Unit 3P8 More practice课件 2024-2025学年牛津上海版（试用本）八年级英语下册

P46 Electricity W____ E_________ orks verywhere electrical appliances They all need ___________. electricity /ɪˌlek'trɪsətɪ/ It is a kind of energy. We can change electricity into different kinds of energy. / ‘enədʒi / What is electricity? How can we use it? Electricity can make electrical appliances work, so it can make our life more __________ and __________. Electricity is a good servant. comfortable convenient /ˈsɜːvənt/  /ɪn'vɪzəbl/ Can we see electricity? Can we use electricity for free? Every month, we get a bill for the electricity we use. /bɪl/ Electricity is invisible. adj. 隐形的；can’t be seen A meter measures the amount we use. /'mi:tə(r)/ /'meʒə(r)/ How does electricity come into our flats? Electricity flows through a wire. /'waɪə(r)/ (n.)金属丝 We call the thick wires cables. (n.)电缆 electricity dangerous It is a kind of _________. It comes into our flats through _____ We can’t see it, so it is _____. We can ___ it into different kinds of ____, like … It makes our life more …, so it is a good ____ We have learned... 1. facts about electricity 2. electrical appliances in Benny's flat 3. electrical safety at home and outside 4. how to save electricity 5. electrical safety rules for workplace and online learning Read for general idea 1. What is the passage mainly about? 2.What does "everywhere" refer to? Almost everyone today uses electricity in one way or another. 2. It talks about the uses of electricity. 1. It’s about how electricity helps people work. 1. What is the passage mainly about? Where does electricity work? Indeed, electricity finds as much work to do in the countryside as it does in the cities. in the countryside in cities 2. What does "everywhere" refer to? [ɪnˈdiːd] adv. certainly, really Read for general idea 1. What is the passage mainly about? 2.What does "everywhere" refer to? The uses of electricity. It refers to cities and the countryside. Electricity lights streets and buildings. How does electricity work in cities? Read for details in cities. warms people and animals lights streets and buildings Electricity Electricity heats food in cookers and cools it in refrigerators. [rɪˈfrɪdʒəreɪtə(r)] in cities. warms people and animals lights streets and buildings Electricity heats food in cookers and cools it in refrigerators. in cities. warms people and animals lights streets and buildings drives trains and works traffic lights and lifts. Electricity heats food in cookers and cools it in refrigerators. in cities. warms people and animals lights streets and buildings drives trains and works traffic lights and lifts. it works machines that make all kinds of goods. work run operate Electricity works the traffic lights to light streets and buildings. warm heat cool light bring drive help … Electricity works/runs/operates __n.__ to _______v._______. 使...运行 Electricity heats food in cookers and cools it in refrigerators. in cities. warms people and animals lights streets and buildings drives trains and works traffic lights and lifts. Everyday wonders such as computers and televisions use electricity to bring entertainment and news to millions of families. [ˌentəˈteɪnmənt] A. a feeling of surprise B. something that fills you with surprise and pleasure everyday wonder(s) √ electrical machines milk the cows chop their food cool the milk churn the butter In the countryside, /tʃɜːn/ [tʃɒp] Read for details Almost everyone today uses electricity in one way or another. 1. What details support it? 1. light streets and buildings. 2. warm people and animals. 3. heat food in cookers. 4. cool food in refrigerators. [rɪˈfrɪdʒəreɪtə(r)] 5. drive trains and work traffic lights and lifts. 6. work machines in factories. 7. power computers, televisions and electrical machines. 8. milk cows. 9. chop food. [tʃɒp] 10. churn butter [tʃɜːn] Electricity is used to Read for details Almost everyone today uses electricity in one way or another. 1. What details support it? 1. lighting 2. heating. 3. cooking. 4. storage. [ˈstɔːrɪdʒ] 5. transportation. 6. manufacturing.[ˌmænjuˈfæktʃərɪŋ] 7. entertainment 娱乐 制造业 8. farming. 9. agriculture. [ˈæɡrɪkʌltʃə(r)] 农业 10. food production. Electricity is used for 1. light streets and buildings. 2. warm people and animals. 3. heat food in cookers. 4. cool food in refrigerators. 5. drive trains and work... 6. work machines in factories. 7. power computers... 8. milk cows. 9. chop food. 10. churn butter Read and think 1. What is the most important use of electricity? 2. What is the most surprising use of electricity? 3. Where is electricity needed and used more in the cities or in the countryside? 1. lighting 2. heating. 3. cooking. 4. storage. [ˈstɔːrɪdʒ] 5. transportation. 6. manufacturing.[ˌmænjuˈfæktʃərɪŋ] 7. entertainment 8. farming. 9. agriculture. [ˈæɡrɪkʌltʃə(r)] 10. food production. in cities. in the countryside. …lights… … warms… …heats… and cools… …drives…and works… use … to bring… milk… and chop... . …cool… and churn… Everyday wonders Electrical machines Electricity Works Everywhere in the order of time in the order of space How are the supporting ideas organized? in cities Electrical machines… milk… and chop... . …cool… and churn… Electricity Works Everywhere Almost everyone today uses electricity in one way or another. …lights… … warms… …heats… and cools… …drives…and works… use … to bring… Indeed, electricity finds as much work to do in the countryside as it does in the cities. in the countryside Topic Sentence Concluding Sentence Supporting Ideas Look at the mind map and think if there are some same uses of electricity in cities and in the countryside. What do you think of the verbs in the text? milk the cows light streets warm people heat food work machines cool the milk chop their food churn the butter conversion（转变） verbing 动词化 n./adj. v. Can you use these 'verbs'to talk about electricity and its uses? 1. We can toast a pizza in an electric oven. 2. An electric fan cools the air in the room. 3. You should never microwave an egg. 4. Before electricity is wired to our flat, it passes through a meter. 5. Electricity costs less than petrol, so powering an electric car is cheaper. It’s hard to imagine what our life in cities would be like without electricity. Without electricity, our life in cities would be_____. Without electricity, everything would be in the dark at night. Without electricity, _______ would /wouldn’t _______. How does your family use electricity? How does your family use electricity? $$