高一英语必修2Unit3Computers全单元教案

高一英语必修2Unit3Computers全单元教案

人教版高一英语必修2 Unit3 Computers全单元教案

Unit 3 Computers Period 1: Listening & Speaking GOALS: 1.

To practise listening comprehension. 2.To practise making

decisions and reasoning TEACHING PROCEDURES: 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information． Sometimes it is out of date． 3.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 expression_r_rs. I think that…. In my opinion, …. I

believe that…. I agree because…. I disagree because…. I’ve

decided that…. 2) (group work): Discussion : Computers are

useful and have brought us lots of good things, but they also

cause bad effects. What attitude should we have towards the

computer? (Make good use of it but never get trapped by it.)

Step4. Speaking 1. Pre-speaking Say: From what we have learn,

we should admit that computers and the web have a great

influence on the school education as well as people’s life. It has

come into people’s everyday life and many families hold

computers in their homes. Now there is a task for you. 2. While-speaking 1) Situation: You have been asked by your parents to

help choose computers for your home. You and your friend have

looked at several computers. Talk about the special things each

computer can do. Make a decision about which kind of computer

to buy and explain why. Information input: Show students some

pictures of different computers (desktop computer & laptop

computer & …) Language input: Useful expression_r_rs (Repeat it

to strengthen students’ ability of use it.) Supporting an

opinion Challenging an opinion I think that … , because …

Perhaps, but what if / about …? First, … Have you thought about …? One reason is that … What makes you think that …? I

think it is better because… I don’t like it because…. (Pair

work )Use the expression_r_rs to support your opinion or

challenging other’s opinions. 2) Oral report: (individual work )

Do an oral report to your father and start your report like this: I

looked at many different computers. The one I have chosen is the

PEP personal computer. One of the main reasons is that it is

suitable for homes. I found that… 3. Post-speaking Conclusion—What useful expression_r_r do we use to make a decision and

reason? (In this way, they can review and use the words and

phrases again.) Step5. Homework Page 22. writing: Write a report

about your choice and try to use the present perfect passive

voice as well as the useful words and expression_r_rs that have

been mentioned above. in your report. Period 2: Reading

and speaking & Writing Goals: 1. Learn a reading passage to

learn about a football android called Andy. 2. Improve

students’ reading ability. 3. Design an android. 4. Write

a passage about the problems that the android might have while

he/she is serving people. Teaching procedures: Step1: Lead-in

Show the first picture and tell the students that computers could