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牛津版上海版八年级下册 Unit 3 Electricity (More practice)课件

  • 课件名称:牛津版上海版八年级下册 Unit 3 Electricity (More practice)课件
  • 创 作 者:未知
  • 课件添加:admin
  • 更新时间:2018-5-3 6:48:35
  • 课件大小:17379 K
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  • 授权方式:免费版
  • 运行平台:Win9x/NT/2000/XP/2003
  • ◆课件简介:
    牛津版上海版八年级下册 Unit 3 Electricity (More practice)课件
    A1 Complete the sentences with the words from the box. Modern people use more __________ than people in the past. Don’t touch the __________! You’ll get an electric __________. When the workers were digging up the road, they cut the __________. As a result, there was a __________ in the area. blackout wire energy cable shock energy wire shock cable blackout A2 Now, use your dictionary and find out whatthese five words mean. blackout wire energy cable shock a period of darkness caused by a cut in the electricity supply something carrying electricity the power that makes things work a thick, strong rope made of wire a very strong force or blow B Electricity is important. Discuss with yourclassmates. What would our lives be like without electricity? A Now, read the article about electricity. Electricity works everywhere Almost everyone today uses electricity in one way or another. It is hard to imagine what life in our cities would be like without it. Electricity lights streets and buildings, and warms people and animals. It heats food in cookers and cools it in refrigerators. It drives trains and works traffic lights and lifts. It also works the machines in factories that make all kinds of goods. Everyday wonders such as computers and televisions use electricity to bring entertainment and news to millions of families. In villages and on farms, electrical machines milk the cows and chop their food. They also cool the milk and churn① the butter. Indeed, electricity finds as much work to do in the countryside as it does in the cities. ① churn v. 搅拌 B Match these words with their meanings. ( ) ( ) ( ) ( ) ( ) ( ) imagine light cooker drive wonder chop cut something into pieces something that is used for cooking food something that gives you a surprise give light to a place give a machine the power to work think about what something might be like f d b e c a C Work in pairs. List four of the uses ofelectricity mentioned in the passage and add two more of your own to the list. _______________________________________________ _______________________________________________ _______________________________________________ _______________________________________________ _______________________________________________ _______________________________________________ Electricity lights streets and buildings. Electricity heats food in cookers. Electricity drives trains. Electricity makes computers work. Electricity powers the underground. Electricity makes fans and air conditioners work in summer. A Look at the pictures below. Work in pairs and discuss what we must and must not do to save electricity. ____________________________________________________________________ ____________________________________________________________________ We must use fewer lights. We must turn off the fan when we are not in the room. ____________________________________________________________________ ____________________________________________________________________ We must not keep water boiling for a long time. We must close the fridge door. ____________________________________________________________________ ____________________________________________________________________ We must turn off all the lights before we leave the house. We must close the windows when the air conditioner is on. B The following pictures show that the peoplein the pictures have done something wrong. Discuss and point them out. * 本页和下页中标记为“土黄色”的单词并非链接,而是要求学生在阅读的过程中猜测含义,从而完成第9张幻灯片上的练习。 * * * 本页和下页中标记为“土黄色”的单词并非链接,而是要求学生在阅读的过程中猜测含义,从而完成第9张幻灯片上的练习。 * *
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