牛津广州版初中英语七年级下册 Unit 4 Electricity 教案
一．教学重点：
1.本单元重要词汇和短语：
* Fool (1)v. 愚弄，欺骗 I know what you're doing. You can't fool me. (2) n.  What a fool I am to believe you.www.21-cn-jy.com
* Advice n. 忠告；意见；不可数，表示"一则建议"时，说成" a piece of advice";常用短语：ask for advice.征求意见。 Will you give us some advice on how to learn English?【出处：名师】
* Leave v.让什么处于...状态中（前面有讲过） Did you leave the window open before you go out?【版权所有：】
* Switch v. 接通或切断（电源）；常用搭配：switch on 开；switch off 关 Please switch off the radio. It's too noisy.名师原创作品
* Cover v. 覆 盖，遮盖 She covered her face with her hands. Dusts cover his desks.21**com

2.本单元重点短语。
　A packet of 一盒                      on the safe side 为了安全起见
　In a way 在某种程度上                 make sure确保
　Shake one's head 摇头                  a series of 一系列
　Leave...on 使...处于工作                 switch off 关掉（开关）
　Free... from... 使...从...中解脱出来         put...away 将...收起
　Be careful of 对...小心                   lean out of 从...探出身
　Answer the phone 接电话                be conne