高二英语
教案 unit 3 the world online
welcome to the unit
teaching aims:
1. enable the students to know more about the internet and talk about the internet and its uses by making a debate on the effects of the internet on our lives;
2. develop the students’ speaking and discussing skills by talking about the four pictures and sharing ideas in a group;
3. have a fluent talk on that the internet connects people all over the world and that the internet has both positive and negative aspects.
teacing procedures:
step 1 lead-in learn about “computer terms”.
(1) which programme would you like to watch tonight?
→a program is something that we use to control or operate a computer.
(2) the music from the keyboard sounds like music from a real piano.
→a keyboard is a set of keys on a computer that help you operate the computer.
(3) i hate to clean windows.
→windows is a kind of computer program developed by microsoft.
(4) memory is something you may start to lose with age.
→memory is a space in the hard drive of a computer to store information.
(5) julie wants to have a pet mouse.
→mouse is what you control with hand to move the cursor on the computer screen.
step 2 brainstorming
1.do you know how people kept in touch with each other in the past?
→people used letters, postcards, telegraphs, faxes and telephones to communicate before the invention of the internet.
2. then how people keep in touch with each other now?
→with the development of the internet, more and more people are now using computers and the internet for communication.
3.what is the internet?
→the internet is a collection of computers connected in a worldwide network.
4. what are the functions of the internet? →chatting, shopping, music, etc.
5. what are your experiences using the internet?
step 3 pictures talking
picture 1
1.what can people do on this website?(search for information on a variety of topics. )
2. what do we call this kind of website that provides searching services?
(we call it search engine.)
3.how to find information on the internet using a search engine? (enter key words.)
4. what search engines do you know or often use? (google, baidu.)
