吊运重物时,必须高于被越过物件()m.
参考答案:0.5
为确诊有无衣原体感染,下列哪项检查是最敏感和特异的检测方法()
A.分泌物涂片找包涵体
B.分离培养法
C.核酸检测(PCR)
D.血清抗体检测法
E.免疫学诊断,检测局部衣原体抗体
Jack is one of those men who_________ best evening the most difficult situations.
A.his
B.your
C.their
D.one's