第20题:[多选题]队旗的制发和保管,应当遵守下列规定() A. 队旗由应急管理部统一制作 B. 队旗的请领经应急管理部政治部审核后,由应急管理部教育训练司发放 C. 队旗由专人保管,定期检查和晾晒,防止损坏 D. 队旗不得私自制作,不得外借 参考答案:ABCD
第21题: [单项选择]女性,58岁。乙肝病史30年,低热伴肝区隐痛4个月。查体:肝肋下4cm,剑突下6cm,移动性浊音阴性。彩超示肝右前叶可见4cm×3cm实体性肿物,边缘不清;肝功能:Tbil30μmol/L,Alb32g/L;AFP480μg/L;PT14.9秒。该患者化验肿瘤标记物,哪项明显升高的可能性最大() A. CA199 B. CA125 C. AFP D. CEA E. CA724 参考答案:C
第26题: [单项选择]对于长度为n的线性表,在最坏情况下,下列各排序法所对应的比较次数中正确的是 ______。 A. 冒泡排序为n/2 B. 冒泡排序为n C. 快速排序为n D. 快速排序为n(n-1)/2 参考答案:D 答案解析:[解析] 假设线性表的长度为n,在最坏情况下,冒泡排序和快速排序需要的比较次数为 n(n-1)/2。由此可见,选项D正确。
第34题: [填空题]Not until Alice had a baby of her own ______ (她才了解) how hard it was for her mother to have brought up her sister and her on her own. 参考答案:did she understand 答案解析:[结构分析]从整个句式结构来看,not until Alice had a baby of her own在句中做状语;“她才了解”构成句子的主谓结构;how hard it was for her
第35题: [填空题]Optimists and pessimists differ in their focus when they look at the same thing. 参考答案:Y 答案解析:[题眼] Optimists and pessimists differ in their focus when they look at the same thing.
[定位] 第1个小标