1、Unit 6 When was it invented? Section A1 (1a-2d) 一、教学目标：教学目标： 1. 语言知识目标：语言知识目标： 1) 能掌握以下单词： heel, scoop, electricity, style, project, pleasure, zipper, daily, website, pioneer, 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 us
2、ed 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。 2.2. 情感态度价值观目标：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。 二、教学重难点教学重难点 1. 教学重点：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.
3、 What are they used for? They are used for seeing at night. 2. 教学难点：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间及用途。 三、教学过程三、教学过程 I. Warming up 1. 展示一些近代发明的图片与近代发明的发明者，让学生们将图片与发明者相 连。 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 invent
4、ors are? S1: Karl Benz S2:Alexander Bell S3: J. L. Baird Let Ss match the inventions and the inventors. . Presentation 引导学生们学习一般过去时态的被动语态结构。 让学生们看大屏幕的如果爱和发明者的图片,并将句子改为被动语态。 如： T: Karl Benz invented the first car in 1885. The first car was invented (by Karl Benz) in 1885. . Talking 1. Look at the pic
5、tures 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 the TV was invente
6、d after the car. . Listening (1b) 1. T: Tell Ss look at the pictures and years on the left. Finish 1b. 2. Listen again and complete the conversation. Alice: Was your life very _ when you were a kid? Grandma: Oh, _. Why? Alice: Well, you didnt have modern inventions like a _, right? Grandma: Of cours
7、e we did! How old do you think I am? The telephone _ in _. You need to take a _ class,Alice! Alice: Haha! How about _? They _ yet, were they? Grandma: Yes, they were. Cars _ _ in _. My family had a car. Alice: Well, did you _? Grandma: No, we couldnt _ one. They were _ in those days. The TV _ around
8、 _, I think. Alice: Well, I know that you didnt have a _, because we learned in school that personal computers _ in _. Grandma: Youre right. But I have one now! . Pair work (1c) 1. Ss try to remember the invention and the year. 2. Student B, cover the dates. StudentA, ask Student B when the things i
9、n 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 was invented in 1876. . Learning the new words & Listening Look at the pictures then learn the new words. Work on 2a: T: Tell Ss
10、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 number the pictures. 3. Play the recording again to check the answers. Work on 2b: 1. Let Ss read the chart below. Explain some main se
11、ntences 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 and fill in the blanks. The first invention is shoes with _. People always hit their toes on _ on the way to the bathroom at n
12、ight. So people can use them for _ in the _. The second invention is a special ice-cream _. It runs on _ and becomes hot. Its _ for serving really _ ice-cream. The last invention is shoes with special_. People can move the heels _ and _. You can _ the heels if you are going to a _ or _ them if you a
13、re just going out for _. . 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.
14、See which group does the best. . 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. X. Language points 1. 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
15、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 u
16、sed to do sth. e.g. 这台电脑是用来控制所有机器的。 你知道这工具是用于做什么的？ This computer is used to control all the machines. Do you know what this tool is used for? 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. She was thinking abou
17、t her childhood days. 他正在考虑暑假旅游的事。 她正回想她的童年时期。 【think 短语】 think of 指“考虑，记忆，记起” e.g. 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” e.g. 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” e.g. 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。 Homework Recite the conversation in 2d.
