目标 1. to go over useful words and expressions of this unit by summing up the importance review the grammar: the rules of the passive infinitive 2. learn to use important words and expressions in everyday life. 重点 to master these useful words and expressions 二次备课难点 learn to recite a short passage. by ourselves 自主学习 sum up the whole unit by themselves according to the requirements: 1. write down what you have learned about “robot”. 2.from this unit you have also learned : useful verbs : useful nouns: useful adjectives: useful expressions: a new grammar item: