急性肾衰时出现心律缓慢、心律不齐、心室纤颤、停搏与下列哪种因素有关
A.酸中毒
B.水钠潴留
C.高钾血症
D.低钾血症
E.肺水肿
参考答案:C
在下列煤种中,不属于烟煤的是()。
A、肥煤
B、气煤
C、褐煤
D、长焰煤
Which of the following is NOT a cause of increasing decline of wild animal population
A.Exploitation.
B.Pollution.
C.Habitat alteration.
D.Congressional law.