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1、Chapter3 A dangerous servantReadingNew words and expressions1.battery batteries 2.scratch ones head: think hard in order to find an answer 3.a light bulb 4.be careful with: give attention to sth. 5.be connected to: join 6.A dangerous servant: A person who works in another persons house, and cooks, c
2、leans ,etc, for them. v. serve/ n. service / n. servantNew words and expressions1.battery batteries 2.scratch ones head: think hard in order to find an answer 3.a light bulb 4.be careful with: give attention to sth. 5.be connected to: join 6.A dangerous servant: A person who works in another persons
3、 house, and cooks, cleans ,etc, for them. v. serve/ n. service / n. servant7.invisible: that cannot be seen 8.forms of energy: shapes or kinds 9.an iron 10.a rice cooker 11.a grin: a wide smile 12.get a bill 13.a meter 14.monthly: every month 15.in a way: not completelypartly16.Thats not a bad expla
4、nation: words that make something clear v. explain 17. movement energy: moving or being moved v. move 18. at last : in the end finally 19. a cableP32. C1.C2 and C3P32. C1.C2 and C3P32. C1.C2 and C3P32. C1.C2 and C3electricitymonthly in a wayenergyburiedP32. C1.C2 and C3a vacuum cleanera light bulba
5、fanan air conditionera washing machinea televisionmobile phonesa radioa rice cookera torchan ironHow do these electrical appliances work?Electricityforms of energylight energyheat energymovement energysound energyradioTVtorchrice cookfanvacuumcleanerironcomputermobile phonesheat energymovement energ
6、ylight energysound energyS l slhmm shl s selectricityQuestions: What is electricity? What can we change it into? Is electricity important or dangerous? forms of energysound energyheat energylight energymovement energya dangerous servantI. To skim the whole text and think about the questions. 1. Who
7、were talking about electricity? 2. What did Benny want to buy? 3. Could Daisy buy electricity when she returned? 4. Who was looking foolish at last?Page30 B Look and thinkA packet of sweets and a packet of electricity.Electricity.Benny.I. To skim the whole text and think about . To skim the whole te
8、xt and think about the questions.the questions.Because if not used carefully, electricity can hurt us.1. Listen to Paragraphs 1-3 carefully . 2. Practice reading out what Benny said. 3. Lets see who reads best. 2. To fill in the blanks. Electricity is a good _. It flows through a _ . A _ measures th
9、e amount you use and you get a _ for it _.It is like water in a _. Electricity is _ . However, we can change it into _ that we can _, _and _. But sometimes electricity is much _ _. So we must _ it.servant wiremeter billmonthly wayinvisible forms of energysee hearfeel dangerousmore be careful with.Re
10、ad Paragraphs 4-8 1. To think about the question “What does Electricity look like?” Paragraph 5.Read Paragraphs 9-13 How does electricity get to Bennys flat?It comes into our flat through thin wires, and these are connected to thick wires (cables) that are buried under the street. The thick wires ar
11、e connected to a power station.wiresmetercablesstreetpower stationbe connected tobe buried2. To do true or false. (1).( ) At first Benny thought his trick had been successful. (2).( ) Daisy bought packets of electricity for Benny when she returned from the shop. (3).( ) The chemicals inside the batteries produce electricity.TFT. Read Paragraphs 14-21 1. “Who looked foolish at last?” Benny.DiscussHomework 1. Copy the new words and recite them. 2. Reread the text and try to get the main idea. 3.Find out new words and expressions in the text, then underline them.
