内容正文:
Unit 4 Amazing Science
Topic 1
When was it invented?
Section B
电灯泡
飞机
耐磨的
朝鲜,韩国
/bʌlb/
bulb
/'eəplein/
airplane
hard-wearing
/kə'riə /
Korea
New words
A: What’s this in English?
B: It’s a bed.
A: What’s it made of?
B: It’s made of iron.
A: What’s it used for?
B: It’s used for sleeping on.
Review
A: What are they?
B: They are toothbrushes.
A: What are they made of?
B: They are made of plastic.
A: What are they used for?
B: They are used for brushing teeth.
A: What’s this in English?
B: It’s ink.
A: What’s it made from ?
B: It’s made from carbon.
A: What’s it used for?
B: It’s used for writing in.
A: What’s this in English?
B: It’s a pen.
A: What’s it made of ?
B: It’s made of metal.
A: What’s it used for?
B: It’s used for writing with.
We write on paper.
Paper is used for writing on.
We write with pens.
Pens are used for writing with.
We sleep on beds.
Beds are used for sleeping on.
Vi. + 介词 + 宾语
We sit on chairs.
Chairs are used for sitting on.
Inventor Year
A. Karl Benz a.1926
B. John Baird b.1876
C. Alexander Graham Bell c.1885
Listen and match.
A
C
B
c
b
a
3
P84
( ) 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
1b Listen and choose the correct answers.
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
When was it invented?
It was invented in 1879.
Who invented it?
Thomas Edison.
What do you know about him?
It’s said that he invented more than 1000 things during his life.
a light bulb
托马斯.爱迪生
When was it invented?
It was invented in 1895