内容正文:
Module 1 Nature and environment
Unit 3 Electricity
阅读:
A dangerous servant ①
执教教师:
初中英语学科(牛津上海版)八年级第二学期第三单元第一课时
复制该页内容时,记得修改相关的数据——第X单元,第X课
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教学目标
本课时中,学生……
通过文本阅读,理解部分核心词汇的含义及用法,知道部分拓展词汇的含义,并在作业中加以巩固;
通过阅读概括文章大意并找出与电有关的事实信息;
借助流程图概括电进入千家万户的过程。
将教学设计中的“教学目标”粘贴在此。粘贴完后,记得用格式刷刷一下文字部分,保证字体、字号一致。或采用复制、粘贴,右下角出现一个粘贴的小图标(一个类似于文件夹的图表)后,单击该图标,选择“只保留文本”的方式,就能保证格式与原格式保持一致了。
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Think in mind
electricity /ɪˌlekˈtrɪsətɪ/ n.
invisible /ɪnˈvɪzəbl/ adj.
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Predict
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What are these people doing in the pictures?
What is Daisy doing in the second picture?
Which picture happens first?
Daisy
Benny
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servant/ˈsɜːvənt/ n.
______________ is a good servant but a bad master.
Fire / Money / Technology
Predict
Fire.
Fire is a servant when you can control it. People use it to do a lot of things, like cooking and heating. Fire is a master when it controls you. When people can not control fire, it burns down everything!
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Read for general idea
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What does ‘a dangerous servant’ refer to?
Where and when did the story take place?
Who are the characters in the story?
What is the story mainly about?
It refers to electricity.
Facts about electricity.
In the evening in Benny’s home.
Benny, Daisy and their parents.
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Read for details
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Beginning
paragraphs 1-3
What did Daisy want to do at first?
What did Benny want Daisy to do?
She wanted to buy a packet of sweets.
He asked Daisy to buy a packet of electricity.
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Read for details
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Did Benny believe electricity could be bought in packets?
Why did Benny ask Daisy to buy a packet of electricity?
Why do you think Benny said ‘I’ve tricked Daisy at last’?
No, he didn’t.
Beginning
paragraphs 1-3
He wanted to trick Daisy.
Benny had probably tried to trick Daisy before and hadn’t been successful. He thought he had tricked Daisy this time.
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Middle
paragraphs 4-13
What did Benny and his parents talk about?
Read for details
what electricity is
what electricity looks like
where electricity comes from
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Read for details
What is electricity?
It’s like water, in a way.
Electricity flows through a wire. A meter measures the amount you use, and you get a bill for it monthly.
meter/miːtə(r)/ n.
measure/ˈmeʒə(r)/ v.
How is electricity like water?
They both get measured by meters and they are billed monthly.
wire /ˈwaɪə(r)/ n.
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Read for details
What is electricity?
Electricity is a good servant, but a dangerous one...
It’s invisible. But we can change it into different forms of energy that we can see, hear or feel.
That’s not a bad explanation.
explain v.
Why is electricity a good servant? Why is it a dangerous one?
What does electricity look like?
explanation /ˌekspləˈneɪʃn/ n.
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Read for details
Where does electricity come from?
➲ D2 (Student’s Book)
Word Box
cable
power station
street
bulb
meter
wire
cable
power station
street
meter
wire
bulb
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Read for details
Ending
paragraph 14-21
packets that contain electricity
contain /kənˈteɪn/ v.
What was the packet of electricity?
Where do batteries get electricity from?
The chemicals inside.
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Think in mind
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What is each part of the story about?
Beginning
(paragraphs 1-3) Middle part
(paragraphs 4-13) Ending
(paragraphs 14-21)
Benny played a trick about electricity on Daisy.
Benny was the one who looked foolish in the end.
Benny and his parents talked about facts about electricity.
electricity from __________________________
electricity stored ________________________
Two kinds of electricity:
the power station
in batteries
➲ Task 1 (Worksheet)
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Think in mind
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How are batteries used in everyday life?
I like listening to music on my way to school. The headphone I use is powered by battery. The electronic bracelet I wear every day also needs battery.
My parents use laptop at work as well as at home. A vacuum robot cleans our house. I enjoy playing with my brother on switch, a very popular video game console. All of these need batteries to power up.
Batteries are widely used in our daily lives. Our day usually starts with the sound of an alarm clock. Whether you are using a traditional alarm clock, a digital clock, or the one on your mobile phone, batteries power all these.
laptops, wireless phones, and remote controlls. These electronic devices are highly dependent on battery power.
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Practice
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2. Electricity flows through cables under the streets.
3. Electricity comes into our flat through thin wires.
5. Electrical appliances start to work.
How does electricity come into our flat?
4. Electricity passes through a meter.
➲ Task 2 (Worksheet)
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1. Power stations produce electricity.
Copy the new words and phrases you learned in today’s lesson. Then read them aloud after the recording.
Read the story after the recording.
Complete Exercise A on page 32, Student’s Book.
Complete Exercise B on page 17, Workbook.
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Homework
录音2
com.apple.VoiceMemos (iOS 13.3.1)
com.apple.VoiceMemos (iOS 12.3.1)
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