桥梁特殊检查应委托有()的单位承担。
参考答案:相应资质和能力
Nobody believed his reason for being absent form the class _____ he had to meet his uncle at the air port. [ ]
A. why
B. that
C. where
D. because
男,62岁,胸闷、咳嗽2个月余。查胸部正侧位片如图。
X线片诊断意见应包括()
A.右上肺占位性病变
B.右侧液气胸
C.右侧胸腔积液
D.右肺门增大
E.肺动脉高压