Unit 6 When was it invented-Section A (1a-2d)课件(共17张PPT,无音频)

(共17张PPT)
Unit 6
九年级英语RJ版·上册
Section A (1a-2d)
一、新课引入
Do you know what these inventions are
Karl Benz
Do you know who these inventors are
Alexander Bell
J. L. Baird
一、新课引入
二、新课讲解
Look at the things below. In what order do you think they were invented Discuss them with your group. Then number them [1-4] (1 = first, 4 = last).
2
3
1
4
A: I think the TV was
invented before the car.
B: Well, I think the TV was
invented after the car.
二、新课讲解
Listen and match the inventions with the years.
___ 1876
___ 1885
___ 1927
___ 1971
d
a
c
b
二、新课讲解
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.
A: When was the telephone invented
B: I think it was invented in 1876.
二、新课讲解
Listen and number the inventions [1-3] in the order you hear them.
1
3
2
Listen again and complete the chart below.
二、新课讲解
Invention What is it / are they used for
shoes with special heels ________ the style of the shoes
shoes with lights seeing ___________
hot ice-cream scoop ________ really cold ice-cream
changing
serving
in the dark
Make conversations using the information in 2b.
二、新课讲解
A: What are they used for
B: They’re used for…
Role-play the conversation.
Paul: Hey Roy, the subject for my school project is “Small inventions that changed the world”.
Can you help me think of an invention
Roy: My pleasure! Let me think…hmm...I know!
The zipper!
Paul: The zipper Is it really such a great invention
Roy: Think about how often it’s used in our daily lives. You can see zippers on
dresses, trousers, shoes, bags…almost everywhere!
Paul: Well, you do seem to have a point…
Roy: Of course! I thought about it because I saw a website last week. The pioneers of
different inventions were listed there. For example, it mentioned that the zipper was
invented by Whitcomb Judson in 1893. But at that time, it wasn’t used widely.
Paul: Really So when did it become popular
Roy: Around 1917.
二、新课讲解
have a point 是动词短语，意为 “有道理”。如：
Language points
二、新课讲解
1. Well, you do seem to have a point.
I admit (that) you have a point. 我承认你有理。
be used for doing sth. 表示“被用来做某事”。与 be used to do sth. 同义。
表示用途、目的。如：
Language points
二、新课讲解
2. They are used for seeing in the dark.
This computer is used to control all the machines.
这台电脑是用来控制所有机器的。
think about 是动词短语，意为“考虑，想起”。如：
Language points
二、新课讲解
3. Think about how often it’s used in our daily lives.
He is thinking about travelling in the summer holidays.
他正在考虑暑假旅游的事。
(1) think of 指“考虑, 记忆, 记起”;
(2) think sth. over 指“仔细想, 审慎思考, 作进一步考虑”;
(3) think sth. out 指“想通, 想出, 熟思”。
Language points
二、新课讲解
三、归纳小结
四、强化训练
补全下列英文段落。
The first invention is shoes with ________. People always hit their toes on __________ on the way to the bathroom at night. So people can use them for ________ in the ______. The second invention is a special ice-cream ______. It runs on _________ and becomes hot. It’s _____ 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 are just going out for _________.
something
seeing
dark
lights
scoop
electricity
used
cold
heels
down
up
raise
party
lower
shopping
五、布置作业
翻译句子。
1. 我承认你有理。
2. 你知道这个工具是用来做什么的
3. 他正在考虑暑假旅游的事。
4. 我想仔细考虑一下这件事。
5. 他想出了一个新主意。