下列各项中,适用于分类数据的整理和显示的方法有()。
A.累积频数
B.比例
C.百分比
D.比率
E.累积百分比
参考答案:B, C, D
单词拼写(10分)
小题1:The minister was ____________________(陪伴)by his secretary to the US
小题2:My mother was _______________(担心的,害怕的) when I fell over.
小题3:They get ______________(离婚)two years ago.
小题4:The only __________ (通道)to their house is along that narrow road.
小题5:I’m glad to see his _____________(行为) at school improved.
小题6:The newly-built cinema is convenient for the __________ (伤残的)to get in.
小题7:Though he was made fun of, he was not ______________(生气的)
小题8:To everybody’s surprise, they got _________(离婚) last month, though they had been married for only two months.
小题9:To sleep late in the morning, I usually turn off my _________(警报) clock on Sunday mornings.
小题10:We all ______________ (祝贺)our classmate on his becoming one of the Olympic torch holders.
Ⅳ期临床试验目的是()
A.进一步验证药物对目标适应证患者的治疗作用和安全性,评价利益与风险关系,最终为药物注册申请的审查提供充分的依据
B.观察人体对于新药的耐受程度和药代动力学,为制定给药方案提供依据
C.考察在广泛使用条件下的药物的疗效和不良反应,评价在普通或者特殊人群中使用的利益与风险关系以及改进给药剂量等
D.初步评价药物对目标适应证患者的治疗作用和安全性
E.研究药物的疗效和安全性的关系《药品注册管理办法》规定,关于新药临床试验