在领导者的五大特征中，巴纳德特别注意( )
A．责任性和智力B．活力和智力C．决断力和说服力D．坚忍和责任性
参考答案：A
As we all know the H1N1 Flu is so serious, students can't go into the school ______ they take the
temperature and get sure they don't have a fever. [ ]
A. till
B. after
C. when
D. until
情况复杂的，经行政机关负责人批准，查封、扣押的期限可以延长，但是延长期限不得超过（）日。
A.10
B.15
C.30
D.45
