胎盘娩出期不应超过
A. 10min
B. 20min
C. 30min
D. 40min
E. 60min
急性肠梗阻引起的水电解质紊乱为
A. 代谢性酸中毒伴低钾、低钠
B. 低谢性碱中毒伴低钾、低钠
C. 代谢性酸中毒伴高钾、低钠
D. 代谢性碱中毒伴低钾、高钠
E. 以上都不正确
According to paragraph 3, the architectural significance of the Halle des Machines was its ______.
A. wide span
B. great height
C. unequaled beauty
D. assembled units of glass
内痔的主要症状
A. 疼痛
B. 肛周瘙痒
C. 肛周肿块
D. 便鲜血
E. 肛周感染
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