1. 英语：Unit1 Period 2 Section A 2a~2c&Self-check 2课件（新目标九年级）

2. Period 2

3. Irregular verbs begin-began-begun break-broke-broken
catch-caught-caught come-came-come
draw-drew-drawn drink-drank-drunk
drive-drove-driven feed-fed-fed
fly-flew-flown
forget-forgot-forgotten
freeze-froze-frozen
get-got-gotten
grow-grew-grown hang-hung-hung

4. Share your report.

5. Pairwork (1c:P68) A: When was the _______ invented?
B: I think it was invented in ______.
1976
1876
1927
1885
1971

6. --Who was the light bulb invented by?
Edison invented the light bulb.
--Who was the light bulb
invented by?
--The light bulb was invented by Edison.

7. --Who was the telephone invented by?
Bell invented the telephone.
--Who was the telephone
invented by?
The telephone by Bell.
was invented

8. Who was the car invented by?
Karl Benz invented the car.
Who was the car invented by?
The car
______ was invented by _______.
Karl Benz

9. Practice
A: Who was (telephone) invented by?
B: It was invented by Bell.
inventors
inventions
Papermaking
Plane
Washing machine
Light bulb
Car
Telephone
Karl Benz
Edison
Bell
Ts’ai Lun
Wright brothers
Fisher

10. inventions
high heels
adjustable 可调整的
adjustable heels

11. inventions
scoop
heat 加热
ice cream scoop

12. inventions
slippers
a battery
operate 操作
batteries

13. Who were they invented by? What are they used for?
heat 加热
adjustable 可调整的
operate 操作

14. inventions in the order
Listening
Listen and number the
inventions in the order
that you hear.

15. 2a 3 2 1

16. shoes with adjustable heels Chelsea Lanmon
Invention
Who was it/were they invented by?
What is is/are they used for?
shoes with adjustable heels
Chelsea Lanmon
scooping really cold ice cream
battery-operated slippers
Jayce Coziar and Jamie Ellsworth
seeing in the dark
heated ice cream scoop
Julie Thompson
changing the style of the shoes

17. A: What are those ?
B: They are battery– operated slippers.
A: ______ are they used for ?
What
used
B: They ___ ____ for seeing in the dark.
are
A: Oh, that’s cool! ____ were they invented ____?
Who by
B: Julie Thompson. And look at this
heated ____ _____ _______.
ice
cream
scoop
A: I know what it’s for. It’s used for
_________
scooping
out really cold ice cream.

18. was
invented
B: Right. It ____ ________ by Chelsea
Lanmon.
A: My favorite are those shoes with
adjustable
________ heels. You know – you can move the heels ____and______ up
down. by
They were invented ___ Jayce Coziar
and Jamie Ellsworth.
B: And what are they used for?
style
A: Well, you can change the ____ of your
shoes. You can ______the shoes go
make
from casual to dressy.

19. shoes with adjustable heels
Practice & Report
Jayce Coziar and
Jamie Ellsworth
shoes with adjustable heels
changing the style of the shoes.
What are they?
Who were they invented by?
What are they used for?

20. Who were they invented by?
Julie Thompson
seeing in the dark
battery-operated slippers
What are they?
Who were they invented by?
What are they used for?

21. What is it? Who was it invented by? What is it used for?
Chelsea Lanmon
scooping cold ice cream
heated ice
cream scoop
What is it?
Who was it invented by?
What is it used for?

22. PAIRWORK
What telescope
When
Who Galileo
Use watching stars
abacus
in the six century
Chinese
calculating

23. EXERCISES
用“invented” 或 “used for”填空.
1. What are electric slippers _______?
2. Who were shoes with adjustable heels ________ by?
3. When was tea ________?
4. What are microwave ovens _______?
5. When were potato chips ________?
used for
invented
invented
used for
invented

24. 把下列的句子变为被动语态的句子：
1、They speak English in Canada .
2、People used wood for making tables.
3、They are making computers in the USA.
English is spoken in Canada (by them).
Wood was used for making tables.
Computers are being made in the USA.
把被动句变否定
Computers aren’t being made in the USA.

25. More trees must be planted next year.
4、They have grown rice in South China.
5. We must plant more trees next year.
6. I am going to clean our classroom tomorrow.
Rice has been grown in South China.
把被动句变疑问.
Has rice been grown in South China？
More trees must be planted next year.
Our classroom is going to be cleaned tomorrow.

26. music candle activity glasses temperature cup Challenge:
Try to be an inventor!
music candle
activity glasses
temperature cup

27. Homework:
Describe one of your inventions and then write it down.
WB 2&3
Recite 2a