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1、Unit 1 Electricity todayI. Words and Expressions1. heat v. 加热 heater n. 加热器we use the heater to heat the air. 我们用加热器加热空气。Play v. 播放 player n. 播放器We use the video player to videos. 我们用录像机放录像。Clean v. 清洁 cleaner n. 清洁器We use the vacuum cleaner to clean our flats. 我们用吸尘器清扫公寓。2. important adj. 重要的 impor
2、tance n. 重要性the importance of electricity 电的生要性electricity is really important in our lives. 电在我们生活中确实是非常的重要。3. fright n. 惊骇 frightening adj. 恐怖的，令人害怕的something in the wire gave him a fright. 电线里的东西吓了他一跳。It is frightening to go outside in this weather. 在这样的天气出门很可怕。4. drive a machine 驱动机器, drive a ca
3、r 驾驶汽车。Electricity is used to drive a machine. 电被用来驱动机器。5. help us (to) work more efficiently 帮助我们更加高效率地工作。Printers help us work more efficiently. 打印机帮助我们更加高效率地工作。6. Save us time doing sth 节省我们做的时间fax machines save us time working. 传真机节省我们工作的时间。II. Language Structure请求can you find some information a
4、bout the Airport Railway? 你能找一些有关机场专线的资料吗？III. Notes1. On a dark night, when lightning flashes, what do you see? 在一个漆黑的夜晚，闪电时你能看到什么？When 引导的是时间状语从句。 On a dark night 相当于one dark night 2. How many kilometers long is the Airport Railway?机场专线有多少千米长？3. Its powered by electricity. 它是由电提供动力的。（被动语态）4. Benjamin Franklin 发现闪电是一种自然的放电现象。5.有关电的知识：plug(插头), switch (开关), socket （插座）- 2 -用心 爱心 专心
