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人教新目标九年级全一册英语:Unit 6 Section A(1a—2d) 课件(共28张PPT)

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.

key sentences 重点句型
Who was it invented by? 它是被谁发明的?
When was it invented? 它什么时候被发明的?
What was it used for? 它被用于做什么?

Do you know what these inventions are?
car computer

telephone

television

Do you know who the TV was invented by? Can you match the inventions with the right inventors?

Karl Benz Alexander Bell J. L. Baird John von Neumann

卡尔 奔驰 亚历山大 贝尔 贝尔德

约翰·冯·诺依曼

Alexander Bell 亚历山大 贝尔
Bell invented the telephone . The telephone was invented (by Bell) .

Karl Benz 卡尔 奔驰
Benz invented the car. The car was invented (by Karl Benz) .

J. L. Baird 贝尔德
Baird invented the television . The television was invented (by J. L. Baird) .

1a Look at the things below. In what order do you think
they were invented? Discuss them with your group. Then number them [1-4].

4

2

1

3

I think the TV was invented before the car.
Well, I disagree with you.I think the TV was invented after the car.

I think the telephone was invented before the computer.
Well, I agree with you.

I think … was invented before / after ...
Well, I …

1b Listen and match the inventions
with the years.
_d__ 1876 _a__ 1885 _c__ 1927 _b__ 1971

1c
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.

When was the telephone invented?

I think it was invented in 1876.

1c
A:When was the telephone invented? B:I think it was invented in 1876. A:Who was it invented by? B:It was invented by Bell.

4c Decide whether active or passive forms should be used in these sentence. Write the correct forms in the blanks.
The telephone _w_a_s_i_n_v_e_n_t_e_d (invent) by Alexander Graham Bell. He _w_a_s__b_o_r_n (born) in 1847. Mr. Bell _w__o_r_k_e_d_ (work) on the invention of the telephone with Thomas Watson.

In 1875, Mr. Bell __le_a_r_n_e_d__ (learn) how to send musical notes through an instrument

adj. 音乐的;有音乐天赋的

n. 仪器;工具

similar to a telephone. Finally, the telephone

_w_a_s_i_n_v_e_n_t_ed_ (invent) in 1876. The first

sentence that _w_a_s_s_a_i_d (say) on the telephone

by Mr. Bell was “Mr. Watson, come here; I

want to see you.” Today the telephone _is__u_s_ed_

(use) around the world.

There are three interesting inventions. Let's look at what they are.

Listen and number the

inventions [1-3] in the

2a

order you hear them.

_3__ shoes with special heels n. 鞋跟; 足跟

_1__ shoes with lights n. 勺; 铲子

n. 电; 电能

_2__ hot ice-cream scoop, runs on electricity

2b Listen again and complete the chart.

Invention
shoes with special heels shoes with lights

What is it / are they used

for?

_ch_a_n__g_in_g_ the style of the

shoes

n. 样式; 款式

seeing _in__t_h_e_d_a_r_k__

hot ice-cream scoop __se_r_v_i_n_g_ really cold icecream

2c Make conversations using the
information in 2b.
What are the shoes They’re used for with lights used for? seeing in the dark.

What is hot icecream scoop used for?

It's used for serving for really cold icecream.

What are shoes with special heels used for?

They’re used for changing the style of the shoes.

Group-work: Fill in the chart, then give a report
an useful invention Who was it invented by? When was it invented? What was it used for?
I think... is very useful. It is widely used in our everyday life. It was invented by... And It was invented in.... I think it is used for... I love the invention. How about you?

What’s this? Zipper. n. 拉链
Do you know who the zipper was invented by?

Read and answer the following questions. 1. Who was the zipper invented by?
It was invented by Whitcomb Judson. 2. When was the zipper invented?
In 1893. 3. When was it used widely?
Around 1917.
Role-play the conversation.

Summary
? key words重点单词 invent inventor invention
? key phrases重点短语 be used for doing sth. change the style of the shoes...
? key sentences重点句型 Who was it invented by? When was it invented? What was it used for?

Homework
According to the chart, find some information about an important invention you think, then write a short paper to introduce the invention.
an useful invention Who was it invented by? When was it invented? What was it used for?




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