Unit 2：Body language
重点短语：
1:part-time job 兼职工作
2:travel agency 旅行社
3:be at work在工作
4:look up抬头看；查阅
5:glance at扫一眼
6:stare at盯着看
7:walk over to走到…
8:prefer…to宁愿…而不愿
9:body language肢体语言
10:get a chance to do sth. 得到机会做某事
11:make a good impression on留下好的印象
