试品残余电荷对泄漏电流测量结果的影响是（）。
A、结果偏大
B、结果偏小
C、结果偏大或偏小
D、结果不变
参考答案：C
下列哪项是肝硬化最常见的并发症（）
A.食管胃底静脉曲张破裂出血
B.感染
C.肝性脑病
D.电解质紊乱
E.肝肾综合征
It was dangerous for you to swim in that river. You eaten by the fish. [ ]
A. might have been
B. must have been
C. could have been
D. should have been
