通过对一些海难事故发生原因的研究表明。80%的海难事故出于这种或那种()。
A.自然因素
B.风险因素
C.人为因素
D.技术因素
参考答案:C
Which of the following would the nurse interpret as indicating that a child is receiving too much intravenous fluid too rapidly
A. Marked increase in abdominal girth.B. Evidence of protein in the urine.C. Dark amber colored urine.D. Moist crackles in the lung fields.
观图说明,国有经济
拥有雄厚的经济实力和先进的技术设备 ②控制着国民经济的命脉 ③是国民经济的决定力量 ④担负关系国计民生的重要产品的生产和流通的重要任务
A、①②③
B、①②④
C、①③④
D、②③④