____ get to the station in time, we set

The efficient market hypothesis implies that fundamental analysis:（）

A. can achieve superior returns by extrapolating historical data.

B. will be successful if transaction costs are minimized by focusing on a limited number of large-capitalization stocks.

C. requires the analyst to predict movements in relevant variables that affect rates of return.

选用补充概算定额“地下连续墙——振动沉模防渗板墙”时，如墙深为14m，则定额中材料量乘以（）系数进行调整。

A.1

B.1.14

C.1.3

D.0.86

SGSN中STATION_C与STATION_D对于SS7的处理是主备份形式的。（）

聚丙烯酰胺凝胶电泳通常采用

A．柱状装置
B．水平装置
C．旋转装置
D．垂直装置
E．管状装置

《九歌》