脾脏栓塞术可能发生的严重的并发症有()。
A.脾功能减退
B.脾脏梗死
C.脾脓肿
D.脾脏破裂
E.发热腹痛
参考答案:C, E
We had an anxious couple of weeks _____ for the results of the experiment.[ ]
A. wait
B. to be waiting
C. waited
D. waiting
简述应用图像命令的应用步骤?