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(共38张PPT)
Unit 6 When was it invented
Section A (1a-2d)
Words & Expressions
heel
scoop
electricity
style
project
pleasure
zipper
n. 鞋跟；足跟
n. 勺；铲子
n. 电；电能
n. 样式；款式
n. 项目；工程
n. 高兴；愉快
n. 拉链；拉锁
Words & Expressions
daily
have a point
website
pioneer
list
mention
adj. 每日的；日常的
有道理
n.网站
n. 先锋；先驱
v.列表；列清单；n.名单；清单
v.提到；说到
Do you know the English names of the four great inventions in ancient China
Printing
Compass
Paper making
Gunpowder
Which one of the four great inventions was invented first Which one of them was invented last
the Warring States Period
Eastern Han Dynasty
Tang Dynasty
Eastern Jin Dynasty
How did the four great inventions change people’s lives in ancient China
Paper enabled the creation of lightweight books and it was a better way of keeping records.
Moveable type printing made the books printed faster.
Compass was used for hamonizing( people’s lives and environments.
Weapons such as the fire arrow can be made using the gunpowder.
Can you name some of the modern inventions
Among all the modern inventions, I think four inventions have changed people’s lives a lot.
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)
A: I think the TV was
invented before the
car.
B: Well, I think the
TV was invented
after the car.
1a
Look at the picture. What are the girl and her grandmother talking about
_____ 1876
_____ 1885
_____ 1927
_____ 1971
a
b
c
d
你会读这些年份吗？
1b
Listen and match the inventions with the years.
_____ 1876
_____ 1885
_____ 1927
_____ 1971
a
b
c
d
d
a
c
b
Listen again and answer the questions.
1. Did the girl’s grandma have a telephone
2. Why didn’t the girl’s grandma have a TV
3. Why didn’t the girl’s grandma have a personal computer
4. Can you guess when the girl’s grandma was born
Listening Material
Alice: Was your life very difficult when you were a kid
Grandma: Oh, not really. Why
Alice: Well, you didn’t have modern inventions like a telephone, right
Grandma: Of course we did! How old do you think I am The
telephone was invented in 1876. You need to take a history class, Alice!
Alice: Haha! How about cars They weren’t invented yet, were they
Grandma: Yes, they were. Cars were invented in 1885. My family
had a car.
Alice: Well, did you have a TV
Grandma: No, we couldn’t afford one. They were expensive in
those days. The TV was invented around 1927, I think.
Alice: Well, I know that you didn’t have a computer because we
learned in school that personal computers were invented in 1971.
Grandma: You’re right. But I have one now!
Listening Material
1c
A: When was the telephone invented
B: I think it was invented in 1876.
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.
Look at the picture and answer the questions.
1. What can you see on the table
2. Do you know what they are used for
2a
3
1
2
Listen and number the inventions [1-3] in the order you hear them.
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
in the dark
serving
Listening Material
Alex: Hi, Carol. Wow, what are those
Carol: Hello, Alex. Oh, these are some of the interesting inventions
that I’m writing about for my English homework.
Alex: I see…What’s that, then
Carol: They’re shoes with lights. You use them for seeing in the
dark when you get up at night.
Alex: Oh, that’s a cool idea! I always hit my toe on something on
the way to the bathroom at night.
Carol: Next is a special ice-cream scoop. This is my favorite invention.
It runs on electricity and becomes hot.
Listening Material
Alex: I know what it’s for! It’s used for serving really cold ice-cream.
Carol: Yes, that’s right! The last invention I’m going to write about
is shoes with special heels. You can move the heels up and
down.
Alex: What are they used for
Carol: Well, you can change the style of your shoes. You can raise the
heels if you are going to a party or lower them if you are just
going out for shopping.
2c
Make conversations using the information in 2b.
A: What are they used for
B: They’re used for ...
2d
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!
Paul: Well, you do seem to have a point ...
Roy: Of course! I thought about it because I saw a websites 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.
Language Points
① I think the TV was invented before the car.（教材P41）
invent v. 发明
invention n.发明
inventor n.发明家
e.g. Edison invented the light bulb.
爱迪生发明了电灯泡。
辨析：discover, invent和find
e.g. The lost bike was discovered at the bus stop.
丢了的自行车被发现在公共汽车站那儿。
Later I discovered that he was so kind.
后来我发现他如此善良。
Do you know who invented the computer
你知道谁发明的电脑吗？
I found some old photos in that drawer.
我在那个抽屉里发现了一些旧照片。
be used for sth. / doing sth. 意为“被用来做某事”，表示用途或目的，后接名词或动名词，相当于be used to do sth.
e.g. Clothes are used for keeping (= to keep) warm.
衣服被用来保暖。
Wood can be used for building (= to build) houses.
木材可以被用来建造房屋。
② What are they used for （教材P42）
辨析：be used for, be used by和be used as
e.g. The building was used as a hotel twenty years ago.
20年前这座楼房被用作旅馆。
Erasers are often used by students to correct mistakes.
橡皮常被学生们用来改正错误。
③ Well, you do seem to have a point … （教材P42）
（1）you do seem to have a point ... 是个强调句，此处是“助动词do + 谓语动词原形”的结构。
e.g. He did come here yesterday. 他昨天的确来这儿了。
Do come to my birthday party. 一定要来我的生日聚会。
（2）have a point 有道理
e.g. Both sides have a point.
双方都有道理。
④ For example, it mentioned that the zipper was invented
by Whitcomb Judson in 1893. （教材P42）
(1) mention表示“提到；提及”，是及物动词，其后接名词或
代词作宾语时，无需用任何介词；另外注意不接双宾语。如：
e.g. I would prefer that you did not mention my name.
我希望你不要说出我的名字。
He never mentioned his new friend to me.
他从未向我提及他的新朋友。
(2) 若后接动词，要用动名词，不能用不定式。
e.g. Come to think of it, he did mention seeing you.
想起来了，他确实提到看见过你。
(3) not to mention意为“更不用说；还不算”。
e.g. He can speak French, German and Japanese, not to mention
English.
他会说法语、德语和日语，更不用说英语。
(4)口语中说Don’ t mention it. 主要用来回答感谢，有时也用来回答道歉。如：
e.g. A: Thank you very much. 非常感谢。
B: Don’ t mention it. 不客气。
A: I’ m sorry to have troubled you. 不好意思打扰你了。
B: Don’ t mention it. 没关系。
Exercises
一、用方框内所给词的适当形式填空。
1. I lost my key yesterday. I haven’t ________ it till now.
2. Who ___________ America first
3. The telephone was ________ in 1876.
found
discovered
invented
discover invent find
二、句型转换
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
（ ）1. English is widely used _______ many people around the world
_______ a second language.
A. by；for B. by; as
C. as；for D. for；as
（ ）2. —Thank you for taking me around your school, Danny.
— ________
A. Don’t mention it. B. Never mind.
C. Of course not. D. No problem.
三、单项选择
B
A
Homework
Preview the passage in 3a.
Do the exercises in students’ book.
Thank you!

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