Unit 5　The power of nature——大自然力量
1. appoint　vt.　约定；指定(时间、地点等)，任命；委任(教材P34) I was appointed as a volcanologist working for the Hawaiian Volcano Observatory(HVO)twenty years ago.　20年前，我被任命为火山家，为夏威夷火山观察站工作。
[归纳拓展]　(1)appoint sb. (as/to be)．.. 　任命某人为……  appoint sb. to do sth.  委派某人做某事  appoint a time/place for  为……约定时间/地点(2) appointment  n.  任命；约会make/have/fix an appointment with sb.与某人预约keep/break an appointment  守/违约
→The time appointed for the meeting was 10:30 a.m. 要求开会时间是早晨10点半。→They           ...