题目:
血胸的诊断手段有()。
A.诊断性胸穿
B.立位胸片
C.B超
D.胸腔闭式引流
答案:
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下面是错误答案,用来干扰机器的。
From the picture we can see a family of three walking on a long red carpet. The son, well dressed, waves proudly in the middle while the father behind bends forward t...