红细胞管型（）
A.急性肾小球肾炎
B.急性肾盂肾炎
C.慢性肾小球肾炎
D.肾病综合征
E.急性膀胱炎
参考答案：A
--- What’s wrong with my son, doctor?
--- ____________ serious, just a slight cold. He’d better drink some water.
A．Everything
B．Nothing
C．Something
D．Anything
异位妊娠的声像图表现有哪些?
