Unit 11 Electricity Stage 2课件2022-2023学年牛津上海版七年级英语下册

*Unit 11 Electricity Writing: The importance of electricity 1 What electrical appliances do you have at home? 2 importance n. 重要性 important adj. 重要的→importance n. 重要性 Do you know the importance of water? microwave n. 微波炉 electricity n. 电→electrical adj. 电的；用电的 →electric adj. 电的；用电的；电动的；发电的 vacuum cleaner n. 真空吸尘器 appliance n. （家用）电器；器具 printer n. 打印机 air conditioner n. 空调机；空调设备 kettle n. （烧水用的）壶；水壶 heater n. 加热炉；炉子；热水器 cooker n. 厨灶；炉具 iron n. 熨斗 efficiently adv. 效率高地 Computers can work efficiently. Read the words and phrases for a few minutes. importance n. 重要性 microwave n. 微波炉 vacuum cleaner n. 真空吸尘器 printer n. 打印机 electrical adj. 电的；用电的 electric adj. 电的；用电的；电动的；发电的 appliance n.（家用）电器；器具 air conditioner n. 空调机；空调设备 kettle n.（烧水用的）壶；水壶 heater n. 加热炉；炉子；热水器 cooker n. 厨灶；炉具 iron n. 熨斗 efficiently adv. 效率高地 Look and learn (1) What do we do with a microwave? (2) What do we do with a vacuum cleaner? (3) What do we do with a printer? (4) What do we do with a washing machine? Answer the questions about the items. We cook food. We clean the floor/flat/carpet. We print things. We wash clothes. Discuss and write Task 1 Read the list of electrical appliances in “Discuss and write”. In groups, practise the dialogue. S1: What electrical appliances do people use at home? S2: They use ... at home. S1: What electrical appliances do people use at school? S3: They use ... at school. S1: What electrical appliances do people use in an office? S4: They use ... in an office. Task 2 Complete the sentences in “The importance of electricity”. The importance of electricity Today, electricity is very important. People use it in different places. People use … at home. People use … at school. People use … in an office. Air conditioners and heaters make us feel comfortable in __________ (season) and __________(season). TV sets, … and _________ make our lives more enjoyable. Lights, … and __