(共21张PPT)
Unit 6
Listening and speaking
Period 2
---Wow, so many modern inventions were invented by inventors changed the world.Can you think of an invention
---I think ...is such a great invention.
--- When
--- ...
--- Who
--- ...
--- What’s it used for
--- ...
Pair work
paper making
Cai Lun
105 A. D.
printing
Bi Sheng
1041-1045
compass
11th Century
A scientist
gunpowder
9th Century
an alchemist
1b Listen and match the inventions
with the dates.
_____ 1876
_____ 1885
_____ 1927
_____ 1971
d
a
c
b
The telephone was invented in 1876.
1b Listen again and answer the questions.
Q1: What did the grandma’s family have when she was a kid
Q2: Why didn’t the family have a TV
A1: Her family had a telephone and a car.
A2: Because the TVs were expensive. They couldn’t afford one.
Inventions for women
adjustable 可调整的
the shoes with high heels
high—heeled shoes
the shoes with low heels
low—heeled shoes
Shoes with special heels
Invention
slippers
a battery
batteries
shoes with lights
runs on batteries
scoop
ice cream scoop
hot ice cream scoop
runs on electricity
Invention
2a Listen and and answer.
Q1: What are they talking about
Q2: Which invention does Carol like best
Q3: How do you change the style of shoes when you’re going to a party
A1: They are talking about some inventions.
A2: He likes hot ice-cream scoop.
A3: I increase the heels.
2b Listen again complete the chart
below.
________ the style of the shoes
hot ice-cream scoop
seeing _____________
shoes with lights
_______ really cold ice-cream
shoes with special heels
What is it / are they used for
Invention
changing
in the dark
serving
1b Listen and answer the questions.
Q1: What are they talking about
Q2: Who were the potato chips invented by
Q3: When were the potato chips invented
Q4: How did the potato chips taste
A1: They are talking about how potato chips were invented.
A2: George Crum.
A3: It was back in 1853.
A4:They tasted crispy and salty.
1b Listen and fill the blanks.
Q5: How were potato chips invented
A5:One day, a customer _________ the restaurant where George worked.He________ a plate of fried potatoes.When the potatoes came, he said they were cut too ____ and ______________ to the kitchen.Well, George was angry, so he cut the potatoes really, really _______, and he cooked them for a long time until they were_______.And he put lots of salt on them so they were really _______.
came into
ordered
thick
sent them back
thin
crispy
salty
The History of Potato chips
A:Do you know the history of potato chips
B: Yes,they were invented by mistake.
A:Who invented potato chips
A:When were potato chips invented
A:How did the potato chips taste
B: ...George Crum
B: ...1853
B: ..crispy and salty.
A:How were potato chips invented
B:One day, a customer _____ the restaurant where George worked.He_____ a plate of fried potatoes.When the potatoes came, he said they were cut too ____ and __________ to the kitchen.Well, George was angry, so he cut the potatoes really, really _____, and he cooked them for a long time until they were_____.And he put lots of salt on them so they were really ____.
Pair Work
2d Listen and translate
Paul: 嘿，罗伊，我的学校项目的课题是“改变了世界的小发明”。你能帮我想一种发明吗？
Roy: 乐意效劳！ 让我想一想......嗯......我知道了！拉链！
Paul: 拉链？ 它真的是一项这么伟大的发明吗？
Roy: 想想它在我们的日常设生活中被用得多么频繁。 你在连衣裙上, 裤子上， 鞋上，包上......几乎到处都能看到拉链！
Paul: 嗯， 看来你说的确实有道理......
Roy: 当然！ 我想到了它是因为上周我看到一个网站。那里列举了不同发明的创始者。例如，它提到拉链是由惠特科姆 贾德森在1893年发明的。但是在那时， 它并没有被广泛利用。
Paul: 真的吗？那么它是什么时候变得流行的？
Roy: 大约在1917年。
2dRead the conversation again and role-play it.
Year Invention Inventor(s)
1902 Air conditioner Willis Carrie
1903 Gas-motored and manned plane Wright brothers
1910 The first talking film Thomas Edison
1923 Television Logie Baird
1928 Penicillin (青霉素) Alexander Fleming
1937 Photocopier (影印机) Chester F Carlson
1940 Colour television Peter Goldmark
1942 Electric digital computer American scientists
1945 Atomic bomb American scientists
1950 Credit cards Ralph Schneider
1985 Windows OS Microsoft Company
1990 World Wide Web Tim Berners-Lee
1). Edison _________ the electric lamp.
2). I lost my necklace last night. I
haven’t ________ it.
3). Who ___________ America first
invented
found
discovered
★used to do sth.意为“过去常常做某事”。
I used to smoke when I was young.
★use sth. to do sth.意为“使用某物来做某事”, 其被动结构为“sth. be used to do sth.”。
These knives are used to cut pies.
知识链接
