试讲稿 人教版 英语 高中 必修二 Unit 3 Computers Good morning, teachers! I am No. One candidate, today I am applying for thesenior school English teacher. My topic is “computers”. Now let’s begin my class.Good morning, everyone, nice to see you! How are you? I am great! Thank you!Please look at the ppt, there are seven pictures here. What are they? Do youknow? The first one? Yes, it is an abacus. And then? Yeah, calculator. And how aboutthis one? Right, it is the first computer, we call it huge computer. And this? Yes, it’sPC, means personal computer. Here, it is laptop and it is very common these days.And we can carry this when we are out. So what’s this? Right, it is PDA. And it isvery popular. So how about the last one? Right, it is robot. Ok, now, I will show anypicture, and you should speak out the English work. Right, look at this picture, whoknows the English word? Right, it is calculator. Read after me, calculator, calculator.Good! And next picture? Yes, it is huge computer. It is so large. What’s this? Right,it’s abacus. And this? Good, it is laptop. Everyone loves it. Through looking at thesepictures, we can see that these devices have a common point. Do you know what it is?Tom, please! Well, very good! They are all computers, and do you know what the nextcomputer is like? Now I will give you several minutes to imagine that and draw it onthe paper. Then, show it to your partner. And at last, we will vote for the most creativeone. Now, you can start. So, time is up. Who can share your computer with us? Ok,Peter, carry your picture and come here to describe it for us! Wow, that’s amazing.And anyone who think your computer is better then Perter’s, please come here. Well,Mary, please! Wow, that’s wonderful. And anybody else? Ok, Jack! Wow, wonderful!Thank you! Go back to your seat! Which is the most creative one? Do you know? Oh,no, no, keep silence! I think they all did a nice job. Give applaud to them. Please look at the title of the passage, we can see that it is from the first personview describing the text. Now, what does this passage mainly talk about? Maybe we


can guess before we are going to learn the passage. There is a hint here, you can lookat the pictures on page 18. You can guess what the main idea of the passage is? Whocan tell us? Wang Ming, please! Do you agree with him? Yes, he is right. It mainlytalks about the computer. Now, you can think about on what aspects computer is usedin our daily life. Maybe you can write down and show your partner. Jim, could youplease talk something about this? Well, very good! Thank you! The computer plays animportant role in our daily life. For example, we work via computer. We contact ourfriends through computer. We watch movie sometimes on the computer, and etc. Howdoes computer develop? Now, I will show you. First, please look at the words. Firstone, calculato, do you remember this word? Yes, I taught you just now. It is anelectronic abacus. We can calculating work quickly using the calculator. And thisword? Right, it is laptop. It is a new type computer so that we can take it to anywherewe want to. And it is originated from this one--PC. And PC is from what? Right, it isfrom huge computer. And now there is one thing that is more convenient for us tocarry. What is it? Good, it is PDA. And how about this word? Right, robot. Read afterme, robot. Good! Now, today we are going to learn the development of computer. First, I will giveyou several minutes to skim the passage and think about two questions: 1) who is thecharacter of the passage? 2)How many aspects are the passage mainly talking about?Ok, time is up. Who can answer my questions? Ok, Rose, please! Good, the characteris the computer. And there are two aspects. One is the development of computer, theother is the usage of computer in people’s daily life. And you should notice that: thispassage is written from the first person view. Think about it, if we write from the firstperson view, what’s the advantage? Yeah, the passage will become much more livelyand interesting. So if we want to describe something, we can write from the firstperson view. Now please scan the passage and finish comprehending 1. Ok, who’dlike to share your answers? Please write it on the blackboard. Wow, he is all right. Now, please read the passage carefully, and think about the words in bold. Youshould not look them up into the dictionary, just guess from the context. And please


read it again and generalize the main idea of each paragragh. Now, do you have anydifficulties reading this passage? Or do you find any difficult language points? Ok,Jerry, yes, you find this sentence “I have been changed quite a lot” and the sentencelike that very difficult. Ok, don’t be worried. That is just the passive voive used in thepresent perfect tense. There are so many sentences like that in this passage, and youcan find them. I will explain it specifically next class. Let’s listen to the tape and pay attention to the pronunciation and pause. So listenagain and you had better speak after it. Ok, now, please look at comprehending 3 andI will give you several minutes to discuss it and then some students will come hereand perform the dialogue. Ok, time is up. Who’d like to have a try? Right, you,please! Wow, you did a nice job. Thank you! Go back to your seats! And any othergroup? Nice, you, please! Well, wonderful, your perfoming skill are amazing. Goback to your seats!So class will be over soon. Let’s preview what we have learned today. Do youremember? Who want to make a summary of the knowledge today? Ok, Sherry,please! Wow, good! Anything else? Ok, Lisa, yes, thank you! And we also know thatcomputer is widely used in our daily life. After class, you’d better preview what we have learned today. And think aboutthe advantages and disadvantages of computer, because next class, we are going tohave a debate, so you should make a full preparation. Ok, today’s class is over, see you!That’s all for my class, thank for your attention!