对砂、石常规检验中,用火车、货船或汽车运输的,以()m3或()t为一检验批。
A.300、300
B.400、600
C.300、600
D.200、300
参考答案:B
Index funds are:()
A. on average underpriced by 15%, but this underpricing varies over time, which supports the EMH.
B. on average overderpriced by 15%, but this overpricing varies over time, which supports the EMH.
C. security portfolios designed to duplicate the composition and therefore the performance of a selected market index series.
发现人员触电时,不正确的措施是:()
A、切断电源
B、用干木棒将触电者与电源脱离
C、直接用手拉触电者,使其脱离电源
D、将触电线路短路