八年级英语上册 Unit 4 Topic 2 I am sure there are no UFOs Section D教学案例 仁爱版.doc

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。. Teaching aims and demands 教学目标1. Learn some useful sentences: (1)Whats the matter with it? (2)Are you sure you plugged it in? (3)Youd 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)Im quite sure there are UFOs. (2)Im not sure whether/if robots will make humans lose their jobs. Teaching aids 教具录音机/图片. 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 cant. So we must study hard. Lets 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, Im not sure.T:We talked about the robots. Next lets 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, Im not sure.T:Why do you think so?S4:Because until now, nobody seems to have really seen UFOs, and even scientists arent sure whether there are UFOs.T:Lets go on talking about science. Next lets talk about the Internet.(教师与一位学生对话。)T:S5, what do you think of the Internet?S5:Its 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 dont.T: Good. The Internet is very interesting, but we shouldnt spend too much time on it, or we cant study well.(教师示范后，让学生在小组内进行会话，然后完成表格。)AdvantagesDisadvantagesHow to useWe shouldWe shouldnt3. (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 oclock 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. Whats Michael doing now? S1:He is repairing his computer. T: Whats the matter with it? S2:It doesnt work. T: Is he sure he plugged it in? S3:Yes, hes quite sure. T: What should he do? S4:Hed 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, lets 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, Im sure. S1:Are you sure there are UFOs in the world? S2:No, Im not sure. S1:Are you sure we can listen to music on the Internet? S2:Yes, Im quite sure. S1:Are you sure it will be rainy tomorrow? S2:Im not sure whether it will be rainy tomorrow. S1:Are you sure well 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 3T: 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:Whats this in English?S1: Its 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 Renai 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! Its my new invention. Its 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. Its 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 1Alice was playing the piano when her father came back.板书设计:I am sure there are no UFOs. Section Dplug inWhats the matter with it?ask for helpAre you sure you plugged it in?Youd better ask our computer teacher for help.