(共33张PPT)
人教九上英语同步精品课件
人教版九年级上册
Unit 6 When was it invented
Section A 1a-2d
听说精品课
1.学习本课新词汇: heel, style, project, pleasure, daily, website, pioneer, list, mention,be invented by/in..., be used for/to do...
掌握句型：When was the car invented
It was invented in 1885.
What are they used for
They’re used for seeing in the dark.
3. 在听力练习中，能听懂一般过去时被动语态的句子谈论发明和发明的历史以及发明的用途等。
4.在听说练习中能够使用被动语态谈论生活中的发明。
学习目标
Talk about Chinese four great ancient inventions.
What are the four great inventions in ancient China
Can you guess which one of them was invented first
paper-making 造纸术
printing [ 'printi ] 印刷术
compass ['k mp s] 指南针
gunpowder ['g npa d (r)]
火 药
printing
Bi Sheng invented the printing.
The printing Bi Sheng.
was invented by
Who was the printing invented by
When was it invented
It was invented in Song Dynasty.
1300 years ago
/ Song Dynasty
(print)
paper making
In Han Dynasty
(make paper)
Who was the paper making invented by
Cai Lun invented the paper making.
The paper making Cai Lun.
was invented by
When was it invented
It was invented in Han Dynasty.
gun powder
Who was the gun powder invented by
Tang Dynasty
(fight in the war)
Chinese people invented the gun power.
The gun powder Chinese people.
was invented by
When was it invented
It was invented in Tang Dynasty.
compass
Warring States Period
(find the right directions)
Who was the compass invented by
Chinese people invented the compass.
The compass Chinese people.
was invented by
When was it invented
It was invented during the Warring States Period.
年份的读法
01
两个数字一组，分为前后两组
02
前两个数字不为零，后两个数字为零。
04
非四位数的年份的读法
03
千年的
读法
1655
sixteen fifty five
1964
1700
Seventeen
hundred
1600
nineteen sixty four
sixteen hundred
457
four hundred and fifty-seven
2000
two thousand
2002
two thousand and two
nineteen sixty four
sixteen hundred
two thousand and two
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.
4
2
1
3
1a
A: I think … was invented before …
B: Well, I think … was invented after ….
The telephone was invented before the car.
The car was invented before the television.
The television was invented before the computer.
一般过去时的被动语态
was/ were + 及物动词-ed形式
Listen and match the inventions with the years.
____ 1876
____ 1885
____ 1927
____ 1971
d
a
c
b
A: When was … invented
B: It was invented in …
1b
1. When were cars invented
A. In 1876. B. In 1885. C. In 1927.
2. What was invented in 1876
A. The telephone. B. The TV. C. The car.
3. When were personal computers invented
A. In 1885. B. In 1927. C. In 1971.
Listen again and answer the questions.
1b
Make new conversations with your partner using the information in 1b.
I think it was invented in 1876.
When was the telephone invented
Bell,1876
1971
Karl Benz,1885
J. L. Baird, 1927
It was invented by Bell.
Who was the telephone invented by
1c
2a
Listen and number the inventions [1-3] in the order you hear them.
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 below, pay attention to the structure “be used for”.
changing
serving
in the dark
n. 样式; 款式
in style 流行的, 时髦的
out of style 过时的
the style of… ……的样式/款式
2b
be used for doing sth.表示“被用来做某事”。
与be used to do sth. 同义。 表示用途、目的。
Make conversations using the information in 2b.
A: What are they used for
B: They’re used for …
2c
Read the conversation of 2d on Page 42 and try to answer the questions.
1. Who invented the zipper
2. When was the zipper invented
3. When was it first used widely
Whitcomb Judson invented the zipper.
It was invented in 1893.
It became popular around 1917.
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!
pleasure 名词，意为“高兴;愉快”。
—Thanks for helping me.
—My pleasure. / It's a pleasure.
pleasure 名词，“高兴；愉快”。常用句子 My pleasure. / It’s a pleasure. / With 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”，句子的主语通常为人。
pleasant 形容词，“令人愉快的”，可作定 语、表语，修饰物。
I am pleased with the painting.
Wish you a pleasant journey!
是别人对你进行感谢时的回答语。“这是我/一件很乐意去做的事情”。
是别人请你帮忙时的回答语。“非常乐意”。
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!
①形容词，意为“每日的；日常的”。
②副词，意为“每日；每天”。
He does daily exercises to
help control his weight.
The Visitor Centre is open
daily 8:30 a.m.-4:30 p.m.
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.
You have a point — we should
protect the environment.
I admit (that) you have a point.
I guess you have a point there.
have a point固定短语，意为“有道理”。
1、What is it / are they used for
LANGUAGE POINTS
be used for doing sth.表示“被用来做某事”，与 be used to do sth. 同义，表示用途、目的。
This computer is used to control all the machines.
This machine can be used for cutting grass.
★ be used as意为“被用作为…… ，被作为……使用”
English is used as a foreign language in China.
★ be used by意为“被……使用”
Rubbers are used by the students to correct mistakes.
拓展
eg: It’s my pleasure to talk to you.
My pleasure / It’s a/my pleasure/With pleasure. 不客气。
2.、pleasure n. “高兴;愉快”
please v. 使满意
pleasant adj. 令人愉快的
pleased adj. 高兴的，满意的
pleasing adj. 令人满意的，令人高兴的
常用短语:
be pleased to do sth. /be pleased with sb.
daily n. 日报（every day）
China Daily 《中国日报》
3、Think about how often it’s used in our daily lives.
daily adj.“每日的；曰常的”（weekly, monthly, yearly）
in our daily lives /life 在日常生活中
eg: It’s not easy for us to make a true friend in our daily life.
daily adv. 每天；每日（every day）
eg: The machine was inspected twice daily.
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。
—He always appears to have a point.
—That’s because he’s really knowledgeable and experienced.
4、Well, you do seem to have a point ...
have a point 意为“有道理”
He didn’t mention his parents in the letter.
Could I ask if you have mentioned this to her till now
Did he mention where he was going
5.、For example, it mentioned that the zipper was invented by Whitcomb Judson in 1893.
mention v.“提到，说到”
mention sb./sth. 提到某人/某物
mention sth. to sb. 向某人提起某事/某物
mention +从句 提到……
Don’t mention it. 不客气（道谢时）。
6、 invent v. 发明 指经过认识和实践创造出前所未有的事物。
Edison invented the light bulb. 爱迪生发明了电灯泡。
invention和inventor 都是名词, 前者意为“发明”, 后者意为“发明家”。
辨析invent/discover/find/find out
① invent意为“发明；创造”，主要指通过想象、研究、劳动等创造出前所未有的东西，尤指科技上的创造发明。
② discover指发现或偶然发现本身就存在但未被认识的事物。
find强调找的结果，即发现某种本来存在,但以前未被发现或未为人所知的事物。
④ find out指经过观察、调查，把某事物查出来，意为“搞清楚；弄明白”。
6、Think about how often it's used in our daily lives.
think about表示“考虑；想起”。
He is thinking about travelling in the summer holidays.
他正在考虑暑假旅游的事。
She was thinking about her childhood days.她正在回想她的童年时期。
think of 指“考虑；记忆； 记起” I can’t think of his name at the moment. 我一时想不起他的名字。
think sth. over 指“仔细想, 审慎思考；作进一步考虑” Please think over what I said. 请仔细考虑我说的话。
think sth. out 指“想通；想出；熟思” He thought out a new idea. 他想出了一个新主意。
Ⅰ. 单选。
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, Daming.
—________
A. Don’t mention it. B. Never mind.
C. Of course not. D. No problem.
3. High-speed trains are seen as one of the new Four Great_____of China.
A. Achievements B. Agreements C. Environments D. Inventions
√
√
√
II. 根据语境, 从方框中选择恰当的短语填空, 有的需要变换形式。
think of, have a point, with pleasure, be used for, see a website
1. Pencils _______________ drawing and writing.
2. Who can ______________ a good way to remember the English words
are used for
think of
3. I _________________ this morning. I think it can help you with English.
4. —Could you please clean the room I’m
going to cook dinner.
—_________________. I’ll do it at once.
5. You puters play an important part in our daily lives.
saw a website
With pleasure
have a point
Homework
1. Understand the usage of the passive voice.
2. Master the words and the new sentences in this unit and preview next part.
谢谢
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