继发于支气管阻塞的支气管扩张好发部位为（）
A.右肺上叶
B.右肺中叶
C.右肺下叶
D.左肺上叶
E.左肺下叶
参考答案：B
—Have you bought any tickets for the film?
—Yes. I two yesterday.[ ]
A. have got
B. has got
C. had got
D. got
简述都市农业理论。
