食管癌病人出现大量呕血,提示肿瘤侵入()
A.喉返神经
B.肝
C.主动脉
D.气管
E.肺
参考答案:C
I really _____ people who can keep on doing things until they _____. [ ]
A. think, success
B. respect, successful
C. admire, succeed
肥厚型心肌病的主要超声特征是()。
A.对称性心肌肥厚,室间隔厚度多大于15mm
B.对称性心肌肥厚,室间隔厚度不大于15mm
C.非对称性心肌肥厚,室间隔厚度不大于15mm
D.非对称性心肌肥厚,室间隔厚度多大于15mm