消化性溃疡最常见的并发症是
A.穿孔
B.癌变
C.幽门梗阻
D.出血
E.营养不良
参考答案:D
Your blunt treatment of disputes would put other people in a negative frame of________, with the result that they would not be able to accept your proposal.
A.mind
B.idea
C.intention
D.wish
国内CEO的含义?