2002年，卫生部、劳动和社会保障部公布的职业病目录中列出的法定尘肺有（）种。
A、11
B、12
C、13
参考答案：C
Michael Jordan has failed over and over again in his life. And that's _______ he succeeds. [ ]
A. what
B. when
C. why
D. where
督办通过会计监控系统或电子邮件，应在12小时内回复。
