呼吸衰竭最常见的病因是()。
A.重症肺结核
B.尘肺
C.胸部挫伤
D.慢性阻塞性肺病
E.大量胸腔积液
参考答案:D
We hope that as many people as possible ____join us for the charity show tomorrow. [ ]
A. need
B. can
C. must
D. shou
某患者,女,较肥胖,既往无肝病史。超声体检时发现肝实质回声增强,深部回声减弱,于胆囊床旁见3cm×1.8cm×2.0cm低回声,形态不规则,胆囊无受压推移改变,应首先考虑为()。
A.肝良性肿瘤
B.肝局灶性纤维化
C.非均匀脂肪肝
D.肝腺瘤样增生
E.肝硬化结节