男性,62岁,体检发现血压148/86mmHg,既往无高血压病史,最适宜的医嘱是() 发布时间:2017-05-31 02:58 │ 来源:www.tikuol.com 题型:单项选择题 A1/A2型题 问题: 男性,62岁,体检发现血压148/86mmHg,既往无高血压病史,最适宜的医嘱是()A.隔日再次测定血压B.住院诊治C.门诊服用降压药D.清淡饮食E.加强体育锻炼
题型:单项选择题 A1/A2型题 以下可以组成一个生态系统的是( )A.一个湖泊中的浮游生物和所有分解者B.校园里一块草地及草地上所有的生物C.一个池塘中的所有罗非鱼和分解者D.一个鱼缸里的所有金鱼 查看答案
题型:单项选择题 A1/A2型题 The sample mean is a consistent estimator of the population mean because the:()A. expected value of the sample mean is equal to the population mean.B. sampling distribution of the sample mean has the smallest variance of any other unbiased estimators of the population mean.C. sample mean provides a more accurate estimate of the population mean as the sample size increases. 查看答案