多根多处肋骨骨折急救要点主要是()
A.立即行开胸探查术
B.控制反常呼吸,保持呼吸道通畅
C.输血补液,防治休克
D.加压给氧
E.镇静、镇痛
参考答案:B
对阻塞性黄疸诊断意义大
A.ALTB.γ-GTC.ALPD.MAOE.LDH
Many workers were organized to clear away ________ remained of the World Trade Center.
A.those
B.that
C.what
D.where