高中英语必修2《Unit 3 Computers》教案Word格式下载

高中英语必修2《Unit 3 Computers》教案Word格式下载

教学准备

教学目标

1. To practise listening comprehension.

2.To practise making decisions and reasoning

教学重难点

1. To practise listening comprehension.

2.To practise making decisions and reasoning

教学工具

课件

教学过程

Step1. revision

1. check the homework exercises.

1). It has been reported that children will be offered free education.

It has been reported that free education will be offered to children.

2). It has been said that we will be offered the latest computer science course book.

It has been planned that the latest computer science course book will be offered to us.

3). I have been told by Peter that I will be lent his notebook computer for a week.

I have been told by Peter that his notebook computer will be lent to me for a week.

2. Question: What can computers be used as?

Step2. Lead-in

As we know, science and technology is developing very fast and computers have become smaller and smaller. They have been used in many fields. So, the 21st century is the century of information technology What does it mean? Does information technology/ IT only mean things like computers? Of cause not. Actually, it means more than computers. Computers are just one kind of IT. What else do you know is part of IT?

(TV, radio, CD-ROM, DVD, books……)

Step3. Listening (SB)

1. Pre-listening: What are the changes brought by different forms of IT ?

What are the advantages and disadvantages of them ?

2. While-listening:

Go through the chart and make sure the students look at the chart before they listen to the tape. (This is to sharpen their attention and listen for the answers. This will also help them get the gist of the text.) Then Listen to the tape and finish filling in the chart. (If necessary, play the tape for several times.)

Say: After listening to their talk, we know all kinds of IT have both disadvantages and advantages.Let’s check the answers together.

Type of IT Advantages Disadvantages

TV You can both listen and watch. You cannot write to friends.

Web You can find information. It is very expensive.

Radio You can listen to English. You cannot watch a film.

Book You can get information. Sometimes it is out of date.

3. Post-listening:

1) (pair work): decide which type of IT is best for you to use right now. Make your choice and give your reasons by using the following expressions.

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