Unit 3 What were you doing when the UFO arrived?

unit 3 what were you doing when the ufo arrived? 
 

一、知識點撥
i.language goals
•學會過去進行時的基本結構與用法
•學會簡單描述過去發生的事情
•學會講簡單的故事
ii.key words
1.cut v.切；剪；割
   be careful.don't cut yourself.小心，別切到自己。
2.alien n.外星人
   nobody knows whether there are aliens or not.沒人知道到底有沒有外星人。
3.land v.登岸；登陸；降落
   the plane will land in ten minutes.飛機將在十分鐘后降落。
4.while conj.當……的時候；在……之時
   while i danced, she sang.我跳舞，她唱歌。
5.right adv.正好；恰好
   the accident happened right over there.事故正好發生在那里。
6.surprised adj.驚奇的；吃驚的
   i was surprised that he was late for the party.我很驚訝他聚會居然遲到了。
7.kid v.欺騙；哄騙
   i'm not kidding you.我沒有騙你。
8.anywhere adv.到處；無論哪里（用于否定句中）
   did you go anywhere yesterday? 你昨天去沒去過什么地方?
9.happen v.發生
   a funny thing happened in the subway yesterday. 昨天地鐵里發生了一件有趣的事。
   happen to +名詞 發生于……身上
   she hoped nothing bad would happen to him.她希望不會有壞事發生在他身上。
10.get out of 從……出去
   she tried to get out of helping her mother.她盡量逃避幫助她的媽媽。
11.run away 跑開；迅速離開；逃走
   the thief ran away when someone noticed him.當有人注意到他的時候，那個賊立刻逃走了。
12.at the doctor's 在診所；在醫院
   i'm thinking of going to the tailor's.在表示診所、店鋪或某人的家時，經常用名詞所有格的形式。
   she is staying at mary's.她住在瑪莉家。我在想到裁縫店去一趟。
iii.  key sentence structures
 the boy was walking down the street when the ufo landed.
 while the boy was walking down the street, the ufo landed.
 the girl was shopping when the alien got out.
 while the girl was shopping, the alien got out.
二、學習自評
i.listening comprehension
（a）listen and number the pictures.
 
1.           2.            3.            4.            5.          
（b）complete the chart.
who  what were they doing in the park yesterday ?  what did they do when it began to rain ?
old lady  1.
                          3.