单一抗结核药物中,早期杀菌力最强的药物是()。
A.利福平
B.吡嗪酰胺
C.链霉素
D.乙胺丁醇
E.异烟肼
参考答案:E
He __________ the workers together and spoke to them in the old hall of the farmhouse.
A.expected
B.collected
C.called
D.shouted