运输途中水质变坏,应采取()处理。
A.加氧
B.降温
C.换水
D.加温
参考答案:C
Could you tell me _ next? I really don't know. [ ]
A. how to do
B. what to do
C. to do what
D. to do how
女,18岁,8月前曾患右股骨急性化脓性骨髓炎,经治疗后好转,但局部有窦道形成,常有少许稀黄色脓汁流出,近1周瘘道口闭合,但出现高热,局部压痛明显,并有红肿,X线片示有死骨存留,而且包壳形成充分,应立即
A.切开引流
B.骨钻孔手术
C.死骨摘除,植骨术
D.瘘道搔刮术
E.窦道切除,1期缝合