(共41张PPT)
Unit 6
When was it invented
Section B (3a-Self check)
情景式教学写作课公开课
人教新目标版 九年级(上册)
Learning objectives
1.学习本课新词汇：nearly
掌握句型：It is often difficult to decide on the inventor of certain inventions.
Some inventions can also lead to other inventions.
So some people doubt whether the inventor came up with the idea himself or herself.
2. 通过观看视频图片，能够用句型“be invented in/by..., be used for…,be made of/from/by...”描述发明物的时间，发明者，用途等。
3.通过阅读有关发明的文章，能够说出文章的结构，内容要素等；能够运用本单元的目标语言写一篇介绍自己身边的小发明的文章。
4.鼓励学生保持对科学发明探索的兴趣。
Watch a video and
answer the questions.
1. When was the paper
invented
2. What was the paper
made of at first
3. Who and improved the paper-making process And when
4. What was the paper made from then
5. Can you remember the inventions that have been mentioned in this unit
It was invented 2000 years ago.
It was made of silk.
Cai Lun improved the paper-making process 1900 years ago.
It was made of tree bark(树皮) and rags(破布).
Cai Lun made cheap paper out of tree bark and rags.
Can you remember the inventions that
have been mentioned in this unit
computer
car
T V
Can you talk about them
Who /When /What ....
light bulb
iphone
telephone
John Neumann/1946
surfing the internet
Karl Benz\1886
traveling
Baird/1925
watching news
Thomas Edison\1854
seeing in the dark
Steve Jobs/1977
chatting with friends
Bell/1876
communicating
Can you remember the inventions that
have been mentioned in this unit
zipper
Can you talk about them
Who /When /How /What ....
shoes with speacial heels
shoes with lights
hot ice-cream scoop
potato chips
basketball
1893/Whitcom Judson
used widely/shoes/bags
changing the stayle
of the shoes
seeing in the dark
serving really cold
ice-cream
Geoge crum/1863
by mitake
James Naismith/1893
played on a hard floor
Can you remember the inventions that
have been mentioned in this unit
tea/5,000 years ago
Sheng Nong/by accident
假如你是茶文化博物馆的讲解员,明天你要用英语向一批外国游客介绍茶的发明史。请根据提示,写一篇80词左右的书面介绍。
要求：
1.思路清晰，语句通顺，书写规范。
2.正确使用被动语态。
话题
文体
人称
时态
结构
Para. 1 开门见山
——介绍茶的发明
Para. 2 细节介绍
Para. 3 总结全文，升华主题
介绍茶
说明文
以第三人称为主
一般过去、一般现在
who, when, how, where
Can you write a passage to introduce tea.
Do you know how to write
this passage
When
Who
Process
Where
大约5000年前，茶最
先被喝。
Tea was first drunk
about 5000 years ago.
据说，茶是被神农发明的。
It is said that tea was invented by She Nong.
如今茶在全世界被人
们喜爱。
Today tea is loved all
over the world.
First, Shen Nong was ________(boil) drinking water.
Then, some _______(leaf) _____(fall) into the water and _________(remain) there _____ some time.
Next, it __________ (produce) a nice smell.
At last, Shen Nong decided _______(taste) the water and found it delicious.
boiling
leaves
fell
remained
for
produced
to taste
by accident
Do you know how to write
this passage
Para. 1 点明主题——介绍茶的发明
茶是世界上最受欢迎的饮料之一。 我想介绍一下它是如何被发明的。 Tea is one of the most popular drinks in the world.I would like to introduce how it was invented.
Para. 2 细节介绍：who, when, how, where
据说茶是神农被发明的。一天，神农正在篝火上烧水。然后，一些茶树的叶子掉到水里，在那里呆了一段时间。它产生一种令人愉快的气味。最后，神农决定尝尝水，他发现它很美味。 It is said that tea was invented by Shen Nong. One day, Shen Nong was boiling drinking water over an open fire. Then, Some leaves from a tea plant fell into the water and remained there for some time. It produced a pleasant smell. At last, Shen Nong decided to taste the water and he found it delicious.
Para. 3 总结全文，升华主题
总之，茶是被偶然发明的。如今，茶被视为中国传统文化的象征，被全世界喜爱。 In short, tea was invented by accident. Nowadays, tea is seen as a symbol of Chinese traditional culture and is loved all over the world.
Do you know how to write
this passage
How Tea Was Invented
Tea is one of the most popular drinks in the world. 茶是世界上最受欢迎的饮料之一。I would like to introduce how it was invented. 我想介绍一下它是如何被发明的。
It is said that tea was invented by Shen Nong. 据说茶是神农被发明的。One day, Shen Nong was boiling drinking water over an open fire. 一天，神农正在篝火上烧水。Then, Some leaves from a tea plant fell into the water and remained there for some time. 然后，一些茶树的叶子掉到水里，在那里呆了一段时间。It produced a pleasant smell. 它产生一种令人愉快的气味。At last, Shen Nong decided to taste the water and he found it delicious. 最后，神农决定尝尝水，他发现它很美味。
In short, tea was invented by accident. 总之，茶是被偶然发明的。Nowadays, tea is seen as a symbol of Chinese traditional culture and is loved all over the world. 如今，茶被视为中国传统文化的象征，被全世界喜爱。
Inventions are everywhere in our life.
bike
ball pen
robot
toothbrush
They are very useful and helpful.
What’s wrong with Cindy
She can’t find her glasses.
How can she find her glasses now
She can press the button.
Read Cindy’s article about her new invention.
Fill in the blanks with the correct words.
I’d like to introduce my new invention to you.
It is an alarm on your glasses. It ____________ (invent) three months ago. Because it _______ (make) of plastic, it is very light. It _______ (use) for _______ (find) your glasses in your home or at school. The alarm ___________ (control) by a remote control with a button on it. First, press the button, and the alarm will make a sound. Then, follow the sound to look for your glasses. You must want to know how much it is. It’s 20 yuan. It’s cheap and good. You can afford one.
Don’t you hate it when you can’t find your glasses If so, please
come to me and buy one.
was invented
is used
is made
is controlled
finding
Read the article again and answer the
questions. Mark the basis for your answers.
I’d like to introduce my new invention to you.
It is an alarm on your glasses. It was invented three months ago. Because it is made of plastic, it is very light. It is used for finding your glasses in your home or at school. The alarm is controlled by a remote control with a button on it. First, press the button, and the alarm will make a sound. Then, follow the sound to look for your glasses. You must want to know how much it is. It’s 20 yuan. It’s cheap and good. You can afford one.
Don’t you hate it when you can’t find your glasses If so, please come to me and buy one.
1. What invention is it
2. When was it invented
3. What is it made of
4. What is it used for
5. How does it work
6. How much is it
Read the article once more and find out the
outline(轮廓) of the passage.
Beginning
Body
Ending
Usage
Name ＆Time
Instruction
Price
Recommendation
I’d like to introduce my new invention to you.
It is an alarm on your glasses. It was invented three months ago. Because it is made of plastic, it is very light. It is used for finding your glasses in your home or at school. The alarm is controlled by a remote control with a button on it. First, press the button, and the alarm will make a sound. Then, follow the sound to look for your glasses. You must want to know how much it is. It’s 20 yuan. It’s cheap and good. You can afford one.
Don’t you hate it when you can’t find your glasses If so, please come to me and buy one.
Do you know how to introduce an invention
Beginning
Body
Recommendation
I’d like to introduce…/This is my new
invention…/My new invention is…
It was invented… Because it…
It is used for…
First… then… It costs…
Do you want to buy one
Don’t you… If so, please…
Have you ever come across any difficulties in your daily life
I am not able to take notes quickly in class.
It’s very hard for
me to get up early.
I’m worried about
my homework.
What inventions would you like to invent to solve them
Can we invent something new to solve those difficulties
Think of something that you do not like to do. Then
think of an invention that could help you. Make notes.
3a
Problem : .
New invention : .
What it is used for : .
taking notes in class
a special pen
quickly taking notes in class
Can you think about more details about this pen
What is it made of
What special thing does it have
What does it look like
How can it help you
Imagine you are a business person. Write
a description of your new invention.
Try to sell the invention to the class.
3b
This special pen was invented by Liu Jie. It has three colors and is used for …
假如你是一个商人，你有一项新发明。请以A special…为题介绍一下你的新发明，并将它推销给你的同学们。词数80-100。开头已给出，不计入总词数。
Do you know how to write the writing
1. 人称: 主要用第三人称
2. 时态: 一般现在时时态为主，其它时态为辅；
3. 语态：主要用被动语态
4. 题材：说明文
4. 常用句型：
① ... was invented by / in …
② ... is made of / from …
③ ... is used for...
④ I think … is a very useful invention.
5. 写作思路
首先，使用3b句型介绍发明的产品发明人名称；
其次：根据3a提示，使用句型介绍类型、用途及其制作材料等；
最后：介绍自己的使用感受效果等, 建议同学买一个。
注意：要恰当运用被动语态，检查时态、句子结构等是否正确。
写作指导
Do you know how to write the writing
思路点拨
Idea Expressions
简单介绍该钢笔
被发明及其特点
重点介绍该钢笔
的用途
...was invented by… is used for…
useful…
comes with… program the words…
write short form…
总结全文
contain up to… make changes…
常用句型：
1. I think … is a very useful invention. 我认为……是一项很有用的发明。
2. … was invented by … ……是由…… (某人)发明的
3. … was invented in … ……是在…… (某时间)发明的
4. It is used for … 它被用来……
5. … is made of ………是由……(材料)制成的
Do you know how to write the writing
Hi, boys and girls. I have a special invention. This special pen was invented by Liu Jie. It has three colors and is used for taking notes quickly in class. It was invented in 2012. It is made of plastic and steel. It can remember what the teacher said. It can also help write down the main points. I think it’s a useful invention.
Do you like it If you like it, please call me at 13562327969.
范文展示：
Write a passage about “the development of
the mobile phone” according to the the mind map.
假设这周你们学校的英语角谈论的话题是“手机的发展史”，请你根据图示要点和同学们谈论一下手机的发展变化，并描述你对未来手机的畅想。
The first phone
Invented by
Martin Cooper
in 1973
Big and heavy:
Only used for
making calls
Now
Smart phones
Small and light:
Have many uses
Do you know how to write the passage
1.细审题
假设这周你们学校的英语角谈论的话题是“手机的发展史”，请你根据图示要点和同学们谈论一下手机的发展变化，并描述你对未来手机的畅想。
定主题
定人称
以第三人称为主
定时态
一般现在时+
一般过去时+
一般将来时
定要点
State the invention of the first mobile phone in the past;
Describe the appearance and uses of the phones now:
Imagine appearance and uses of the phones in the future.
Do you know how to write the passage
1.细审题
2.列框架
Beginning
The popularity\important of the mobile phones
Body
State the invention of the first mobile phone in the past;
Describe the appearance and uses of the phones now:
Imagine appearance and uses of the phones in the future.
Body
Briefly state the influence mobile phone on
people's life
Do you know how to write the passage
1.细审题
2.列框架
3.扩句子
Beginning
The popularity\important of the mobile phones
be widely used/ be seen/more and more popular/part of our life/convenient/ Without doubt.
Mobile phones are widely used around the world and they have become part of our daily life. There is no doubt that they have make our life more convenient.
Today, millions of people have their own mobile phones. Without doubt, mobile phones have become necessary tools in people daily life.
Do you know how to write the passage
1.细审题
2.列框架
3.扩句子
Beginning
The popularity\important of the mobile phones
Can you write a similar sentence to introduce phones according to this sentence
Basketball is a much-loved and active sport that is enjoyed by many for fun and exercise.
The mobile phone is a much-loved and necessary tool that is enjoyed by many for fun and use.
Do you know how to write the passage
1.细审题
2.列框架
3.扩句子
Body
The first phone was invented by Martin Cooper in 1973.
It was big and heavy, lt was only used for making calls.
It was big and heavy, which was like a brick.
用比喻扩细节
Do you know how to write the passage
1.细审题
2.列框架
3.扩句子
Body
It was only used for making calls.
It was only used for making calls. Thanks to it, people could communicate with each other over long distances.
It was only used for making calls. Because of it, people could be able to talk to each other no matter where they are.
扩影响
It was only used for making calls.Thanks to it, people could able to talk to each other no matter how far they are.
Do you know how to write the passage
1.细审题
2.列框架
3.扩句子
Body
Now, the popularity of smart phones has risen rapidly
On the one hand, they are small and light. On the other hand, they own many uses.
For one thing, they are small and light. For another, they own many uses.
注意引导词的使用
They are not only small, but also very light. Besides,they have many useful functions.
Do you know how to write the passage
1.细审题
2.列框架
3.扩句子
Body
What are the common uses of smart phones
shop
study
watch movies
take pictures
chat on Wechat
make video calls
text messages
make phone calls
watch short videos
listen to music
attend meeting online
navigate to some places
Do you know how to write the passage
1.细审题
2.列框架
3.扩句子
Body
On the one hand, they are small and light. On the other hand, they own many uses. For example, people can not only make video calls with friends, but also take great pictures through phones.
On the one hand, they are small and light. On the other hand, they own many uses, such as going shopping online or studying online.
On the one hand, they are small and light. On the other hand, they own many uses, including chatting with friends cr reading booksonline.
扩句子
Now, the popularity of smart phones has risen rapidly
Do you know how to write the passage
1.细审题
2.列框架
3.扩句子
Body
假设这周你们学校的英语角谈论的话题是“手机的发展史”，请你根据图示要点和同学们谈论一下手机的发展变化，并描述你对未来手机的畅想。
In the future, the smart phones will be as thin paper and as light
as feathers.What's more, fast wireless charging will take place as people expected.
in the future, the smart phones will be more environmentally friendly.
Do you know how to write the passage
1.细审题
2.列框架
3.扩句子
Ending
In short/ln a word/All in all, mobile phones have made a great difference to our life. But do remember to use it wisely.
In short/In a word/All in all, mobile phones have changed the way we live and the way we work.
Do you know how to write the passage
1.细审题
2.列框架
3.扩句子
4.成篇章
Today,millions of people have their own mobile phones.Without doubt, mobile phones have become necessary tools in people's daily life.
The first phone was invented by Martin Cooper in 1973. it was big and heavy, which was like a brick. It was only used for making calls.Thanks to it, people could communicate with each other over long distances.Now,the popularity of smart phones has risen rapidly. On the one hand, they are small and light. On the other hand, they have many uses.For example, people can not only make video calls with friends, but also take great pictures through phones. In the future, the smart phones will be as thin paper and as light as feathers. What's more, fast wireless charging will happen as people expected.
In short, mobile phones have changed the way we live and ln way ue wark.
Read the passage about the invention of
Computer.
Computer
Computers are becoming more and more important in our daily life. Do you know when the computer was invented The computer was invented in 1946. At that time , it was huge. With the development of science and technology, the computer has grown smaller. Now there are many kinds of computers, such as personal computers and laptops. The computer is a very useful tool in our life.
For example , it can send some messages to foreign friends by e-mail. What’s more , it can share information with others through the World Wide Web. We can also listen to music or play the game on computers. It makes us relax.
It’s hard to imagine what our life would be like without computers. I think computers will be more convenient and they are going to change our life completely in the near future.
Do the exercise.
Self Check
It is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may ______ things which are _______ the same. It’s hard to tell who came up with the idea first. Some inventions can also lead to other inventions _____________. So some people _____ whether the inventor came up with the idea himself or herself. They think that the inventor used someone else’s idea to create his or her invention. That is why books or _______ usually _______ more than one inventor when giving information about inventions.
invent, doubt, mention, nearly, website, all of sudden
Complete the passage with the correct
forms of the words in the box.
invent
nearly
all of a sudden
doubt
websites
mention
Do the exercise.
Self Check
1. Someone stole my watch.
_________________________________
2. They used five eggs to make this big cake.
__________________________________
3. When did they invent the personal computer
__________________________________
My watch was stolen (by someone).
When was the personal computer invented
Five eggs were used to make this big cake.
2. Rewrite these sentences using the passive voice.
4. They asked us not to run in the hallway.
__________________________________
5. Someone took the video back to the store.
__________________________________
We were asked not to run in the hallway (by them).
The video was taken back to the store (by someone).
Do the exercise.
Self Check
Invention: _________________________
When: _________________________
Who: _________________________
Purpose: _________________________
in 2013
umbrella with a light
Li Meng
seeing in the rain in the dark
3. Find out information about an invention you would
like to know more about and write sentences below.
It is used for seeing in the rain in the dark .
It is used to see in the rain in the dark .
It was invented in 2013.
It was invented by LiMeng.
For today's homework
Revise your composition.
2. Preview the new words and expressions in Unit 7.
3.计算机在我们的生活、工作中的作用越来越大，你知道计算机的起源与发展吗？请结合计算机的发明时间(1946年）、外形、用途等方面，谈一下它的发展变化，并说明你对未来计算机的畅想。
要求：1.意思连贯，语句通顺；词数不少于80。
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Unit 6 Section B 3a-Self check学案 (知识精讲+分层作业)
【重点句型】
1. It is often difficult to decide on the inventor of certain inventions.
It’s hard to tell who came up with the idea first.
这两个句子中的it都是形式主语，真正的主语是后面的动词不定式to decide on the inventor of certain inventions和to tell who came up with the idea first.
句型为：It+ be+ adj.\ n.+ (for sb.) + to do sth.
It’s difficult for me to learn English well.
It’s important to get up early and play sports.
2. They asked us not to run in the hallway.
ask sb. to do sth. 请求某人做某事。其中动词不定式to do sth.在句子中作宾语补足语。
ask sb. not to do sth. 请求某人不做某事。
用于该句型的动词还有：tell ab. to do sth. 告诉某人做某事。
warn sb. to do sth. 警告某人做某事。
expect sb. to do sth. 期待某人做某事。
encourage sb. to do sth. 鼓励某人做某事。
The teacher told us to do our homework on time.
He encouraged us to achieve our dreams.
单项选择
( )1.Some things invented by accident.
A. can B. were C. is D. was
( )2. is the key to knowledge.
A. Questions B. Problems C. Doubt D. Mistakes
( )3.—These bananas look different and they are sweet.
—Right. They here from Hainan yesterday.
A. was bought B. were brought C. bring D. are brought
( )4.The milk strange. Do you think it’s OK to drink
A. was tasted B. tasted C. is tasting D .tastes
( )5.At the end of the meeting Miss Green two minutes to decide whether she should join the project or not.
A. gave B. had given C. was given D. was giving
二、用所给单词的适当形式填空
6.When I enter the paper factory, I find that the gas (smell) too terrible.
7.Her novels have gained in (popular) over recent years.
8. We can’t drink water, and we can just drink water.(boil)
9.Tea,the most popular drink, is an (accident) invention.
10.Can you name some ancient (ruler)
三、完成句子。
11. 令人惊讶的是,一些科学发现是偶然发现的。
Surprisingly, some scientific discoveries were made .
12. 我们学校的运动会将在下个月举行。
Our school sports meeting will next month.
13. 毫无疑问,迈克是他们班跑得最快的那一个。
Mike is the one who runs fastest in his class.
14.据说这位著名的歌星下周将来我们这座城市。
the famous singer will come to our city next week.
15.这个气球掉入水里,留在了那里。
The balloon the water and remained there.
四、完形填空
Housewives are working hard to clean grease(油腻) at every corner of the kitchen with their hands. Now, American scientists have invented a new kind of special 16 . It can help housewives say goodbye to the 17 work in the kitchen. After spraying(喷) some of the water on the kitchen table and floor. people can easily 18 the dirty points and areas.
Jeffrey Youngblood, a doctor of Purdue University, led his team to study _19 to make the dirty things easily cleaned for many years. Recently he 20 his study results to the world-"Self-cleaning water". There are some chemical(化学的 ) things in the water, which are safe to people. So don' t 21 . As a result people do not need to use too strong strength（力气） in cleaning their dirty things, wherever they are and whatever they are.
"Grease has 22 been a headache. Most of us know the fact that grease can' t be cleaned only by using water. However, the use of this water changes everything. 23 you want to clean grease easily, you can use this water. And it can be used to clean not only floors and walls, but also glasses and windows. It is also quite good to be used to wash clothes, Dr. Youngblood said. Some users found this special water is also environmentally friendly, 24 any special smell.
Now the special water has a good 25_ ---"superwater". It’s very popular in America and many families are using it. . .
( )16. A. machine B. paper C. water D. oil
( )17. A. hard B. simple C. dangerous D. strange
( )18. A. cover B. clean C. find D. repair
( )19. A. when B. why C. how D. where
( )20. A. introduced B. guided C. added D. sold
( )21. A. wish B. stop C. work D. worry
( )22. A. yet B. never C. always D. just
( )23. A. 1f B. Though C. So D. Unless
( )24. A. with B. without C. besides D. for
( )25. A. home_ B. price C. friend D. name
五、阅读理解
Last week I finished a class at a middle school, receiving some meaningful answers after I
asked the students what they would tell their parents about money.
Max said he would say: “Dear Mom. I need to give you some advice on money. I need more allowances(零用钱）! Many teenagers had the same answer: As a teacher, I advise on a few allowances and more if the kid helps with housework. Now that the kids are in middle school. it's time to think about paying them for doing something. My son missed a lot of school when he was in middle school so I offered the down payment(分期付款)on a car if he wouldn’t miss any school as a high school student and the result was that he finally got the car.
Grace wanted to tell her mom. “Only buy what we need.” Spending wisely and saving money is a good idea for all the students. The idea of thinking carefully about spending is exactly what I want to make them know in class. but they learn more at home. Teenagers look at their parents' spending habits, and they develop the same habits. So watch your behavior(行为)!
Nikola’s advice is helpful to all parents --- "Mom and Dad, I think I should take part in financial(财务的)activities more so that I can know how to deal with money when I grow up."
Remember, your kids watch everything you do especially when it is about money, so do it right, pointing them in right direction.
( )26. What does the author advise parents to do with their kids’ allowances
A. Stop giving them allowances at once. B. Buy them something they really need.
C. Give them more if they help with housework.
D. Teach them to make money by doing part-time jobs.
( )27. The author talks about her son to .
A.show she is good at teaching her children
B. tell readers how they can encourage children
C. show paying children for working really works
D. tell readers she also has a trouble child
( )28. The author wants to tell us in Paragraph 3 that parents should ________.
have a good relationship with their children
B be an example in spend and saving money
ask their kids for advice on spending money
D take classes to learn how to deal with money
( )29. What does the underlines word “behavior” mean
A. 表达 B.表演 C.行为 D. 动作
( )30．We can learn from the passage that Nicola__________.
expected to learn how to deal with money
B .wished his parents to mink about his future
C worried about his ability to deal with money
D had a good understanding of his parents
六、语法填空
The man in the photo is Narejo from Pakistan. He has 31 special pet—a goat called Simba.
Simba was born 32 June 4. 2022. His keeper Narejo was surprised by his long ears when he saw Simba for the 33 (one) time. The ears were 48 cm long. As Simba started to grow,his ears kept 34 (grow),too. About a week after Simba's birth, Narejo 35 (put)a photo of the goat online. Soon Simba became very popular.
Nareio thinks that Simba is the goat with the 36 (world) longest ears. Within 10 to 12 37 (week), a team of Guinness World Records will come to his home to see how long Simba's ears are.
Now, Simba is such a popular goat that many people want 38 (buy) him. But Narejo loves his pet goat very much and he isn't 39 (interest) in selling him. Narejo treats(对待）Simba differently from other goats. He has 36goats. All the other 35 goats live outdoors, __40 he allows(允许)Simba to live in his house with him.
31._________ 32._________ 33._________ 34._________ 35._________
36._________ 37._________ 38._________ 39._________ 40._________
Unit 6 Section B 3a-Self check学案 (知识精讲+分层作业)参考答案
一、单项选择
1-5 BCBDC
二、用所给单词的适当形式填空
6.smells 7.popularity 8.boiling; boiled 9.accidental 10.rulers
三、完成句子
11.by accident 12.take place/be held 13.without doubt 14.It’s said that 15.fell into
完形填空
16-20 CABCA 21-25 DCABD
阅读理解
26-30CCBCA
六、语法填空
31.a 32.on 33.first 34.growing 35.put
36.world’s 37.weeks 38.to buy 39.interested 40.but
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