统计资料的类型包括()。 A.频数分布资料和等级分类资料 B.多项分类资料和二项分类 发布时间:2017-06-01 03:30 │ 来源:www.tikuol.com 题型:单项选择题 问题: 统计资料的类型包括()。A.频数分布资料和等级分类资料B.多项分类资料和二项分类资料C.正态分布资料和频数分布资料D.数值变量资料和等级资料E.数值变量资料和分类变量资料
题型:单项选择题 患儿女,10个月,因“面色苍白,精神、食欲差2个月”来诊。人工(羊奶)喂养,未添加辅食。查体:面色苍白,睑结膜苍白;心前区可闻及Ⅱ/Ⅵ级柔和收缩期杂音,肝肋下2cm,脾肋下1cm。血常规:Hb75g/L,RBC2.2×1012/L,WBC6.0×109/L,PLT110×109/L,网织红细胞0.01。下列检查结果中最有助于患儿临床诊断的是()A.外周血出现有核红细胞B.骨髓中各期幼红细胞比例减少C.骨髓中原始红细胞比例增高D.骨髓中幼红细胞呈巨幼变E.血清LDH增高 查看答案
题型:单项选择题 W: How does your daughter like her new school M: ______A.Fine. She seems to have made some new friends in no time.B.She likes it so much that she'll soon be reluctant to leave the school.C.Though she likes the new school, she loves her old school much per.D.Well, I'm afraid I don't know exactly. 查看答案