鲁教版（五四制）九年级全册Unit 1 When was it invented? Section A 1a~2d课件(共29张PPT)

(共29张PPT)
Section
第 1 课 时 (1a~2d)
…………………………………
A
Unit 1 When was it invented
单词：heel, scoop, electricity, style, pleasure, zipper,
daily, website, pioneer, list, mention
短语：with pleasure, have a point
句型： it mentions that...
学会用被动语态谈论某种发明物；针对某物进行对话
Learning Goals
1
2
Let’s have a look at some amazing Chinese inventions.
paper-making
造纸术
printing
印刷术
compass
指南针
gunpowder
火药
Karl Benz invented the first car in 1885.
The first car was invented (by Karl Benz) in 1885.
The first telephone was invented (by Bell) in 1876.
Bell invented the first telephone in 1876.
The first television was invented (by J. L. Baird) in 1927.
J. L. Baird invented the first television in 1927.
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
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.
Talk about these inventions with your partner.
Language points
I think the TV was invented before the car.
我认为电视机是在汽车之前被发明的。
invent 是动词，意为“发明；创造”，尤指在科技上
创造出前所未有的东西。was invented 意为“被发
明”，此结构为一般过去时的被动语态。
※ The light bulb was invented by Edison.
电灯是由爱迪生发明的。
Listen and match the inventions with the years.
1b
d
1876
1885
1927
1971
a
c
b
a
b
c
d
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.
Listen and number the inventions[1-3] in the order you hear them.
2a
___ shoes with
special heels
___ shoes
with lights
___ hot
ice-cream
scoop
runs on
electricity
3
1
2
2b
Listen again and complete the chart below.
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
The first invention is shoes with ________. People always hit their toes against __________ on the way to the bathroom at night. So people can use them for ________ in the ______.
The second invention is a hot ice-cream ______. It runs on _________ and becomes hot. It’s _____ for serving really _____ ice-cream.
Listen again and fill in the blanks.
something
seeing
dark
lights
scoop
electricity
used
cold
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 _________.
heels
down
up
raise
party
lower
shopping
Make conversations using the information in 2b.
2c
A: What are they used for？
B: They’re used for...
A: What are the shoes with lights used for？
B: They’re used for seeing in the dark.
A: What are the shoes with special heels
used for？
B: They’re used for changing the style of
the shoes.
A: What are the hot ice-cream scoops used
for？
B: They’re used for serving really cold ice-
cream.
Language points
They’re used for... 它们被用来……
be used for...意为“被用来做……”，是被动语态结构，
其后可接名词或动名词。be used for doing sth.相当于
be used to do sth.。
※ Wool can be used for making coats.
=Wool can be used to make coats.
羊毛可用来做大衣。
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: 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！
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.
Read the dialogue in 2d, and answer the questions.
1. Who invented the zipper
It was invented by Whitcomb Judson.
2. When was the zipper invented
It was invented in 1893.
3. When was it used widely
It was invented in 1917.
1. With pleasure! 乐意效劳！
这是一个答语，用作礼貌地表示乐于接受或同意某事。
pleasure 是不可数名词，意为“高兴；愉快”，也可作
可数名词，意为“快乐的事”。
※ —Could you put it in the post to us
你能把它寄给我们吗？
—With pleasure. 乐意效劳。
Language points
2. Think about how often it’s used in our daily
lives. 想想它在我们日常生活中被使用的频率。
daily 在此作形容词，意为“每日的；日常的”；只用
于名词前作定语，相当于 everyday。daily 还可作名
词，意为“日报”；作副词，意为“每日；天天”。
※ Granny often tells us to save water in our daily life.
奶奶经常告诉我们在日常生活中节约用水。
3. For example, it mentioned that the zipper was
invented by Whitcomb Judson in 1893.
例如，它提到拉链是由惠特科姆·贾德森在1893年
发明的。
mention 作动词，意为“提到；说到”，常用短语
mention...to sb. 意为“跟某人提及……”。
※ Please don’t mention him to me.
请不要跟我提起他。
Ⅰ.根据句意和汉语提示填写单词
1. The clothes in that store are in different ______(样式)．
2. Please try this ________(网站)．I think it’s good for
beginners.
3. You’d better make a _______(清单) before shopping to
save time.
4. Mr. Black told me not to __________(提到) that bad
news at the meeting.
website
style
list
mention
Practice
1. When we arrived，the _________ went off. It was
dark everywhere.
2. Clean air and water are important in our _______
life.
3. What do you think is the greatest _________ of
the twentieth century
Ⅱ.从方框中选择适当的单词并用其正确形式填空
day electricity invent pioneer please heel
electricity
daily
invention
4. She doesn’t like to wear shoes with high _______.
It makes her uncomfortable.
5. Music can offer _________ to us, so many people
like listening to it.
6. The Russians were the ________ of space travel.
day electricity invent pioneer please heel
heels
pleasure
pioneers
1. The personal computer was invented in 1976. (对
画线部分提问)
______ _______ the personal computer ________
2. The shoes with lights were invented by Julie
Thompson. (对画线部分提问)
_______ _______ the shoes with lights _________
______
When was invented
Who were invented
by
Ⅲ.按要求改写句子，每空一词