沙眼衣原体直接涂片检查一般采用何种染色方法( )
A．革兰染色B．姬姆萨染色C．银染D．抗酸染色E．亚甲蓝染色
参考答案：B
At no time________the rules of the game.It was unfair to punish them. (2013·辽宁，26)
A．they actually broke
B．do they actually break
C．did they actually break
D．they had actually broken
仓储管理是物流作业管理的核心，仓储管理系统的建设历来受到人们的普遍重视。( )
