用灌砂法测定土的密度时应先做出______。 A．确定灌砂筒下部锥体内砂的重量 B．

WEB, an investment-banking firm, is the principal underwriter for MTEX’s upcoming debenture issue. Wendy Berry, CFA, an analyst with WEB, has found out from an employee in MTEX’s programming department that a serious glitch was recently discovered in the software program of their major new product line. In fact, the glitch is so bad that most of their orders have been canceled. Berry checked the debenture’s prospectus and found no mention of this development. The red herring prospectus has already been distributed. Berry’s best course of action is to:（）

A. inform her immediate supervisor at WEB of her discovery.

B. keep quiet since this is material non-public inside information.

C. notify potential investors of the omission on a fair and equitable basis.

拜访路线的安排需要遵循的原则不包括（）。

A、根据零售客户总量及类别特点确定各客户拜访周期

B、根据地理分布将全部零售客户划分到相应数量的拜访线路中

C、每条线路的零售客户数量必须与客户经理一天的工作强度相匹配

D、线路规划时应需考虑零售客户的盈利水平

线性能量传递（linear energy transfer，LET）指的是（）。

A.高能射线在单位径迹中心轴上发散的能量

B.每单位径迹中心轴上长度介质吸收的能量

C.每单位径迹中心轴上长度发散的能量

D.单位径迹长度介质吸收的能量

E.以上都不对

肩关节脱位最多见的类型是（）

A.前脱位

B.后脱位

C.下脱位

D.盂上脱位

E.中心型脱位

《安全生产法》中“发现事故隐患报告”属于从业人员的（）

A、权利

B、义务

C、既是义务又是权利