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1、Unit 6 When was it invented?Section APeriod 1 Section B (1a-2d)教学设计教材分析 本单元涉及内容是本书当中比较重要的一部分。被动语态结构及运用是教学中一个难点和重点，也是学生比较不容易理解的部分，因为它是建立在各种时态之上的。另外通过对我们熟悉经常使用的发明物的历史来开阔眼界，丰富学生的阅历，使学生养成勤于思考，善于总结的好习惯。教学目标【知识与能力目标】1) 能掌握以下单词：heel, scoop, electricity, style, project, pleasure, zipper, daily, website, pio
2、neer, list, mention能掌握以下句型：When was the telephone invented?I think it was invented in 1876.What are they used for?They are used for seeing at night.2) 能谈论物品被发明的时间、发明者，表达某发明的用途。【过程与方法目标】 在本课的任务型语言教学中，我将依据课程的总体目标并结合教学内容，创造性地设计贴近学生生活实际的任务活动，吸引和组织他们积极参与，使学生通过观察、思考、讨论、交流和合作等方式，在一种自然、真实或模拟真实的情境中体会语言、掌握语言的
3、应用。【情感态度价值观目标】 了解一些近现代发明的时间及用途，激发自己热爱发明的情感。培养想象力，善于观察事物。面对难题，用积极的态度去解决，发挥想象力，认识世界，改造世界。 教学重难点【教学重点】1) 本课时的单词、词组和句型，学习运用一般过去时态的被动语态。2) 学会询问发明时间及用途的基本句型：When was the telephone invented?I think it was invented in 1876.What are they used for?They are used for seeing at night.【教学难点】运用一般过去时态的被动语态来讨论发明的发明时
4、间及用途。 课前准备1. 准备录音机和磁带；2. 设计课后巩固练习；3. ppt；教学过程Step 1. Warm up1. Show some pictures of inventions and their inventors. Let Ss match them.T: Do you know what these inventions are?S1: Its a car.S2: Its a telephone.S3: Its a television.T: Do you know who these inventors are?S1: Karl BenzS2: Alexander Bel
5、lS3: J. L. BairdLet Ss match the inventions and the inventors.Step 2. PresentationLead Ss to learn the passive voice of the past tense. Show a sentence and change it into passive voice.T: Karl Benz invented the first car in 1885.Ss: The first car was invented (by Karl Benz) in 1885.Step 3. Practice
6、(1a)1. Look at the pictures in 1a. Discuss with your group, in what order do you think they were invented? Try to number them 1-4.2. Ss discuss with their partners and number the pictures.3. Talking about the inventions:A: I think the TV was invented before the car.B: I dont agree with you. I think
7、the TV was invented after the TV.Step 4. Listening (1b)1. T: Tell Ss look at the pictures and years on the left.2. Play the recording for the Ss to listen.3. Ss listen to the conversation and try to match the invention with the proper year.4. Play the recording again.5. Check the answers.Step 5. Pai
8、r work (1c)1. Ss try to remember the invention and the year.2. Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then change roles and practice again.3. Let some pairs ask and answer in pairs.e.g. A: When was the telephone invented?B: I think it
9、 was invented in 1876.Step 6. Learning the new words & ListeningLook at the pictures then learn the new words.Work on 2a:T: Tell Ss they will hear some interesting inventions.1. Look at the pictures in 2a. Discuss the things what they are used for.2. Play the recording for the Ss to listen and numbe
10、r the pictures.3. Play the recording again to check the answers.Work on 2b:1. Let Ss read the chart below. Explain some main sentences for the Ss. Make sure they know what to do.2. Play the recording for the Ss to fill in the blanks.3. Play the recording again to check the answers.4. Listen again an
11、d fill in the blanks.Step 7. Pair work (2c)1. Tell Ss to make conversations using the information in 2b. Make a model for the Ss.A: What are the shoes with special heels used for?B: They are used for changing the style of the shoes.2. Let some Ss make conversations using the information in 2b.3. See
12、 which group does the best.Step 8. Role-play (2d)1. Read the conversations and Let Ss read after the teacher.2. Explain some new words and main points in the conversation.3. Ask Ss to role-play the conversation in groups.Step 9. Language points1. Well, you do seem to have a point嗯，看来你说的确实有道理这句话中的助动词
13、do放在动词seem前面主要用来加强语气，通常可译作“的确，确实” 在谓语动词前添加助动词do表示强调的用法常见于肯定句和祈使句中。 在英语中，have a point通常指某人的说法或想法“有道理”。如:Perhaps you have a point there, but the problem is that we dont have a choice.也许你说的有道理，但问题是我们没有选择。2. They are used for seeing in the dark.be used for doing sth.表示“被用来 做某事”。 相当于be used to do sth.e.g
14、. This computer is used to control all the machines.这台电脑是用来控制所有机器的。Do you know what this tool is used for?你知道这工具是用于做什么的？3. Think about how often its used in our daily lives.think about 表示“考虑，想起”e.g. He is thinking about travelling in the summer holidays.他正在考虑暑假旅游的事。She was thinking about her childho
15、od days.她正回想她的童年时期。【拓展有关think 其它的短语】think of 指“考虑，记忆，记起”如：You think of everything! 你全都提到了。I cant think of his name at the moment. 我一时想不起他的名字。think sth. over指“仔细想，审慎思考，作进一步考虑”如：Please think over what I said.请仔细考虑我说的话。 I want to think it over. 我想仔细考虑一下这件事。think sth. out 指“想通，想出，熟思”如：He thought out a new idea. 他想出了一个新主意。That wants thinking out. 那件事需要仔细考虑。Step 10. HomeworkRecite the conversation in 2d.教学反思略。 5 / 5
