Unit 1 Where did you go on vacation?The first period-Section A (1a-1c)I. Teaching aims and demands:1. Knowledge objectives:a) Key words and phrases: stay at home, go to the mountains, go to New York City, go to the beach, visit my uncle, go to summer camp, visit museums;b) Target language: Where did you go on vacation? I went to the mountains. Where did Tina to on vacation? She went to the beach. Did you go to summer camp? No, I didnt.2. Ability object