《Unit3 A day out》 执笔：张鹏
Teaching aims and demands:
1.Use vocabulary to identify and describe well-know places in Beijing and around the world.
2.Use nouns/noun phrases to talk about means of transport.
3.Use ‘and’/’but’/’or’ to join ideas together.
4.Use verbs and ‘to’-infinitives together.
5.Use reflexive pronouns when the subject and object are the same person.
6.Use formulaic expressions to make suggestions and arrangements