内容正文:
Unit 6
When was it invented?
Section A (1a-2d)
Learning Objectives
1. To listen and talk about the important
inventions and their history, using passive
voice
1. --When was … invented?
--I think it was invented in…
2. I think … is invented before/after…
2. To listen and talk about what inventions are
used for using passive voice
What is/are … used for?
It is/they are used for...
The first telephone was invented (by Bell) in 1876.
Bell invented the first telephone in 1876.
Ⅰ精讲留白
单击此处编辑母版文本样式
第二级
第三级
第四级
第五级
Karl Benz invented the first car in 1885.
The first car was invented (by Karl Benz) in 1885.
单击此处编辑母版文本样式
第二级
第三级
第四级
第五级
The first television was invented (by J. L. Baird) in 1927.
J. L. Baird invented the first television in 1927.
Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them [1-4].
1a
2
3
1
4
I think the TV was invented before the car.
Well, I think the TV was invented after the car.
I think … was invented before / after ...
Well, I …
Task1 完成课本1b 课本P41
Task 2 Listen to 1b and answer the questions. (课本P139)
1. When was the telephone invented?
2. When were cars invented?
3. Did grandma have a car when she was a kid?
4. Does grandma have a personal computer now?
Ⅱ独学内化
Listening
Listen and match the inventions with the years.
1b
___ 1876
___ 1885
___ 1927
___ 1971
d
a
c
b
A: When was the … invented?
B: It was invented in _____.
1971
1927
1876
1885
Ⅲ小组讨论
一般过去时的被动语态:
was/ were + 及物动词-ed形式
IV. 全班交流
Car
1885
When was it invented?
Who was it invented by ?
What is it used for?
Benz.
It was invented in 1885.
It is used for traveling.
It was invented by Benz.
Ⅰ精讲留白
What can you see on the table?
Do you know what they are used for?
Listen and number.
2a
Task1 完成课本 2a 2b (课本P42)
Task 2 Read 2d and answer the questions.
1.Who invented the zipper?
2.When was zipper invented?
3. When did the zipper become popular?