内容正文:
Unit 6 When was it invented?
Section A 1 (1a-2d)
一、教学目标:
1. 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:
① —When was the telephone invented?
—I think it was invented in 1876.
② —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。
2. 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
1. 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.
2. 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
I. Presentation
invent v. 发明
inventor n. 发明家
invention n. 发明
e.g. Edison, a great inventor, invented many great inventions during his life.
II. 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: It’s a car.
S2: It’s a telephone.
S3: It’s a television.
T: Do you know who these inventors are?
S1: Karl Benz
S2: Alexander Bell
S3: J. L. Baird
Let Ss match the inventions and the inventors.
III. Presentation
通过图片引导学生们学习一般过去时态的被动语态结构。
如:
Karl Benz invented the first car in 1885.
The first car was invented (by Karl Benz) in 1885.
IV. Talking
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 don’t agree with you. I think the TV was invented after the car.
…
V. 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 didn’t have modern inventions like a ________, right?
Grandma: Of course we did! How old do y