on things (files, etc.). (e) the part of the monitor that you look at. (f) The main device that a computer uses to store information.