发生30人以上死亡，或中毒（重伤）100人以上的突发环境事件为环境事件。（）
A.特别重大
B.重大
C.较大
D.一般
参考答案：A
病程超过2个月的感染是：
A．有脓B．无脓C．脓已成熟D．脓浅E．脓深
Which of the following activities would least likely be an example of good corporate governance（）
A. Management is allowed to act independently of board of directors.
B. The board of directors has decided to hold annual elections.
C. The board of directors has decided to conduct a self-assessment.
