开放性气胸首要的急救措施是( )
A.纠正休克
B.封盖伤口
C.清创缝合
D.胸膜腔穿刺
E.胸膜腔引流
参考答案:B
He proved himself a true gentleman and the beauty of his __________ was seen at its best when he
worked with others.[ ]
A.advantage
B.appearance
C.qualification
D.character
下列说法:①过一点有且仅有一条直线与已知直线平行;②经过一点有且只有一条直线与已知直线垂直;③对顶角相等;④直线外一点与直线上各点连接的所有线段中,垂线段最短。其中错误的有:[ ]
A、1个
B、2个
C、3个
D、4个