一网球运动员在离开网的距离为12m处沿水平方向发球，发球高度为2.4m，网的高度

女性，45岁，病人高热大汗，未给补充水分已有3日，现出现明显口渴尿少、口干舌燥、皮肤弹性下降，尿比重1．040。

病人体重60kg，实际丢失的水是（）

A.2000ml

B.3000ml

C.4000ml

D.5000ml

E.6000ml

Vincent Chase, CFA, is a portfolio manager for an investment advisory firm. Chase delegates some of his supervisory- duties to Janet Marshall, CFA, after educating Marshall on methods to prevent and detect violations of the firms of the firm’s compliance procedures. Despite these efforts, Chase discovers that an employee reporting to Marshall may have violated the procedures. According to the Standards of Practice Handbook, Chase’s least likely initial course of action must be to:（）

A. suspend the employee.

B. increase supervision of Marshall.

C. initiate an investigation to determine the extent of the wrongdoing.

Excel表格处理操作
考试要求：
(1)在“合计”行的前面插入一行，其前七列的数据依次为：
空调机，87465，87687，76786，46345，43454，345342
(2)计算各月份的合计数。
(3)计算各产品的月平均数(不保留小数位)。
××商场销售统计表

简述北宋积贫积弱的原因。

因装配工艺不当造成动叶片运行中断裂，有哪些不良工艺？