七年级下册第六单元 - 沪教版初中阅读详解

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Module 3 Natural elements

Unit 6 Electricity

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Reading

Electricity all around

One evening, Daisy said, "I'm going to buy a packet of sweets. Does anyone want anything?"

Benny, Daisy's brother, replied, "Can you get me a packet of electricity?"

"Yes, I can," said Daisy. Then she went out.

Benny laughed, "She can't buy electricity in packets like sweets! She'll look foolish."

Mum said, "You mustn't say that, Benny!"

"What do you know about electricity, Benny?" Dad asked.

"Electricity gives us power. It flows through wires. It's like water, in a way," said Benny.

"You're right! Electricity comes into our flat through thin wires. These are connected to cables under the street," Dad added.

"What are the cables connected to?" asked Benny.

"They're connected to a power station," answered Dad.

A moment later, Daisy came back.

"May I have my packet of electricity?" Benny asked.

"Here you are!" said Daisy.

"But … these are batteries!" said Benny.

"Daisy's right," said Dad. "The chemicals inside batteries produce electricity."

Mum said, "Who looks foolish now, Benny?"

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Listening

Electricity in Benny's flat

The electricity in Benny's flat is not working. Listen to the conversation between Benny's father and mother. Circle ON or OFF below each photo.

Man: There's electricity in the other flats. Let's find out what's wrong. Was the washing machine on?

Woman: No, it wasn't.

Man: What was on? Can you remember?

Woman: Yes, I can. The lights in the living room were on. I was watching TV.

Man: Was the fridge on?

Woman: Of course. We must leave the fridge on all the time.

Man: Was the computer on?

Woman: No.

Man: How about the rice cooker?

Woman: Oh, yes, I remember. It was time to cook dinner and I just turned on the rice cooker.

Man: I think we need to take a look at the rice cooker.






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Speaking

B Speak up

Johnny's father is talking to Johnny about safety at home. Work in pairs. S1 is Johnny. S2 is Dad. Follow the example.

cover the meat

lock the door

switch off the electricity

test the water

tidy up




S1: May I change the bulb?

S2: No, you may not. You must switch off the electricity. Then you may change the bulb.



S1: ...

S2: ...



S1: ...

S2: ...



S1: ...

S2: ...



S1: ...

S2: ...

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