【简答题】患者可能出现的最严重并发症为 患者,男性,65岁,主因胸痛.憋气8年,支架植入术后闭塞,现步行200 M.左右即出现胸骨后疼痛.憋气症状
【简答题】What is the good news for scientists? [A] The underground oil resources have not been affected. [B] Most of the desert animals and plants have managed to survive. [C] The oil lakes soon dry up and sto...
【单选题】Nowadays, good babysitters are in great _____, so many companies have been set up to train good babysitters. [ ]