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(共26張PPT)
Unit 6
When was it invented
Section A 1
1a~2d
Presentation
e.g. Edison, a great inventor, invented many great inventions during his life.
Edison, a great inventor, invented many great inventions during his life.
Karl Benz
Alexander Bell
J. L. Baird
Match and say
... was invented by ...
Karl Benz
J. L. Baird
Alexander Bell
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
--I think the TV was invented before the car.
--Well, I think the TV was invented after the car.
I think the TV was invented before the car.
Well, 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 …
Check the answers!拖動圖片到序號旁
1a
_____1876
_____1885
_____1927
_____1971
Listening
Listen and match the inventions with the years.
拖動對應編號到橫線上
1b
Watch and read and pay attention to Passive voice (past tense).
一般過去時的被動語態：
was/ were + done
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.
1c
When was the telephone invented
I think it was invented in 1876.
Pair work
When was the car invented
It was invented in 1885.
When was the TV invented
It was invented in 1927.
When was the computer invented
It was invented in 1971.
1. 電話是什么時候發明
的？
2. 汽車是誰發明的？
3. 電視機的發明早于電話
嗎？
4. 不是。電視機的發明晚
于電話。
5. 家庭電腦約于1971年問
世。
1. When was the telephone
invented
2. Who were cars invented by
3. Was the TV invented before
the telephone
4. No. The TV was invented after
the telephone.
5.Personal computers were
invented around 1971.
Listen and number the inventions [1-3] in the order you hear them.
2a
1
3
2
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
Listen again and complete the chart.
2b
n. 樣式; 款式
changing
in the dark
serving
be used for 被用做于……
Listen again and pay attention to the structure “be used for”.
What are the shoes with lights used for
Make conversations using the information in 2b.
2c
They’re used for seeing in the dark.
be used for doing sth.“被用來做某事”。
與be used to do sth. 同義。表用途、目的。
What are hot ice-cream scoop used for
They’re used for serving for really cold ice-cream.
What are shoes with special heels used for
They’re used for changing the style of the shoes.
Lead-in
What’s this
Where can you see it
Zipper.
Pants
suitcase
backpacks
boots
Answer the following questions.
1. Who invented the zipper
2. When was the zipper invented
3. When was it used widely
It was invented by Whitcomb Judson.
It was invented in 1893.
Around 1917.
附
有道理
1) 拉鏈是在1893年被惠特科姆.賈德森發明的。
The zipper ___ ________ ___ Whitcomb Judson ___ 1893.
2) 但是在那個時候，它還沒有被廣泛使用。
But ___ ____ _____, it ______ ______ widely.
was invented by
in
at that time
wasn’t used
Read and translate.
1. 靠電力運行
2. 被用來做……
3. 想出
4. 樂意效勞！
5. 如此偉大的一項發明
6. 在我們的日常生活
7. 有道理
8. 不同發明的先驅者
run on electricity
be used for ...
think of
With pleasure!
such a great invention
in our daily lives
have a point
the pioneers of different inventions
Role-play
1. Read the dialogue aloud for a few minutes by yourself;
2. Role play in groups;
3. Role play in front of the class.
We’ll see which group does the best.
1. Recite the conversation in 2d.
2. Preview the passage An Accidental Invention on page 43.

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