精选优质文档-倾情为你奉上9B Unit 3 Robots Welcome to the unitTeaching aims:Know the uses of robots.To understand some of the advantages of the robots.Teaching procedures:Step 1 New words robot n. 机器人post vt. 邮局=mailexplore vt. 探索,讨论outer space n. 太空brain n. 大脑whatever pron. 任何,一切事物Step 2 Lead-in 1. Have you seen robots in the films?2.What kind of robots do you know?3. What do you think robot