Title: Speaking
1Unit 16
Speaking
2Who am I?
3Column A Alexander Bell Thomas Edison Laite
Brothers Madame Curie Steven Hawking Elbert
Einstein Isaac Newton
Column B The first plane The theory of
relativity The electric lamp Black holes in
universe The theory of Gravity Radium The first
telephone
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5air conditioner
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8sewing machine
refrigerator
electric washing machine
9VCD player
vacuum cleaner
electric iron
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11Inventions Advantages Disadvantages
cellphones 1.Communicate easily 2. 3. 1 2 3. .
12maglev train
13Some questions on maglev train
- How much did it cost to build such a train?
- Which city is the first in the world to build
the maglev train? - Can a maglev train run?
- How much is the ticket from the city to Pudong
Airport? - How long will it take to go to Pudong Airport
from the city? - If we can go to Beijing from Shanghai in a maglev
train, how much will the ticket cost, can you
guess?
14The advantages and disadvantages of maglev train
Inventions Advantages Disadvantages
maglev train
1.It is fast.
1.Its a waste of money.
2.Its clean and does not pollute the air.
2.Its too expensive.
3.It does not make any noise.
15 advantages disadvantages
16 nuclear energy advantages disadvages
17Some useful expressions
- Im afraid/ I cant agree with you./ I dont
think so./ I dont think that/ In my opinion/ I
feel that/ I think
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19clone
20- Write a composition My invention
- Preview Reading.