Hi, I am a Chinese boy (中国男孩). My name is Chen Yang. My first name is Yang. My family name is Chen. My English name is Dale. I like (喜欢) red. My telephone number is 178­4267.I have a good friend. He is English (英国人)．His name is Jim Smith. Jim is his first name and Smith is his last name. His Chinese name is Huang Qiang. His phone number is 362­4597.

亚太经合组织领导人非正式会议是亚太经合组织最髙级别的会议，至今已召开23次。其中第九次会议于2001年在中国哪一城市举行？（    ）