对支气管扩张最有确诊价值的检查是（）
A.胸正、侧位片
B.胸透
C.肺动脉造影术
D.支气管造影术
E.肺CT检查
参考答案：D
Not recognizing me at first, __________.
A．he closed the door
B．the door was closed
C．the door was close
D．I closed the door
膜剂的成膜材料是
A．甘油明胶B．可可豆脂C．聚乙二醇D．聚乙烯醇E．半合成椰子油脂
