Unit6 When was it invented SectionB 3a-Self Check 课件(共26张PPT)人教版英语九年级全册

(共26张PPT)
Unit6 When was it invented？ SectionB 3a-Self Check
Language goals
语言
能力
学习
能力
思维
品质
文化
意识
培养学生热爱科学、
勇于探索的精神。
1.掌握常用词汇及句型: nearly,decide on, come up with 等;
2.用英语介绍某一项发明。
通过了解世界上一些对人类有着重大意义的发明的相关信息，开阔学生的眼界，培养学生的创造精神。
1.熟练掌握被动语态用法；
2.学会使用被动语态介绍某项发明。
1
2
3
4
Tea
Who was it invented by
It was invented by Shen Nong.
How was it invented
One day, Shen Nong was boiling water ...
What are the influences
It was brought to...
The tea trade...
Pre-writing
Revision
Who was it invented by
It was invented by ...
How was it invented
When he was...he was asked to...
How is it played
Divide...into... work togther...
stop... from doing sth...
Basketall
What are the influences
Pre-writing
There are so many inventions in our daily life .They are
useful and helpful .
New drills
What inventions have we learned
Review
How to introduce them
When was it invented
Who was it invented by
It was invented in/by…
What inventions have we learned
Review
How to introduce them
What is it/are they used for
Why are they invented by
They are used for…
What inventions have we learned
Review
How to introduce them
Who was it invented by
How was it invented
It was invented by ...
One day,...
What are the influences
Pre-writing
话题
文体
人称
时态
结构
Para. 1 开门见山——介绍机器人的发明
Para. 2 细节介绍
Para. 3 总结全文，升华主题
介绍机器人
说明文
以第三人称为主
一般过去、一般现在
who, when, how, where
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.
【参考范文】
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.
free talk
How many inventions have been mentioned in this unit
computer
car
zipper
T V
telephone
basketball
tea
potato chips
Let’s write
请你根据下表中的信息向大家简单介绍几项发明。
Invention Wheel Telephone Light bulb
Appearing time A few thousand years ago In 1876 In 1879
Inventor Unknown Alexander Bell Thomas Edison
Main material Wood Plastic and metal Glass and metal
Main use Making traveling faster For communicating over distance Giving light
谋篇布局
综述伟大的发明的共性
具体介绍其中两项发明
总结它们对人们生活的影响
Besides the above, there are … Thanks to
…, ours lives have been greatly improved.
I think the first great invention is … it was invented … ago and it was made of … I think it’s really such a … It has not only … but also … The next important invention is … It was invented by … it was made of … It is used to …
There have been many great inventions that have changed …
free talk
Inventions are everywhere in our life.
bike
ball pen
robot
toothbrush
A: What invention is it
B: …
A: Who was it invented by
B: ...
A: When and where was it invented …
Ask and answer in pairs.
积累成句
daily lives日常生活 be made of/from 由……制成
by accident 偶然；意外地
be used to/for 被用来……
at that time 在那时
without doubt 毫无疑问；的确
not only … but also … 不但……而且……
thanks to 由于；多亏
开头句：
Among all the modern inventions, I think … is the most important one.
I think … is such a great invention.
In my opinion, … is one of the greatest inventions.
Look and say
1. What’s wrong with Cindy
2. How can she find her glasses now
Presentation
Pre-writing
She can’t find her glasses.
She can press the button.
中间句：
It was invented … ago.
It was made of/from …
It was used to/for …
This invention can not only … but also …
This invention made it … for sb. to do sth.
How does it work
What about its development and the influences
Presentation
How do we introduce an invention
invention
What invention is it
Who was it invented by
When and where was it invented
Why was it invented
What is it used for
The prices
Summary
选择合适的词, 并用其正确形式完成短文
Basketball is a much-loved and active sport that is _________ by many people for fun and _________. It is played by more than 100 million people. In 1936 in Berlin, basketball became an event at the Olympics.
pleasant, invent, achieve, create, popular,
look up to, not only, hero, divide, enjoy
enjoyed
pleasure
Exercises
Basketball was _________ by a Canadian doctor named James Naismith. When he was a college teacher, he _________ a game to be played indoors. Players need to be _________ into two teams. Players on the same team must work together to get the ball in the other team’s basket. At the same time, they need to stop the competing team from getting the ball into their own basket.
pleasant, invent, achieve, create, popular,
look up to, not only, hero, divide, enjoy
invented
created
divided
Exercises
Now, the ___________of basketball has risen. Basketball has _________ become a sport to play, but also become a sport to watch. Many young people dream of becoming famous players. Some even _________ those basketball players. They regard them as _________. Those basketball stars encourage young people to work hard to _________ their dreams.
pleasant, invent, achieve, create, popular,
look up to, not only, hero, divide, enjoy
popularity
not only
look up to
heroes
achieve
Exercises
Homework
1. Review the words and phrases in this unit.
2. Practise using the sentence patterns we’ve learnt in this unit.
3. Master the usage of the grammar we’ve learnt in this unit.