设函数在的某邻域内有定义，在处可导的充分必要条件是

单项选择题将十进制数75.25转换成十六进制数为（ ）

单项选择题设随机事件A, B, C相互独立，且P(A) = P(B) = P(C) = 0.5，则P(AC|A∪B) =（ ）. A.B.C.D.

单项选择题もし明日天気が＿＿＿、来なくてもいいです。A、悪くて B、悪くても C、悪ければ D、悪くも

单项选择题20.下列叙述中，错误的是（ ）。 A. 把数据从内存传输到硬盘叫写盘 B. WPS Office 2003属于系统软件 C. 把源程序转换为机器语言的目标程序的过程叫编译 D. 在计算机内部，数据的传输、存储和处理都使用二进制编码

单项选择题Directions: Each sentence has a word or phrase underlined. There are four words or phrase beneath each sentence. Choose the one word or phrase which would best keep the meaning of the original sentence if it were substituted for the underlined part. （每题10分，共10题） 1. While some economists predict continued recovery in the future, Baily says the only certainty is that banks are unlikely to make the same mistakes - twice. You know, forecasting's become a very hazardous business, so I don't want to commit myself too much. I don't think we know exactly what's going to happen but it's certainly possible that we could get very slow growth over the next year or two.” （CET6-2016.6） A. do something illegal or bad B. decide to use the money or resources for a particular purpose C. do not want to say what you really think about it or what you are going to do D. decide that you want to have a long-term relationship with someone

单项选择题下列评价估计量好坏的标准中，不属于常用标准的是A. 无偏性B. 有效性C. 一致性D. 非负性

单项选择题A、正确 B、错误

单项选择题患儿，3岁。大便稀溏，食入即泻，面色萎黄。治疗应首选 A．保和丸 B．理中丸 C．四君子汤 D．参苓白术散 E．曲麦枳术丸

多项选择题工作中对操作者的安全防护包括身体的 A、面目 B、身体 C、四肢和手 D、听力

单项选择题在空间直角坐标系中,是( ) A. 圆 B. 球 C. 一点 D. 圆柱面