Unit4 Then and now (第3课时） 课件（共41张PPT）

(共41张PPT)
Unit 4 Then and now
（Sound time、Cartoon time & Culture time ）
I can read and act Cartoon time.
I can use two tenses to describe my changes.
Our aims
我会读并表演Cartoon time。
我知道字母组合er的发音。
我能用两种时态描述我的变化。
I know the sound of “er”.
I know sth about the great inventions.
我知道有关伟大发明的知识。
Then and now
Eighteen years ago, I was a student.
I could speak English. I couldn’t swim. I didn’t work.
I wanted to be a teacher.
Now I’m a teacher. I can teach
English well. And I also like teaching English. I can swim, too.
Then and now
… years ago, I was …
I could …
I couldn’t …
I didn’t …
Now I’m …
I can…
I…
Twenty years ago, my mother used the_________ at home to call her friends. Now she has a _____________. My father listened to the ________ and read ___________ to get the news, but now he usually surfs the Internet and watches
the news on it, he also reads ________.
For me, ten years ago, I wrote _______
to my friends, now I write __________and send( 发送 ) _________ to them. It’s faster.
telephone
mobile phone
letters
e-mails
e-books
messages
radio
newspapers
How do you feel about this paragraph
Our lives have changed a lot in many ways.
My family
Now pupils(小学生) start to learn English at school.
Can you speak English
Bobby and Sam are having an English lesson.
My mother is a teacher.
She works hard every day.
My cousin is a worker.
Now he’s on holiday.
My mother is a teacher.
She works hard every day.
My cousin is a worker.
Now he’s on holiday.
sister summer winter driver brother father farmer water paper cooker waiter bigger
Can you find some other words
er
/ /
A. Bobby and Sam talked in class.
B. Sam ate eggs in class.
C. Bobby looked out of the window in class.
Miss Fox gets angry. Why
What do you think of Bobby
What do you think of Bobby
If you were Miss Fox, what would you say
…
注意：人物的语气、动作和表情哦！
What are Bobby and Sam talking about
Great inventions
It tells us the great inventions all over the world.
Great inventions
aeroplane
train
Who invented the aeroplane and the train
发明
What are the names of the inventors(发明家)
When did they invent the aeroplane and the train
How did they invent the aeroplane and the train
A hundred years ago, there were no plane. Then Wright and his
brother made the first plane.
The Wright brothers lived in the USA. They made bicycles.
The brothers watched birds. They watched them fly in the sky.
They wanted to fly like the birds.
They made a plane. They called it Flyer 1. On Dec.17th, 1903,
Wright climbed into the plane. The plane flew. The plane didn’t fly
very far: only 36 metres. It didn’t fly very high: only 3 metres. It didn’t
fly for very long: only 12 seconds. But it was the first plane!
The first plane
The first train
Great inventions
The Four Great Inventions of ancient China:
Papermaking
Printing
Gunpowder
Compass
Great inventions have changed our lives!
What other inventions do you know
你还知道哪些发明呢？
Edison(爱迪生)
penicillin 青霉素
Fleming 弗莱明
Watt 瓦特
steam engine 蒸汽机
An accidental discovery
(一次偶然的发现)
Stone Age People
They are the first people on earth.
Millions of years ago, people lived in caves.
They found that fire could cook raw (生的) meat.
After that, they cooked their food on the fire.
The father gave the boy some raw meat, the boy didn’t like the meat, he threw the meat into the fire, the fire cooked the meat. His father took the meat from the fire and gave it to the boy, the boy tasted the meat. It tasted nice. He ate the cooked meat. After that, the Stone Age family always cooked their food on the fire.
The father gave the boy some raw meat, the boy didn’t like the meat, he threw the meat into the fire, the fire cooked the meat. His father took the meat from the fire and gave it to the boy, the boy tasted the meat. It tasted nice. He ate the cooked meat. After that, the Stone Age family always cooked their food on the fire.
Twenty / Thirty years ago…
Now…
选择一幅图，在组内说一说
Our lives have changed in many ways!
How do you feel about these pictures
Twenty years ago, my mother used the_________ at home to call her friends. Now she has a _______________.
Ten years ago, Miss Gu wrote _________ to her friends. Now she sends (发送) _____________.
Ten years ago, people borrowed books from the library. Now people read__________________.
telephone
mobile phone
letters
e-mails
e-books
…
…
How is Miss Fox now
She finds Sam annoying funny.
哭笑不得
Brother Wright 莱特兄弟
Steven