(
课件网) Unit 6 Electricity everywhere 主题范畴： 人与自然；人与社会 主题群： 环境保护；科学与技术 子主题： 环境污染及原因，环保意识和行为；科学技术与工程，人类发明与创造 Key question What role does electricity play in our daily lives understand why electricity is important. explain different ways of producing electricity. observe safety rules for using electricity. talk about how to save electricity. Unit objectives 单元目标 I can: New words safety n.安全；平安 instruction n.用法说明；操作指南 connect v.（使）连接 *device n. 装置；设备 electrical appliance 电器 A debate Is electricity a good thing or a bad thing Electricity can be both useful and dangerous. It all depends on how we use it. Lead-in Electrical safety tips Speaking Talking about using electricity safely Talk in pairs about safety rules for using different electrical appliances. Look at the example and use the tips below to help you. Never touch electrical appliances with wet hands. Electrical safety tips Make sure all cables are safe to use. Do not use broken cables. Electrical safety tips Do not use broken electrical appliances. Read the instructions carefully before you use a new electrical appliance. Pair work S1: We use different electrical appliances in our homes every day. How can we use them safely S2: We need to make sure that the cables are connected correctly before we turn on the device. And we mustn’t touch any electrical appliances with wet hands. S1: That’s right! Also, we cannot use any broken cables. ... 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 Example: S1: May I change the bulb S2: No, you may not. You must switch off the electricity. Then you may change the bulb. Pair work _____ put the meat in the fridge S1: May I put the meat in the fridge S2: No, you many not. You must cover the meat. Then you may put the meat in the fridge. _____ go to bed S1: May I go the bed S2: No, you many not. You must lock the door. Then you may go to bed. _____ take a bath now S1: May I take a bath now S2: No, you many not. You must test the water. Then you may take a bath. _____ go out now S1: May I go out now S2: No, you many not. You must tidy up. Then you may go out. Syllables Improve your pronounciation English words can be divided into syllables. All words have one or more syllables. 1 syllable 2 syllable 3 syllable 4 syllable 5 syllable safe pow-er com-pu-ter su-per-mar-ket e-lec-tri-ci-ty Syllables A syllable usually has a vowel sound. However, the consonant sounds in bold in the following words are separate syllables too. 音节 音节：有的单词只包括一个音节，有的单词包含两个、三个或更多的音节，分别称为单音节词、双音节词和多音节词。单音节词一般都是重读的。双音节词一般只有一个音节是重读的。多音节词除了重读音节外，有时还有一个次重读音节。 音节的核心是元音。少数辅音字母， ... ...
