(共21张PPT)
When was it invented
Section A 1a-2d
Unit 6
Amazing Chinese inventions
paper-making
造纸术
printing
印刷术
compass
指南针
gunpowder
火药
Amazing inventions
As far as we know, inventions can change our world!
They all make the world smaller and smaller.
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).
1a
A: I think the TV was invented before the car.
B: Well, I think the TV was invented after the car.
4
2
1
3
1b
Listen and match the inventions with the years.
____ 1876
____ 1885
____ 1927
____ 1971
d
a
c
b
两个数字一组，分为前后两组
1
1865 eighteen sixty five
1989
3
前两个数字不为零，后两个数字为零。
eighteen hundred
1900
4
非四位数的年份的读法！
531 five hundred and
thirty-one
two thousand
2001
two thousand and one
nineteen eighty nine
nineteen hundred
2
千年的读法
年份的读法
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.
A: When was the ________ invented
B: I think it was invented in ______.
1885
car
computer
1971
TV
1927
telephone
1876
___ shoes with
special heels
____ shoes
with lights
____ hot ice-cream
scoop, runs on
electricity
3
1
2
Listen and number the inventions[1-3] in the order you hear them.
2a
Listen again and complete the chart below.
2b
Invention
What is it / are they used for
shoes with special heels
shoes with lights
hot ice-cream scoop
__________ the style of the shoes
seeing ____________
__________ really cold ice-cream
serving
changing
in the dark
Make conversations using the information in 2b.
2c
What are shoes with special heels used for
changing
the style of the shoes.
They’re used for
Make conversations using the information in 2b.
2c
What are shoes with lights used for
seeing in the dark.
They’re used for
Make conversations using the information in 2b.
2c
What are hot ice-cream scoops used for
serving really cold ice-cream.
They’re used for
1. What are these
They are zippers.
2. What are they made of
They are made of plastic or metal.
3. What are they used for
They are used for locking clothes, bags and so on.
Lead-in
1. What is the subject for Paul’s school project
2. What kind of invention does Roy think of
3. Why does Roy think it is a great invention
4. Who was the zipper invented by
5. When did the zipper become popular
2d
Read the passage and answer the questions.
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: With 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!
Role-play the conversation.
2d
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.
1. What is the subject for Paul’s school project
Small inventions that changed the world.
2. What kind of invention does Roy think of
The zipper.
3. Why does Roy think it is a great invention
Because it is often used in our daily lives.
4. Who was the zipper invented by
Whitcomb Judson.
5. When did the zipper become popular
Around 1917.
2d
Language Points
1. pleasure名词，意为“高兴；愉快”。
e.g. He takes no pleasure in his work. 他从工作中得不到丝毫的乐趣。
【辨析】pleasure，pleased与pleasant
pleasure 名词，“高兴；愉快”。常用短语With pleasure./ My pleasure./ It’s a pleasure.
pleased 形容词，“高兴的”，短语be pleased to do sth. “乐于做某事”；be pleased with “对……满意”。
pleasant 形容词，“令人愉快的”，可作定语、表语，修饰物。
2. daily
（1）形容词，意为“每日的；日常的”。
e.g. Don’t you read the daily news in today’s newspaper
你（们）没有读今天报纸上的每日新闻吗？
（2）副词，意为“每日；每天”。
e.g. The milkman comes daily to our house.
送奶人每天都到我们家来送奶。
3. have a point 有道理
e.g. You have a point—it would be better to wait till tomorrow.
你说的有道理，还是等到明天比较好。
4. mention 动词，意为“提到；说到”，其后可接that引导的宾语从句。
e.g. He mentioned that the food was invented by a Chinese.
他提到这种食物是由一个中国人发明的。
【拓展】mention 的其他搭配
（1）mention sb. /sth. (to sb.) 向某人提起某人/某事
（2）mention doing sth. 提到做某事
【注意】Don’t mention it. 主要用来回答感谢，意为“不客气”；
有时也用来回答道歉，意为“没关系”。
Homework
老师可以在这里布置作业奥~
