人教版九年级全册Unit 6 When was it invented-Section A (1a-2d)课件(共53张PPT，内嵌音频)

(共53张PPT)
人教版九年级上册英语课件
Section A (1a-2d)
Unit 6
When was it invented
New Words
Ⅰ. 单词填写
1. style (n. ) 　　　　　　　
2. project (n. ) 　　　　　　　
3. pleasuer (n. ) 　　　　　　　
4. daily (adj. ) 　　　　　　　 　　　
样式；款式
项目；工程
高兴；愉快
每日的；日常的
New Words
5. website (n. ) 　　　　　　　
6. pioneer(n. ) _______________
7. list (v.&n. ) _______________
8. mention(v. ) _______________
网站
先锋；先驱
列表；列清单；名单；清单
提到；说到
Warming Up
Do you know what these inventions are
Karl Benz
Do you know who these inventors are
Alexander Bell
J. L. Baird
Can you match the inventions with the right inventors
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].
2
3
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 telephone was invented before the computer.
Well, I agree with you.
I think the TV was invented before the car.
我认为电视比汽车发明得早。
was invented意为“被发明”，此结构为一般过去时的被动语态。一般过去时的被动语态的结构为“was/were + 及物动词的过去分词”。
如：These trees were planted last year.
The car was bought yesterday.
Grammar
一般过去时的被动语态的疑问句型
①一般过去时的被动语态的一般疑问句结构为“was/were+主语+过去分词+其他？”。
Were the flowers planted last spring
②一般过去时的被动语态的特殊疑问句结构为“特殊疑问词+was/were+主语+过去分词+其他？”
When was the sports meeting held
Grammar
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”。
Grammar
discover, invent和find都是动词, 它们的词义相近, 但是有区别:
★discover意为“发现”, 指发现某种本来存在,但以前未被发现或未为人所知的事物或现象。
The lost bike was discovered at the bus stop.
丢了的自行车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。
Grammar
★invent 意为“发明”, 指发明以前不存在的东西。
Do you know who invented the computer
你知道谁发明的电脑吗？
★find 意为“找到, 发现”, 指偶然发现或几乎没有困难地发现。
I found some old photos in that drawer.
我在那个抽屉里发现了一些旧照片。
Grammar
【学以致用】
1). Edison _________ the electric lamp.
2). I lost my necklace last night. I haven’t ________ it.
3). Who ___________ America first
invented
found
discovered
Grammar
Listen and match the inventions with the years.
_____ 1876
_____ 1885
_____1927
_____1971
d
a
c
b
1b
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 telephone invented
B: I think it was invented in 1876.
1c
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.
Student B, cover the dates. 学生B遮住日期。
cover在本句中为动词，意为“（用东西）盖住”。常用于cover…with…结构中，意为“用……盖住……”，其被动形式用…be covered with…
如：Snow covered the ground.
Grammar
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
1
3
2
Listen again and complete the chart.
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
2b
The first invention is shoes with ________. People always hit their toes on __________ on the way to the bathroom at night. So people can use them for ________ in the ______.
Listen again and fill in the blanks.
something
seeing
dark
lights
The second invention is a hot ice-cream ______. It runs on _________ and becomes hot. It’s _____ for serving really _____ ice-cream.
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.
A: What are they used for
B: They’re used for …
2c
What are the shoes with lights used for
They’re used for seeing in the dark.
Role-play
What are hot ice-cream scoops 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.
Role-play
What are they used for
它们是用来做什么的？
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.
如：Clothes are used for keeping (= to keep) warm.
Wood can be used for building (= to build) houses.
The stick is used to write on the blackboard.
Grammar
★ be used as意为“被用作……，被作为……使用”
English is used as a foreign language in China.
★ be used by意为“被……使用”
Rubbers are often used by students to correct
mistakes.
Grammar
Role-play the conversation.
2d
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: My 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 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 passage and answer the questions.
What is the subject for their school project
2. What kind of invention does Roy think of
3. Why does Roy think it is a great invention
4. Who and when was the zipper invented
5. When did the zipper become popular
Small inventions that changed the world.
The zipper.
Because it is often used in our daily lives.
Whitcomb Judson invented it in 1893.
Around 1917.
1. ——Can you help me think of an invention
——My pleasure!
My pleasure也可说成It’s a / my pleasure.或 A pleasure，意思是“我的荣幸；愿为你效劳；这是件愉快的事”。
— Will you please help me take the books to the classroom
请你帮我把这些书带到教室里去好吗？
— My pleasure. / It's a pleasure.
愿为你效劳。
Grammar
p l e a s u r e n. 愉快；高兴
She took no pleasure in her work.
她觉得自己的工作毫无乐趣。
I will remember this meeting with pleasure.
我会愉快地记着这次的会晤。
It is a pleasure to work with you.
和你一起工作真是一件乐事。
Grammar
★ at (one's) pleasure 随便
You are free to come and go at your pleasure.
来去自由, 悉听尊便。
★ take pleasure in 以某事为乐，喜欢做某事
★ with pleasure 愉快地，高兴地，没问题
Grammar
2.Well, you do seem to have a point …
you do seem to have a point … 是个强调句，用“助动词do +谓语动词原形”的结构。
He does look well.
他的确看起来气色很好。
You did give me a fright.
你真把我给吓了一跳。
Grammar
【学以致用】
他昨天下午的确来这儿了。
一定要来我的生日聚会。
He did come here yesterday afternoon.
Do come to my birthday party.
Grammar
have a point 有道理
I admit (that) you have a point.
我承认你有理。
I guess you have a point there.
我想你说的有道理。
Strangely, both of them may have a point.
奇怪的是, 两个人似乎都有道理。
Grammar
3. … it mentioned that the zipper was …
mention v. 提到；说到
Don't mention this problem this evening.
今晚别提这个问题。
Nobody mentioned the real purpose of this meeting.
谁也没有提到这次会议的真正目的。
Grammar
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：He never mentioned his girl friend to me.
他从未向我提及他有个女朋友。
Grammar
2) 若后接动词，要用动名词，不能用不定式
Whenever I mention playing football, he says he’s too busy.
我一提起踢足球，他就说太忙。
3) not to mention意为“更不用说; 还不算”
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。
Grammar
4) 口语中说 Don’t mention it. 主要用来回答感谢。
如：
A：Thank you very much. 多谢你了。
B：Don’t mention it. 不客气。
Grammar
1). (2012辽宁大连) ——Thank you for taking me around your
school, Daming.
——________
A. Don't mention it. B. Never mind.
C. Of course not. D. No problem.
2). ——Sorry, Sir. I made a mistake again.
—— _____. Practice more and you will do better.
　A. Never mind B. I’m not sure
C. You’re welcome D. Don’t mention it
A
A
Exercise
根据句意和所给汉语提示, 完成下列单词的拼写。
1. That’s the most _________ (有用的) book.
2. It is said that Thomas Edison had 1,093___________
(发明) during his lifetime.
3.——What is this kind of machine used for
——It’s used for _________ (听) to music.
4. If you _________ (加热) the ice, it will soon become water.
5. Children also need time _________ (玩耍).
useful
inventions
listening
heat
to play
Exercise
句型转换
1. The personal computer was invented in 1976. (对划线部分提问)
_________ __________the personal computer _________
2. The shoes with lights were invented by Julie Thompson. (对划线部分提问)
_____ ____the shoes with lights _______ _______
When
was
invented
Who
were
invented
by
Exercise
3. Knives are used for cutting things. (对划线部分提问)
_______ _______ knives _______ _______
4. A Chinese named Cai Lun invented paper. (改为被动语态)
Paper _______ _______ _______ a Chinese named Cai Lun.
What
are
used
for
was
invented
by
Exercise
书面作业 (Writing work)
(1)默写所学的新单词
(2) 完成学生用书的相关作业
Homework
谢谢观看