接收电路中,放大器输入端接收的回波电压约有()
A、几百伏
B、100伏左右
C、十伏左右
D、0.001~1伏
参考答案:D
-I'm sorry to have shouted at you. I didn't mean to be so rude to you.
-You were very angry. Anyway, ____.
A.you're right
B.you're kind
C.it doesn't matter
D.I'm sorry
患者,女性,40岁。10年前因乙型肝炎住市传染病医院。近2年来周身乏力,消瘦,常伴牙龈出血,月经量多。近10天腹胀加重,伴少尿。查体:面色黝黯无光泽,巩膜黄染,腹壁静脉曲张明显,移动性浊音阳性。
提问:下述哪项是诊断肝硬化的依据()
A.发热、腹胀,乏力
B.门脉高压的表观
C.肝功能减退的临床表现
D.肝活检有假小叶形成
E.食管钡剂造影有食管静脉曲张
F.盗汗