正确答案: C
题目:胸膜下界在腋中线的体表投影是( )
解析:C
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举一反三的答案和解析:
46.答案为D 此考题为细节题。根据文章第3段首句The officer...allowed them to fly the plane for a few seconds if they were not too frightened to try...,即可断定D正确。