胸腔镜可用于以下哪些疾病的诊断和治疗()
A.肺部周围型结节
B.弥漫性肺部疾病
C.缩窄性心包炎
D.中心型肺癌手术切除
E.胸腔积液
参考答案:A, B, E
She couldn’t give the police a(n) __________ description of the robber because she was very nervous at
that time. [ ]
A. relevant
B. accurate
C. practical
D. suitable
简述管道工程中对土质及岩石的判定。