七年级英语Electricity课件5.ppt.ppt

文档介绍：Unit 4 Electricity electricity n. 电 electrician n. 电工 There is a problem with the electricity in Tom ’ s flat . An electrician e to deal with it . electric a. 电的 electric storm electric shock electrical a. 电气科学的 electrical apparatus 电器 electrical engineer Words and expressions in Reading A What do you know about: change v/n . 变化 We can ’ t see electricity , but we can change it into energy . Great changes have taken place in Shenzhen since 1980. changeable a. The weather is changeable on top of the mountain . n. 找头;(找回的)零钱 Here is your change. energy n. Young people usually have more energy than the old. 年轻人通常比老年人有活力。 energetic a. 1. He is an energetic boy; he enjoys sports. 2."The more the young students worked, the more energetic they became." 这些年青学生们越干越有劲。 aba contain politely in a way flows