Unit 4 Topic 1 When was it invented?Section B 课件(共25张PPT，内嵌音频) 2023-2024学年英语仁爱版九年级上册

(共25张PPT)
Unit 4
Amazing Science
Topic 1
Section B
学习导航
重点研讨
课堂小结
当堂检测
学习目标
新知学习
新知学习
重点研讨
课堂小结
当堂检测
学习目标
Language Goal
能熟悉并正确运用本课时的重点单词和短语
能进一步巩固一般过去时的被动语态
能用英语谈论各项发明
新知学习
重点研讨
课堂小结
当堂检测
学习目标
The light bulb is a very important invention
because it can make our world bright.
light bulb
[b lb] 电灯泡
新知学习
重点研讨
课堂小结
当堂检测
学习目标
—How much do you know about him
—He is a great inventor.
—Who invented the light bulb
—Thomas Edison.
新知学习
重点研讨
课堂小结
当堂检测
学习目标
airplane
The airplane is a very important invention
because it helps us get to some place .
quickly
[ e ple n] 飞机
新知学习
重点研讨
课堂小结
当堂检测
学习目标
—Who invented the airplane
—Wilbur and Orville Wright.
The first airplane is quite different from today’s.
新知学习
重点研讨
课堂小结
当堂检测
学习目标
the first radio
—Who invented the radio
—Guglielmo Marconi.
新知学习
重点研讨
课堂小结
当堂检测
学习目标
The three inventions have changed our life greatly.
新知学习
重点研讨
课堂小结
当堂检测
学习目标
In 1895 in 1903 in 1879
Read 1a and match them.
新知学习
重点研讨
课堂小结
当堂检测
学习目标
1a Look, listen and say.
Michael: Look, a light bulb!
Jane: Yeah. it is widely used by people everywhere. Do you
know when it was invented
Michael: It was invented in 1879.
Jane: Who invented it
Michael: Thomas Edison. It's said that he invented more than two
thousand things during his life.
新知学习
重点研讨
课堂小结
当堂检测
学习目标
Jane: What about the radio
Michael: The radio was invented by Guglielmo Marconi in 1895.
Jane, let's go this way. Look! An airplane, but it's
different from today's.
Jane: Yes. It was invented by Wilbur and
Orville Wright in 1903.
新知学习
重点研讨
课堂小结
当堂检测
学习目标
1b Listen to 1a and choose the correct answers.
( ) 1. Where are Michael and Jane
A. In the science museum.
B. At the school library.
C. In the zoo.
D. In the park.
( ) 2. Which object is not mentioned in the conversation
A. Light bulb. B. Airplane.
C. Television. D. Radio.
A
C
新知学习
重点研讨
课堂小结
当堂检测
学习目标
1c Read 1a and complete the table.
Invention Inventor Year
light bulb
Guglielmo Marconi
1903
radio
airplane
Thomas Edison
Wilbur and
Orville Wright
1879
1895
新知学习
重点研讨
课堂小结
当堂检测
学习目标
A:What’s this
B:It’s …
A:When was it invented
B: It was invented in …
A: Who invented it
B:…
1d Discuss with your classmates the inventions listed in 1c. Let them guess which invention you are describing.
新知学习
重点研讨
课堂小结
当堂检测
学习目标
Do you know anything about jeans
Jeans
Inventions have changed our lives a lot. Let’s go to see another invention!
新知学习
重点研讨
课堂小结
当堂检测
学习目标
2 Fill in the blanks with the proper forms of
the given words.
The first jeans were produced in 1855. At that time, they ______________(not call) jeans and they were just hard-wearing pants designed for workers. The pants __________ (make) of the brown cloth. This kind of cloth ____ usually ______(use) for making tents. Nowadays, their materials have been changed so that it feels more comfortable. And many different jeans styles ____ also ________(create). They ____________( design) not only for workers but also for teenagers and women. Later jeans are popular all over the world.
were not called
were made
was
used
are
created
are designed
adj.耐磨的
新知学习
重点研讨
课堂小结
当堂检测
学习目标
3 Listen to the three passages. Match the pictures with the following information.
A. Karl Benz
C. Alexander Graham Bell
B. John Baird
Invention
Inventor
Year
a.1926
b.1876
c.1885
新知学习
重点研讨
课堂小结
当堂检测
学习目标
rocket cotton hospital model
satellite camera laptop plastic
4a Read the following words. Listen and check the vowels.
新知学习
重点研讨
课堂小结
当堂检测
学习目标
A: `When was the `digital camera `developed
B: It was `developed in the `1970s.
A: Was the `digital camera `developed in `Korea
B: `No.
A: `Where was it `developed
B: It was `developed in `Japan.
4b Listen and read the following sentences aloud, paying attention to the stress and intonation. Then use the words in 4a to make up similar conversations.
Language points
新知学习
重点研讨
课堂小结
当堂检测
学习目标
1. It is widely used by people everywhere.
电灯在各地被人们广泛的使用。
be used by… 意为“被……使用”by后接人或物（强调使用者 ）
e.g.Recorders are often used by English teachers.
be used for ... 被用来……是由use sth. for sth. / doing sth.结
构转变而来,介词for在这里表示用途或作用, 后面可以接名词、
代词或动词-ing形式。
e.g. This machine can be used for cutting grass.
这个机器可以被用来割草。
be used as意为“被用作为……，被作为……使用”
e.g. English is used as a foreign language in China.
新知学习
重点研讨
课堂小结
当堂检测
学习目标
2. It’s said that he invented more than two thousand things during his life.
据说他（托马斯·爱迪生）一生中发明了两千多种东西。
It’s said that…据说……
e.g.It’s said that she lived to be over 100 years.据说他活了100多岁。
it是形式主语，真正主语是that引导的从句。
e.g. It is said that you have sent him three letters.
据说你已经给他发了三封信。
类似的结构还有: It’s reported that... 据报道……
新知学习
重点研讨
课堂小结
当堂检测
学习目标
during one’s life 某人一生，相当于in one’s life。
e.g. Lei Feng did a lot of good things during his life.
雷锋在他一生中做了许多好事。
3. Jane, let's go this way.
go this way 走这边，相当于take/come this way。
4. Look! An airplane, but it's different from today's.
be different from 与……不同
My pen is different from you.我的笔和你的不同。
新知学习
重点研讨
课堂小结
当堂检测
学习目标
进一步巩固一般过去时的被动语态
英语谈论各种发明
Unit 4 Topic 1
Section B
新知学习
重点研讨
课堂小结
当堂检测
学习目标
1. 在日常生活中，我们都广泛使用手机。
Mobile phones ____ _____ _____ by us in our everyday life.
2. 第一条牛仔裤是在1855年生产出来的。
The first jeans _____ _________ in 1855。
3. Thomas Edison 在他的一生中发明了2000多件东西。
_____ _____ two thousand things _____ _______ ___
Thomas Edison _______ ___ ___.
4. 过去的飞机与现在的不一样。
The airplane in the past ___ ________ _____ today’s.
5. 据说Wright Brothers 发明了飞机。
___ _____ the airplane ____ ________ by Wright Brothers.
are widely used
were produced
More than
were invented by
during his life
is different from
It’s said
was invented
一、根据中文完成句子，注意动词的适当形式。