Friday, September 16, 2022
问题:计量资料配对t检验的无效假设(双侧检验)可写为()。A、μ=μ0B、μd≠0C、μ1=μ2D、μ1≠μ2E、μd=0...
Saturday, March 23, 2024
问题:中世纪后期,最早的监测活动主要是下列哪一种监测?()A、疾病监测B、公共卫生监测C、疫情监测D、气候监测E、大气监测...
Friday, June 30, 2023
Monday, September 12, 2022
问题:在医院感染的发生中,不合理使用抗生素的原因有()。...
Monday, September 12, 2022
问题:计算某血清血凝抑制抗体滴度的平均水平,宜用()。A、均数B、几何均数C、中位数D、四分位数E、相对数...
Wednesday, January 11, 2023
Monday, September 12, 2022
Friday, September 16, 2022
问题:公民、法人或其他组织不可以提起行政复议的情况是()。...
Friday, September 16, 2022
Monday, September 12, 2022
Friday, September 16, 2022
Monday, September 12, 2022
问题:下列有关传染病潜伏期流行病学意义的说法中,不正确的是()。...
Monday, September 12, 2022
Friday, September 16, 2022
Monday, September 12, 2022
问题:男性,40岁,发热3天伴腹痛、腹泻,大便每天20余次,量少,有黏...
Friday, September 16, 2022
问题:Herbst医师关于阴道腺癌病因研究的结果()。...
Friday, September 16, 2022
问题:一谷物的赖氨酸评分为0.42,苏氨酸0.70,蛋氨酸1.04,缬...
Friday, September 16, 2022
问题:男性,20岁。畏寒发热1d,腹泻14次,大便不成形,有粘液,量不...
Monday, September 12, 2022
Friday, September 16, 2022