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Explanation: 1. annoying adj. 讨厌的, 恼人的 ( 往往指事物 ) My father is annoyed with me. 爸爸在生我的气。 e.g. annoyed adj. 生气的, 恼怒的 ( 往往指人 ) Electric hair dryer is an annoying invention. 电吹风是个讨厌的发明物。 e.g.
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When was it invented? The second period
Unit 9
3a PAIRWORKMake a list of five helpful inventions and five annoying inventions.
Helpful inventions Annoying inventionsexample telephone1. __________2. __________3. __________4. __________5. __________
example alarm clock 1. __________2. __________3. __________4. __________5. __________
vacuum cleaner
television
car
computer
fax machine air-conditioner
truckhair dryer
junk food
ice cream
Explanation:1. annoying adj. 讨厌的 , 恼人的 ( 往往指事物 )
My father is annoyed with me.爸爸在生我的气。
e.g.
annoyed adj. 生气的 , 恼怒的 ( 往往指人 )
Electric hair dryer is an annoying invention.电吹风是个讨厌的发明物。
e.g.
2. helpful adj. 有用的,有帮助的e.g.Computer is very helpful in modern society.电脑在当今社会非常有用。
Model 1
A: What is this?B: It is an alarm clock. A: What is it used for?B: It is used for waking people up in the morning.A: Do you think it is annoying?B: Sometimes, when I want to go on sleep.
Model 2
A: What is this? B: It is a light bulb. A: What is it used for?B: It is used for giving light.A: Do you think it is helpful?B: Yes, I think so. Because I always do homework and read books in the evening by its light.
Model 3
A: What is this?B: It is a microwave oven. A: What is it used for?B: It is used for heating cold food and cooking meals.A: Do you think it is helpful?B: Yes, I think so. Because my parents are very busy and I can use it to cook meals by myself.
A: What do you think is the most helpful invention?B: I think the most helpful invention is the vacuum
cleaner. A: Why is that?B: Well, it can help me clean the floor when mother
asks me to do the cleaning.
3b PAIRWORKDiscuss your opinion in activity 3a with your partner.
Model 1
A: What do you think is the most annoying invention?
B: I think the most annoying invention is the air-conditioner.
A: Why is that?B: Well, I feel uncomfortable in the room with
an air-conditioner.
Model 2
4 GROUPWORKChoose five inventions you would like to have if you are alone on an island.
A: I’d like to have a radio because I could listen to music all day.
B: Yes, but that’s not going to help you leave the island. I think it would be better to have …
Model 1
A: I’d like to have some matches because I could light a fire to keep warm.
B: Yes, but that’s not going to help you leave the island. I think it would be better to have a cell phone.
Model 2
A: I’d like to have a telescope because I could look far.B: Yes, but that’s not going to help you leave
the island. I think it would be better to have a signal lamp.
Model 3
Exercise
1. The TV ___________ (invent) around 1927.
2. They are used for ______ (see) in the park.
3. This kite _________ (make) by Uncle Wang.
4. Tea _____________ (discover) a long time ago.
5. Our classroom ________________ (should clean) every day.
was inventedseeing
was made
was discovered
should be cleaned
II. 用所给动词的适当形式填空:
1. ______ ____ the computer ________ ( 什么时候发明的 )?2. ____ was the car ________ ___ ( 谁发明的 )
?3. A pen ___ ____ ____(用来做 ) writing.
4. What do you think is ____ _____ _______ _________ (最有帮助的发明 )?5. He said the fish was ____ ______ ( 足够咸 )
。
When was
is used for
invention the most helpful
salty enough
Who invented by
invented
III. 根据汉语完成句子:
HOMEWORK 1.Continue finding out some useful and annoying inventions. 2.Preview Section B 1a / 1b.