Unit3Computers教案

1、精品教案設(shè)計(jì)資料Unit 3 Computers教案Unit 3 Computers The 4th period: Liste ning & Speak ing GOALS: 1. To practiseliste ning comprehe nsion. 2.To practise making decisi ons and reas oningTEACHING PROCEDURES: Step1. revision 1. check the homework exercises. 1). It hasbeen reported that children will be offe

2、red free education錛?It has been reported that freeeducation will be offered to children錛?2). It has been said that we will be offered the latestcomputer scie nee course book錛?It has bee n pla nned that the latest computer scie neecourse book will be offered to us錛?3). I have bee n told by Peter that

3、 I will be lent his notebook computer for a week錛?I have bee n told by Peter that his no tebook computer willbe lent to me for a week錛?2. Questi on: What can computers be used as? Step2. Lead-in As we know, scie nee and tech no logy is develop ing very fast and computers havebecome smaller and small

4、er. They have been used in many fields. So, the 21st century isthe century of information tech no logy What does it mean? Does in formati on tech nology/ IT only mean things like computers? Of cause not. Actually, it means more tha ncomputers. Computers are just one kind of IT. What else do you know

5、 is part of IT? (TV,radio, CD-ROM, DVD, books鈥？Step3. Listening (SB) 1. Pre-listening: What arethe changes brought by differe nt forms of IT ? What are the adva ntages and disadvantages of them ? 2. While-listening: Go through the chart and make sure the students lookat the chart before they listen

6、to the tape. (This is to sharpen their attention and listen forthe answers. This will also help them get the gist of the text.) Then Listen to the tape andfin ish filli ng in the chart. (If n ecessary, play the tape for several times.) Say: After listening to their talk, we know all kinds of IT have

7、 both disadva ntages and advantages錛嶭et鈥檚check the answers together. Type of IT Advantages Disadva ntages TV You can bothliste n and watc錛？You cannot write to friends錛？Web You can find in formati on錛？lt is very expe nsive錛？Radio You can liste n to En glish錛?You cannot watch a film錛？精品教案設(shè)計(jì)資料Book You

8、can get in formation錛?Sometimes it is out of date錛？3. Post-listening: 1) (pairwork): decide which type of IT is best for you to use right now. Make your choice and giveyour reas ons by using the follow ing expressi on s. I thi nk that鈥? In my opi nion,欽? Ibelieve that欽? I agree because鈥?I disagree b

9、ecause鈥? I鈥檝e decided that欽? 2) (group work): Discussion : Computersare useful and have brought us lots of good thi ngs, but they also cause bad effects. Whatattitude should we have towards the computer? (Make good use of it but never get trappedby it.) Step4. Speaking 1. Pre-speaking Say: From what

10、 we have lear n, we should admitthat computers and the web have a great in flue nee on the school education as well aspeople鈥檚life. It has come into people欽檚everyday life and many families holdcomputers in their homes. Now there is a task for you. 2. While-speaking 1) Situation: Youhave been asked b

11、y your parents to help choose computers for your home. You and yourfrie nd have looked at several computers. Talk about the special thi ngs each computercan do. Make a decisi on about which kind of computer to buy and expla in why .In formation in put: Show stude nts some pictures of differe nt comp

12、uters (desktop computer &laptop computer &欽? Lan guage in put: Useful expressi ons (Repeat it to stre ngthe nstude nts欽?ability of use it.) Support ing an opinion Challe nging an opin io n I thi nk that欽?, because欽?Perhaps, but what if / about欽? First,欽?Have you thought about欽？One reason is

13、that欽?What makes you think that欽？I think it is better because欽?I don欽檛like it because欽? (Pair work )Use the expressions to support your opinion orchallenging other欽檚opinions. 2) Oral report: (individual work ) Do an oral report to yourfather and start your report like this: I looked at many differe nt computers. The one I havechose n is the PEP pers onal computer. One of the mai n reasons is that it is suitable forhomes. I found that鈥?3. Post-speaking Conclusiodk昗hat useful expression do we useto make a decision and reason? (In this way, they can review and use the words andphrases aga in.)