A.2/3
B.3/2
C.1
D.2
[问答题]问
[单选题]A.肺淋巴瘤B.卡波济肉瘤C.双肺感染D.间质性肺炎E.肺癌
[单选题]A.肺癌B.错构瘤C.肺结核D.韦格肉芽肿E.支气管腺瘤
[单选题]问A.[0,1]B.(0,1)C.(-∞,0)D.(0,1]
[单选题]问A.AB.BC.CD.D
[单选题]问A.{xB.x≤3}C.{xD.3≤x≤5}
[单选题]问A.π/6B.π/3C.2π/3D.5π/6