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课题  Unit3. What were you doing when the UFO arrived? 2
（  Topic: interesting events
知  Functions: talk about past events; tell a story
教 识
   Target language:
学 能
   What were you doing when the UFO arrived?
目 力
   I was sitting in the barber ’
                 s chair.
标 品
德  The barber was cutting my hair.
）
   While he was buying a souvenir, a girl called the police.
   Target language:
（
教   The barber was cutting my hair.
重
材 点   ...