仁爱英语八上TopicIamsuretherearenoUFOs篇

仁爱英语八上TopicIamsuretherearenoUFOs篇

八上仁爱版英Unit 4 Topic 2 I am sure there are no UFOs Section A教学案例 The main activities are ‎1a and 3. 本课重点活动是‎1a和3。‎ Ⅰ. Teaching aims and demands 教学目标 ‎1. Learn some useful words and expressions:‎ robot, scientist, appear, take the place of, situation, repair, truck, mend ‎2. Learn how to express certainty and uncertainty:‎ ‎(1)I’m sure robots can do some work faster and better than humans.‎ ‎(2)—Are you sure?‎ ‎ —Yes, quite sure.‎ ‎(3)—Do you think you will have a robot in 20 years?‎ ‎ —Yes, I’m sure. /No, I’m not sure.‎ ‎ 3. Talking about modern science and technology.‎ Ⅱ. Teaching aids 教具 录音机/玩具/小黑板 Ⅲ. Five-finger Teaching Plan 五指教学方案 Step 1 Review 第一步 复习(时间:15分钟)‎ ‎(教师将一个玩具机器人和一个玩具汽车进行比较，复习形容词的比较级，引出生词及be sure的用法，逐渐导入新课。)‎ T: Boys and girls. Look, what are these?‎ Ss: They are toys.‎ T: Which one do you like better, the robot or the car?‎ ‎(教师说时拿出机器人演示，让学生理解robot的意思并板书。)‎ robot Ss: The robot.‎ T: Why do you think so?‎ S1: Because I think the robot is more interesting than the car.‎ S2: Yes, I agree. I think it is the most interesting of all the toys.‎ T: Yes, I think so. Scientists invented the first robot in 1921.‎ ‎(教师边说边板书scientist。)‎ scientist T: Newton is a scientist. Edison is a famous scientist, too. Some students in our class want to be a scientist. Right?‎ S3: Yes, I’m sure.‎ ‎(引导学生用I’m sure来回答。)‎ T: Then, when did the first robot appear?‎ ‎(板书)‎ appear S4: I don’t know .‎ S5: Neither do I.‎ T: Oh, it was invented in 1921. Many students are interested in robots. Could you tell me what robots can do for us?‎ ‎(让学生讨论，汇报讨论结果。)‎ S6: Robots can help us a lot.‎ S7: Robots can do dangerous work.‎ S8: Robots can help us clean the room.‎ S9: …‎ T: Very good. Robots can do many different kinds of jobs. Robots can take the place of humans to do lots of dangerous work. It means robots can do lots of dangerous work instead of humans.‎ ‎(板书)‎ take the place of = instead of T: We know robots can do a lot of things for us. My bike is broken. I have to repair it. Are you sure robots can mend my bike?‎ ‎(教师边说边板书repair。注意此处用be sure，初步让学生理解be sure是表示肯定的一种说法。)‎ repair = mend S10:I’m not sure. (引导并帮助学生回答。)‎ S11:I’m sure they can repair it.‎ T: I’m sure, too. Are you sure robots can lift trucks?‎ S12:I’m not sure.‎ S13:I’m sure.‎ T: I’m sure, too.‎ ‎(板书)‎ lift Step 2 Presentation 第二步 呈现(时间:5分钟)‎ ‎(听两遍‎1a录音，回答问题。)‎ T: Robots are very useful to humans. Do you want to know more about robots? Now let’s listen to ‎1a and answer the following questions.‎ ‎(出示小黑板。)‎ ‎(1)Where did Kangkang go last weekend?‎ ‎(2)When did the scientists invent the first robot?‎ ‎(3)Can robots do any work faster and better than humans?‎ ‎(核对答案。)‎ Step 3 Consolidation 第三步 巩固(时间:10分钟)‎ ‎1. (学生先自己朗读‎1a, 然后跟读，注意语音语调。写下关键词。)‎ ‎ T: Read ‎1a first, then listen to the tape and follow. Write down the key words.‎ ‎2. (让学生根据关键词两人一组练习‎1a，然后找几组学生到前面表演对话。)‎ T: Please practise ‎1a in pairs and then act it out in the front of the classroom according to the key words.‎ ‎3. (完成1b。)‎ ‎ T: Well done! Now please look at 1b. Can you write down the right answers according to the dialog?‎ ‎ Ss: Yes.‎ ‎ T: Are you sure you can write down the answers without looking at the dialog?‎ ‎ Ss: Yes. We’re quite sure.‎ ‎ T: OK. I’ll ask three students to come to the blackboard and write them down.‎ ‎ (2分钟后核对答案。)‎ Step 4 Practice 第四步 练习(时间:10分钟)‎ ‎1. (1)T: Boys and girls, we have learned something about robots. What else can robots do for us?‎ S1: They can save people in danger S2: They can repair machines.‎ ‎…‎ ‎(2)(出示2中的图片，试着用英语描述。)‎ ‎ T: Look at the pictures. Try to describe them in English ‎(3)(听2录音，完成2并核对答案。)‎ ‎ T: Listen to the tape and number the pictures.‎ ‎(4)(小组对话，巩固所学短语。)‎ ‎ T: Please discuss robots in groups.‎ Example:‎ S3:What can robots do for us?‎ S4: They can save people in danger, repair machines and lift trucks.‎ S5: …‎ ‎(如果不全面,让其他学生补充。)‎ ‎2. (小组讨论完成3。)‎ T: Now please discuss the advantages and disadvantages of robots. Then fill out the table. You can add your opinions.‎ ‎(让学生讨论两分钟。)‎ T: Please make a dialog according to the information above and your own opinions. ‎ Example:‎ S6: Are you sure robots will make humans lose their jobs?‎ S7: Yes, I’m sure. / No, I’m not sure.‎ S6: Is it good or bad for us?‎ S7: It’s good. /It’s bad for us.‎ S6: Do you think you will have a robot in 20 years?‎ S7: Yes, I’m sure. / No, I’m not sure.‎ ‎(挑几组学生表演对话。)‎ Step 5 Project 第五步 综合探究活动(时间:5分钟)‎ ‎1. (假设学生是科学家，设计了新一代的机器人，两人一组对话或写一篇短文介绍，尽量使用be sure句式。)‎ ‎ T: Suppose you are a scientist, and you have invented a new kind of robot. Make a dialog or write a passage to introduce it. Try to use the sentence patterns with “be sure”.‎ ‎2. Homework:‎ ‎ 课后搜集有关机器人和UFO的信息，然后把搜集的信息用英语写一个报告。尽量使用be sure句式并加进自己的观点。‎ 板书设计:‎ I am sure there are no UFOs.‎ Section A ‎ Grammar: express certainty and uncertainty take the place of=instead of I’m sure robots can do some work faster and better than humans.[来 ‎ —Are you sure?‎ ‎ —Yes, quite sure.‎ ‎ —Do you think you will have a robot in 20 years?[‎ ‎ —Yes, I’m sure. / No, I’m not sure.‎ 八上仁爱版英Unit 4 Topic 2 I am sure there are no UFOs Section B教学案例 The main activities are 1a and 2. 本课重点活动是‎1a和2。‎ Ⅰ. Teaching aims and demands 教学目标 ‎1. Learn some useful words and expressions:‎ toward(s), plate, planet, information, mistake … for …, object, balloon, call for, wake, wake up, real ‎2. Go on learning to express certainty and uncertainty (be sure/be not sure) and review Past Continuous Tense:‎ ‎(1)A UFO flew over my head while I was walking toward the bus stop yesterday.‎ ‎(2)I’m quite sure there are UFOs.‎ ‎(3)I’m not so sure. Even scientists aren’t sure whether there are UFOs.‎ ‎(4)I’m sure there are no UFOs.‎ ‎(5)I’m not sure whether/if robots will make humans lose their jobs.‎ ‎(6)While Jim was sleeping, he saw a UFO flying over his head.‎ Ⅱ. Teaching aids 教具 录音机/图片/小黑板 Ⅲ. Five-finger Teaching Plan 五指教学方案 ‎ Step 1 Review 第一步 复习(时间:12分钟)‎ ‎1. (猜谜游戏：复习过去进行时和肯定与不肯定句式的用法。)‎ ‎ (把学生分成三人一组，一人在纸上写一个动作，让另外两位同学猜他在做什么，猜时要用上I’m sure./I’m quite sure./I’m not sure.练习之后，以小组为单位在台前表演。)‎ ‎(教师找两位学生帮忙，做出示范。S1写出动作。)‎ ‎ T: What was S1 doing at this time yesterday?‎ ‎ S2:She was watching TV.‎ ‎ T: Are you sure?‎ ‎ S2:Yes, I’m quite sureK]‎ ‎ S1:Yes, I was watching TV at that time.‎ ‎ (小组练习完之后，找几组学生表演。)‎ ‎2. (检查作业：汇报搜集到的有关机器人和不明飞行物的信息。师生对话，引出生词，导入新课。)‎ T: I’m sure you were searching for the information about robots and UFOs last night. Please give a report about it.‎ ‎3. (教师从报纸、杂志、网上找一些UFO的图片，导入新课。)‎ ‎ T: (出示图片)You have known much about robots and UFOs. I have some pictures here. Look at these pictures. What are these?‎ ‎ Ss:They are UFOs.‎ ‎ (板书)‎ UFO ‎ T: What do the UFOs look like?‎ ‎ Ss:They look like plates.‎ ‎ (板书)‎ plate ‎ T: I’m not sure whether there are UFOs. Are you sure there are UFOs, S3?‎ ‎ (板书并帮助学生理解表达不确定的句式。)‎ I’m not sure whether/if there are UFOs.‎ ‎ S3:Yes, I’m quite sure.‎ ‎ T: What about you, S4?‎ ‎ S4:I’m not sure whether there are UFOs.‎ ‎ T: I’m not sure, either. Because there are no living things on other planets.‎ ‎ (板书)‎ planet ‎ T: The earth is a planet. Mars(火星) is a planet, too.‎ Step 2 Presentation 第二步 呈现(时间:8分钟)‎ ‎1.(设置听力任务，播放‎1a录音。)‎ ‎ T: Most of us are not sure whether there are UFOs. But Jane saw a UFO yesterday. Is there really a UFO? They’re talking about it. Now listen to ‎1a and answer the following question:‎ ‎ What was Jane doing while a UFO flew over her head?‎ ‎ (听后找学生回答。)‎ ‎ S1: She was walking toward the bus stop.(帮助学生说toward。)‎ ‎ (板书并解释。)‎ toward(s)—to ‎2.(阅读‎1a，完成1b。)‎ T: Some students are sure there are UFOs, but some students aren’t sure about this.What about Michael, Kangkang and Maria? Read ‎1a and finish 1b.‎ ‎ (2分钟后检查。)‎ S2: Michael is quite sure there are UFOs.‎ S3: Kangkang is not sure.‎ S4: Maria is sure there are no UFOs.‎ Step 3 Consolidation 第三步 巩固(时间:8分钟)‎ ‎1. (再次播放录音‎1a，让学生跟读，注意语音语调。)‎ ‎ T: Listen to the tape and follow. Pay attention to the pronunciation and intonation.‎ ‎2. (根据1b表格。四人一组练习‎1a对话。)‎ ‎ T: Please practice the dialog using the information in 1b. Then I’ll let some of you act it out.‎ ‎ (练习2分钟后，让几组学生在全班学生面前表演。)‎ ‎3. (用给出的句子编对话，完成‎1c。)‎ ‎ T: From ‎1a we know the scientists aren’t sure whether there are UFOs. But I’m sure there are robots. Are you sure, S1?‎ ‎ S1: I’m quite sure.‎ ‎ T: I’m sure robots will make humans lose their jobs.‎ ‎ S2: I’m not sure whether robots will make humans lose their jobs.‎ ‎ T: Look at the example in ‎1c. Can you make similar dialogs by using the sentences in the box?‎ ‎ (2分钟后，挑几组学生表演。) ‎ Step 4 Practice 第四步 练习(时间:12分钟)‎ ‎1. (利用实物，引出生词及词组，引入2。)‎ T: (拿出气球) What’s this object?[来 ‎(板书)‎ object S1: It’s a balloon. (帮助学生回答)‎ ‎(板书)‎ balloon T: Yes, it’s a balloon. Are there UFOs? Nobody is sure. In fact, people often mistake balloons for UFOs.‎ ‎(板书)‎ sure, mistake … for …‎ T: But why are there so much information about UFOs? There is a passage about it. Let’s go and have a look together.‎ T: Now please read the passage in 2 and check the best title of the passage.‎ ‎(理解man-made，核对答案。)‎ T: OK, now are you sure there are UFOs? S2, please.‎ S2: No, I’m not sure there are UFOs.‎ T: Why do you think so?‎ S2: Because until now, nobody seems to have really seen a UFO. K]‎ ‎…‎ ‎2. (听录音跟读，记下关键词。)‎ ‎ T: Well done. Now listen to the tape and follow. Write down the key words.‎ ‎(板书)‎ say, see UFOs, in fact, information, mistake ... for … , man-made, objects, kite, balloon, nobody, sure ‎(2分钟后挑选学生复述。)‎ ‎3. (师生对话，引出生词，导入‎3a。)‎ T: From the passage above, we know nobody seems to have really seen a UFO. But are you ‎ sure there are aliens?‎ ‎(板书)‎ alien S3:Yes, I’m sure there are aliens.‎ S4:No, I’m not sure whether there are aliens.‎ T: OK! Last night, while Jim was sleeping, he saw a UFO flying over his head. To our surprise, when he was trying to call for help, he saw an alien. What happened to him? Please read ‎3a and fill in the blanks.‎ ‎(板书)‎ call for wake up ‎(核对答案。)‎ ‎3. (让学生再读‎3a，小组进行讨论，然后完成3b。)‎ T: Who was the real “alien”? Read ‎3a again. Discuss in pairs, and finish 3b.‎ ‎(板书)‎ real ‎(核对答案。)‎ Step 5 Project 第五步 综合探究活动(时间:5分钟)‎ ‎1. (复习过去进行时。)‎ ‎ (让学生与他们的同桌讨论“昨天晚上在不同的时间段他们在干什么？”写下同桌的活动，然后谈论他们自己的活动。) ‎ T: Now, let’s make a survey. One student asks his/her partner what he /she was doing at different times yesterday evening, then fill his/her answers in the table on the small blackboard. And then write down your own answers. ‎ ‎ Discuss with each other and choose who had the best time. At last I will ask some students to report to the class.‎ Time (yesterday evening)‎ Your partner You ‎7:00‎ ‎8:00‎ ‎9:00‎ ‎[‎ ‎2. Make a survey.‎ ‎(把学生分为10人一组，讨论以下问题，然后填表格。每组派代表向全班同学汇报，班长总结有多少人认为……，相信或不相信……。)‎ (1) Do you think there are people on other planets?‎ (2) Are you sure UFOs are real?‎ (3) If there are aliens, are they probably friendly or unfriendly?‎ ‎(出示小黑板。)‎ Statements Names Jim There are people on other planets.‎ ‎√‎ There are no people on other planets.‎ UFOs are real.‎ ‎√‎ UFOs are not real.‎ Aliens are probably friendly.‎ Aliens are probably unfriendly.‎ ‎√‎ ‎3. Homework:‎ 上网查询或查阅书报、杂志上有关外星人及不明飞行物的相关内容。充分发挥你的想象，编一个谈论外星人和不明飞行物的对话或写一篇短文。（用上过去进行时句型和be sure结构。‎ 板书设计：‎ I am sure there are no UFOs.‎ Section B mistake for (1)I’m quite sure there are UFOs.‎ call for (2)I’m not so sure. Even scientists aren’t sure whether there are UFOs.‎ wake up (3)I’m not sure whether/if robots will make humans lose their jobs.‎ ‎ (4)While Jim was sleeping, he saw a UFO flying over his head.‎ 八上仁爱版英Unit 4 Topic 2 I am sure there are no UFOs Section C教学案例 The main activities are ‎1a and ‎2a. 本课重点活动是‎1a和‎2a。‎ Ⅰ. Teaching aims and demands 教学目标 ‎1. Learn some useful words and expressions:‎ ‎ example, for example, spend … on, download, dictionary, look up, pay attention to, begin with, write to ‎2. Go on learning to express certainty and uncertainty:‎ ‎ I’m (not) sure of that.‎ ‎3. Talk about modern science and technology:‎ ‎ (1)We can go shopping without leaving our houses. ‎ ‎(2)We can use the Internet for finding jobs.‎ ‎(3)But we shouldn’t spend too much time on the Internet.‎ ‎(4)The Internet can help us find the way.‎ ‎4. Learn how to look up new words in an English dictionary:‎ ‎ (1)You asked me how to use an English-Chinese dictionary.‎ ‎ (2)The words in dictionaries are in alphabetical order.‎ ‎ (3)When you look up a word in the dictionary, you must pay attention to the first letter of the word.‎ Ⅱ. Teaching aids 教具 录音机/英汉字典/小黑板 Ⅲ. Five-finger Teaching Plan 五指教学方案 Step 1 Review 第一步 复习(时间:10分钟)‎ ‎1. (检查作业：表演对话或演讲，谈论有关外星人和UFO的话题，复习be sure结构。)‎ ‎ T: You have searched some information about aliens and UFOs. Now please talk about them with your partner or give a speech.‎ ‎2. (通过讨论导入新课。)‎ T: Where did you get the information about UFOs?‎ S1: I got it on the Internet.‎ T: Well done!‎ T: We can do many things on the Internet. For example, we can study on the Internet. What else can we do on the Internet?‎ ‎(板书)‎ for example S2: We can play games on it.‎ S3: We can listen to the music on it.‎ S4: We can watch movies on it.‎ S5: We can write an e-mail on it.‎ ‎(让学生尽可能多地说。)‎ T: Yes. That’s very good. And I often use the Internet for downloading useful information.‎ ‎(板书)‎ download ‎ use … for ‎ ‎ (通过对话接龙形式来练习use … for这一句型。)‎ T: What do you often use the Internet for?‎ S6: I use the Internet for playing games.‎ S6: What do you often use the Internet for?‎ S7: I use the Internet for watching movies.‎ S7: …‎ S8: …‎ ‎…. ‎ T: The Internet is very useful, but we shouldn’t spend too much time on the Internet. Do you think so?‎ ‎(板书)‎ spend … on …‎ Ss: Yes, we think so.‎ Step 2 Presentation 第二步 呈现(时间:10分钟)‎ ‎1. (读‎1a，整体感知。)‎ T: The Internet is very useful and wonderful. OK, I think most of you make a good use of the Internet, so what can we do on the Internet? Read the passage in ‎1a and find out the answer to this question.‎ ‎(板书)‎ What can we do on the Internet?‎ ‎(2分钟后核对答案。)‎ T: OK. Now please give me your answers. From S1 please, say it one by one.‎ S1:We can go shopping without leaving our houses .‎ S2:We can study on the Internet.‎ S3:We can use the Internet for finding jobs.‎ S4:We can find the way to a new place on the Internet.‎ S5:We can find lots of songs, movies and games on the Internet.‎ ‎2. (再读‎1a，完成1b。)‎ ‎ T: Read ‎1a again. Look at the pictures and complete the sentences.‎ ‎3. (学生跟读‎1a，模仿语音和语调，并画出关键词句。)‎ ‎ T: OK. Now please listen to the tape and follow. Pay attention to your pronunciation and intonation. And write down the key words and sentences.‎ ‎(板书)‎ Internet, wonderful, make, nicer, easier and more colorful, for example, help, go, without, study, use … for, a new place, songs, movies, games, interesting, spend … on Step 3 Consolidation 第三步 巩固(时间:10分钟)‎ ‎1. (学生根据关键词复述课文。)‎ T: OK. Boys and girls, please stop. According to the key words on the blackboard, please retell the text to your deskmate. After two minutes, I will ask someone to retell it in the front.‎ ‎(2分钟后，挑几名学生复述课文。)‎ ‎2. (学生独立完成1b。)‎ ‎ T: OK. Now let’s move to 1b. First look at the pictures and complete the sentences with the words in ‎1a. I will ask four students to write down the answers on the blackboard.‎ ‎ (核对答案。)‎ ‎3. (做调查完成‎1c。)‎ T: Now let’s move to ‎1c. Please answer the questions in ‎1c.‎ ‎ (根据调查结果，小组讨论，然后各组选一名代表在全班学生面前汇报调查结果。)‎ T: OK. After you finished your answers, please discuss your results in groups. Then report it to the class. I will give you an example of the report on the blackboard. You can begin like this:‎ ‎(板书)‎ The Internet is popular among the students. Most students often use the Internet. They often…‎ ‎(让学生汇报调查结果，然后进行辩论。辩论时学生分为正反方两大组。)‎ ‎ T: OK, that’s great. Every group gives us a good report. Now let’s have a debate about this topic. Is it good or bad to spend too much time on the Internet? Please give your opinions.‎ ‎ G1:Spending too much time on the Internet is good for us. Because it is very useful and helpful. For example, we can study on the Internet, we can look up some new information we don’t know, we can listen to music, see movies or play video games if we want to relax.‎ ‎ G2:Spending too much time on the Internet is bad for us. Because it is bad for our eyes and our bodies. If we spend too much time on it, we may be sleepy, tired and indulge ourselves in the computer games. We will not want to study hard.‎ ‎(教师总结。)‎ T: Internet is wonderful. There are lots of useful things on the Internet, so it can help us a lot. But we should not spend too much time on it.‎ ‎(教师引导学生尽量多说一些，使学生认识到合理使用网络的重要性。)‎ Step 4 Practice 第四步 练习(时间:10分钟)‎ ‎1. (教师拿出一本英汉字典。)‎ T: What’s this?‎ Ss: It’s a dictionary. (引导学生回答。)‎ T: Yeah, it’s an English-Chinese dictionary.‎ ‎(板书)‎ dictionary ‎ an English-Chinese dictionary T: Do you have an English-Chinese dictionary?‎ Ss:Yes, we do.‎ T: If you meet a new word while you are reading, what will you do?‎ Ss: I’ll look it up in the dictionary.‎ T: You are right! Do you know how to look up the words in the dictionary? Read ‎2a by yourselves, and then find out the answer to this question.‎ ‎(学生自己朗读3分钟，用铅笔画出重点句子。)‎ ‎(板书)‎ Pay attention to the first letter of the word.‎ You have to look at the second letter to find the word. ‎ Look at the third one and so on.‎ ‎(鼓励学生总结如何查字典，为下一步活动打下基础。)‎ T: Excellent!‎ ‎2. (跟读‎2a并模仿语音语调。)‎ T: Listen to ‎2a and repeat. Pay attention to the pronunciation and intonation.‎ ‎3. (学生自己朗读‎2a，2分钟后，让学生根据黑板上的关键句编对话。)‎ T: According to the key sentences on the blackboard, please make a dialog.‎ Example:‎ S1:Could you tell me how to use an English-Chinese dictionary?‎ S2:Certainly. When you look up a word in the dictionary, pay attention to the first letter of the ‎ word. When two words begin with the same letter, you have to look at the second letter to find the word. If both the first and the second letters are the same, look at the third one and so on S1:Thank you.‎ ‎(然后挑几组学生进行表演。)‎ T: I’m pleased with your dialog. I hope everyone can know how to look up a word in a dictionary. Now I’ll give you a word “music”. Can you find where it is?‎ ‎(教师巡视，看谁先找到这个单词。)‎ ‎(教师讲解如何查找生词，并做示范。)‎ T: I’m going to look up the word “music” in the dictionary. First I pay attention to the first letter “m”. Second, I have to look at the second letter “u”. Then I look at the third letter “s” and so on. Now look, here is the word “music”.‎ ‎2. (学生根据刚才所学的查字典的方法，完成2b。)‎ Step 5 Project 第五步 综合探究活动(时间:5分钟)‎ ‎1. (将班级学生分成几个小组，让学生讨论小黑板上的问题。)‎ ‎(1) What do you think of the Internet?‎ ‎(2) What can we do on the Internet?‎ ‎(3) Are all the things on the Internet good for us?‎ ‎(4) Is spending too much time on the Internet good or bad for us ?‎ ‎ T: When you finish the discussion, please write a report about it.‎ ‎2. Homework:‎ ‎ (1)Choose the best answer. (选择最佳选项。)‎ ‎ ① Robots can do many kinds of .‎ ‎ A. a job B. jobs C. a work D. works ‎ ② We can go shopping without our house.‎ ‎ A. leave B. to leave ‎ C. leaving D. leaves ‎ ③ We shouldn’t spend too much time it.‎ ‎ A. look for it B. on C. for D. about ‎ ④ If you don’t know the word, you may in a dictionary.‎ ‎ A. look for it B. look it for C. look up it D. look it up ‎ ⑤ People use robots for .‎ ‎ A. do boring job B. do boring jobs ‎ C. doing boring job D. doing boring jobs.‎ ‎(2)(预习Section D并在字典中查找Section D中出现的生词)。‎ 板书设计:‎ I am sure there are no UFOs.‎ Section C use … for We can go shopping without leaving our houses on the Internet.‎ spend …on … We can use the Internet for finding jobs.‎ in alphabetical order But we shouldn’t spend too much time on the Internet.‎ look up The Internet can help us find the way.‎ pay attention to I’m (not) sure of that.‎ 八上仁爱版英Unit 4 Topic 2 I am sure there are no UFOs Section D教学案例 The main activities are 1 and 5. 本课重点活动是1和5。‎ Ⅰ. Teaching aims and demands 教学目标 ‎1. Learn some useful sentences:‎ ‎ (1)What’s the matter with it?‎ ‎ (2)Are you sure you plugged it in?‎ ‎ (3)You’d better ask our computer teacher for help.‎ ‎2. Review the main sentences and useful expressions in this topic about robots, UFOs and Internet.‎ ‎3. Review Past Continuous Tense:‎ ‎(1)A UFO flew over my head while I was walking toward the bus stop yesterday.‎ ‎(2)Last night, while Jim was sleeping, he saw a UFO flying over his head.‎ ‎4. Review certainty and uncertainty:‎ ‎ (1)I’m quite sure there are UFOs.‎ ‎ (2)I’m not sure whether/if robots will make humans lose their jobs.‎ Ⅱ. Teaching aids 教具 录音机/图片 Ⅲ. Five-finger Teaching Plan 五指教学方案 Step 1 Review 第一步 复习(时间:15分钟)‎ ‎1. (教师播放4录音，完成4。)‎ ‎ (播放几遍录音后，师生共同chant。激发兴趣，活跃气氛。)‎ ‎2. (通过对话复习关于Robots, UFOs和Internet的目标语言。)‎ T: OK. Please stop. You sang this song very well. I know most of you have a dream of being a flying man. But now, we can’t. So we must study hard. Let’s review “robots” and make a dialog by yourselves.‎ T: Hi, S1 and S2! Could you tell me something about robots?‎ S1&S2: Sure.‎ S1: When did the scientists invent the first robot?‎ S2: In 1921.‎ S1: What can robots do for us?‎ S2:They can do some dangerous work instead of humans. They can help us carry things and mend roads.‎ S1: Are you sure robots can make humans lazy?‎ S2:Yes, I am sure.‎ S1: Are you sure robots can take the place of humans in the future?‎ S2:No, I’m not sure.‎ T: We talked about the robots. Next let’s talk about the UFOs.‎ ‎ (教师与一位同学对话。)‎ T: S3, are you sure there are UFOs in the world?‎ S3: Yes. They look like plates.‎ T: Where do you often get the information about the UFOs?‎ S3: I often get it through books and TVs.‎ T: What about you, S4? Are you sure there are UFOs in the world?‎ S4: No, I’m not sure.‎ T: Why do you think so?‎ S4: Because until now, nobody seems to have really seen UFOs, and even scientists aren’t sure whether there are UFOs.‎ T: Let’s go on talking about science. Next let’s talk about the Internet.‎ ‎(教师与一位学生对话。)‎ T: S5, what do you think of the Internet?‎ S5: It’s wonderful and interesting.‎ T: What do you often do on the Internet?‎ S5: I do the shopping, listen to music, see movies, play games, study, download useful information and write e-mails.‎ T: Do you spend too much time on the Internet?‎ S5: No, I don’t.‎ T: Good. The Internet is very interesting, but we shouldn’t spend too much time on it, or we ‎ can’t study well.‎ ‎(教师示范后，让学生在小组内进行会话，然后完成表格。)‎ Advantages Disadvantages How to use[‎ We should We shouldn’t ‎3. (教师呈现图片复习现在进行时和过去进行时。)‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎(教师手拿图片，图片的背面对着学生，然后叫一名学生到前面来，根据看到的图片做出动作，让其他学生猜出其动作的含义。)‎ ‎ T: Look at this picture, and do the action.‎ ‎ S1:(手持话筒做唱歌状。)‎ ‎ T: Guess like this: Are you…?‎ ‎ S2:Are you speaking?‎ ‎ S1:No.‎ ‎ S2:Are you singing a song?‎ ‎ S1:Yes, I am.‎ ‎ (学生就其他三幅图进行对话，复习现在进行时。)‎ ‎ (练完之后，教师给予学生鼓励，并过渡到过去进行时。)‎ ‎ (假设以上这些图片显示的是S1生日晚会上学生们所做的事情。让学生就图片进行练习。)‎ ‎ S3:What was Han Mei doing at 8:00 o’clock last night?‎ ‎ S4:She was singing a song.‎ ‎ (学生练完之后，教师鼓励学生总结现在进行时与过去进行时。)‎ Step 2 Presentation 第二步 呈现(时间:10分钟)‎ ‎1.（教师解说，导入新课。）‎ T: Look at the picture in 1. Who are they? Please complete the dialog in 1 on Page 91.‎ ‎ (学生补全对话，教师给予指导，并板书生词。)‎ press, button, plug in, useless ‎ (核对答案。)‎ ‎ (让学生齐读对话，然后教师以师生问答的形式检查学生对对话的理解。)‎ ‎ T: Very good. Please answer my questions. What’s Michael doing now?‎ ‎ S1:He is repairing his computer.‎ ‎ T: What’s the matter with it?‎ ‎ S2:It doesn’t work.‎ ‎ T: Is he sure he plugged it in?‎ ‎ S3:Yes, he’s quite sure.‎ ‎ T: What should he do?‎ ‎ S4:He’d better ask his computer teacher for help.‎ ‎ (让学生两人一组练习对话1，然后挑几组学生表演对话。)‎ ‎2. (让学生先读2的内容，提高学生的信息预测能力。然后听对话判断正误。)‎ T: OK. After managing the problem of the computer, let’s discuss something about the Internet. At first please read the sentences as quickly as you can, then listen to 2 carefully and mark True (T) or False (F).‎ ‎ (教师可视学生的掌握和理解情况，选择放录音的次数。)‎ ‎ T: OK. Please tell me your answers.‎ ‎ (找学生回答，及时了解学生的理解程度。完成2。)‎ Step 3 Consolidation 第三步 巩固(时间:7分钟)‎ ‎1. (让学生听‎3a录音，完成3a。)‎ ‎ (1)(学生跟读‎3a，熟记本话题的目标语言。)‎ ‎ (2)(让学生运用肯定和不肯定句式表演对话，巩固be sure用法。)‎ ‎ Example:‎ ‎ S1:Are you sure robots will make humans lazy?‎ ‎ S2:Yes, I’m sure.‎ ‎ S1:Are you sure there are UFOs in the world?‎ ‎ S2:No, I’m not sure.‎ ‎ S1:Are you sure we can listen to music on the Internet?‎ ‎ S2:Yes, I’m quite sure.‎ ‎ S1:Are you sure it will be rainy tomorrow?‎ ‎ S2:I’m not sure whether it will be rainy tomorrow.‎ ‎ S1:Are you sure we’ll have a sports meet this term?‎ ‎ …‎ ‎(让学生两人一组练习对话，每人不能少于四个句子，2分钟后挑几组同学表演。)‎ ‎2. (让学生听3b录音，跟读3b。)‎ Step 4 Practice 第四步 练习(时间: 5分钟)‎ ‎(让学生运用过去进行时，看图造句。)‎ ‎ ‎ ‎ Picture 1 Picture 2 Picture 3‎ T: S1, would you please come here and have a try? ‎ ‎(请三位学生到讲台前完成看图造句，其他学生任选一幅图造句，完成之后，及时点评，并且复习while和when的用法。)‎ ‎(板书)‎ ‎(1)The little girl was playing the piano when her father knocked at the door.‎ ‎(2)While Lucy was walking in the park with her mother, they saw a wallet lying on the ground.‎ ‎(3)While Tom was watching TV, the telephone rang.‎ Step 5 Project 第五步 综合探究活动(时间:8分钟)‎ ‎1. (教师展示图片，设置场景，为学生练习对话打好基础，教师可以先示范给学生看。)‎ ‎ T: What’s this in English?‎ S1: It’s a computer.‎ T: What can computers do for us?‎ S1: People can use computers for surfing on the Internet.‎ ‎ (教师依次呈现机器人，仁爱英语学习机，和小汽车的图片，让学生练习对话。)‎ ‎ (参考信息)‎ ‎ People use robots for doing boring jobs.‎ ‎ People use Ren’ai English Learning Machine for learning English.‎ ‎ People use cars for carrying people from place to place.‎ ‎2. (将班上学生分成两组，然后让他们展开想象，设计他们自己的发明，并用英语对它的外观及用途进行描述。)‎ Example:‎ Look! It’s my new invention. It’s a bike, but it looks like a bird. And it can fly. When I go to school, I ride it as a bike. But when I go out for a picnic, it will be a plane …‎ T: Now, time is up. It’s time for you to show your pictures to the whole class.‎ ‎(让有创意的学生到讲台前展示自己的作品，并讲解它的功能。)‎ ‎3. Homework:‎ ‎ 看图写句子。‎ Example:‎ Picture 1‎ Alice‎ was playing the piano when her father came back.‎ 板书设计:‎ I am sure there are no UFOs.‎ ‎ Section D plug in What’s the matter with it?‎ ask … for help Are you sure you plugged it in?‎ ‎ You’d better ask our computer teacher for help.‎