Unit 1 When was it invented? Section A (1a—2d) 课件(共16张PPT)

(共16张PPT)
Unit 1 When was it invented
Section A (1a—2d)
Talk about the inventions(发明).
Which one do you think is the most helpful in our daily life
computer
car
calculator
laptop
telephone
cell phone
话题 谈论发明
重点 学会询问发明时间及用途的基本句型。
难点 掌握被动语态仅适用于及物动词的规则。
1a
Look at the things below. In what order do you think they were invented Discuss them with your group. Then number them [1-4](1=first,4=last)
1
2
3
4
1b Listen and match the inventions with the years.
a
b
c
d
When was the
...invented
1876
1885
1927
1971
a
c
b
d
1c PAIRWORK
A: When was the telephone invented
B:I think it was invented in 1876.
2a Listen and number the inventions[1-3] in the order you hear them.
3
1
2
___ shoes with
special heels
___ shoes
with lights
___ hot ice-cream
scoop, runs on
electricity
2b Listen again and complete the chart below.
Invention What is it/are they used for
______ the style of the shoes
seeing _________
_______really cold ice-cream
shoes with special heels shoes with lights
hot ice-cream scoop
2c
Make conversations using the information in 2b.
A: What are they used for
B: They’re used for...
2d Role-play the conversation.
Read the passage quickly and answer the questions.
What is the subject for Paul’s school project
2. What kind of invention does Roy think of
3. Why does Roy think it is a great invention
4. By whom and when was the zipper invented
5. When did the zipper become popular
Small inventions that changed the world.
The zipper.
Because it is often used in our daily lives.
Whitcomb Judson in 1893.
Around 1917.
1. 掌握下面的单词、短语和句式
单词 heel,scoop,electricity,style,pleasure,zipper,daily,
website,pioneer,list,mention
短语 have a point
句式 —When was the telephone invented
—I think it was invented in 1876.
2. 掌握重点语法
被动语态的一般过去时形式
Recite the conversation in 2d.
Homework
For man is man and master of his face.
人就是人，是自己命运的主人。