下列哪种疾病可出现周围性发绀
A．慢性阻塞性肺气肿
B．肺水肿
C．大量胸腔积液
D．右侧心力衰竭
E．Fallot四联症
参考答案：C
---Is breakfast ______________ meal of the day?
---- Yes, it provides us with energy after a long night.
A．the most important
B．very important
C．more important
D．important
利尿通淋药多用治（）
A.小便短赤
B.热淋
C.血淋
D.石淋
E.膏淋
