维持体液正常渗透压的主要电解质是
A. Zn??2+??
B. Na??+??
C. Ga??2+??
D. K??+??
E. HPO3??2-??
Which of the listed conditions will cause the feed water that has not flashed to vapor in
A. Gravity siphon effect
B. Higher vacuum in the second-stage
C. Difference in brine density between first and second stages
D. lower pressure in first-stage
侧脑室前角外侧为下列哪个结构
A. 透明隔
B. 穹窿柱
C. 尾状核头
D. 丘脑
E. 内囊
党的各级纪律检查委员会是党内监督的专责机关,履行()职责,加强对所辖范围内党组织和领导干部遵守党章党规党纪、贯彻执行党的路线、方针、政策情况的监督检查。
A. 组织领导
B. 主管
C. 组织协调
D. 监督执纪问责