Unit 4 Natural DisastersListening and Talking 1.Translate the following words and phrases. power n. _tap vi.&vt. _ n. _pipe n. _ 电力供应；能量；力量；控制力 轻叩；轻敲；轻拍水龙头；轻叩；轻敲管子；管道whistle vt.& vi. _ n. _aid n. _ vi.&vt. _kit n. _on hand _stay calm _emergency supplies _ 吹口哨哨子( 声) ；呼啸声援助；帮助；救援物资帮助；援助成套工具；成套设备现有( 尤指帮助)保持冷静应急物资2.Brainstorming ：When it comes to a disaster ，we may think of Wenchuan Earthquake. Do you know what damage an earthquake will bring about? _ _ _It is the result of a sudden release of energ
