简述电子商务对企业的影响。

从文字体系上看，汉字属于_______体系文字。

如图所示是用“伏安法”测小灯泡电阻的实物连接图，如果闭合开关，滑动变阻器的滑片P向右移动时，电流表的示数变大，则导线的E端应接在滑动变阻器的 _________ （填“A”或“B”）上．若电压表、电流表的示数如图所示，小灯泡的电阻为 _________ Ω．

CSCF网管与EMS对接中需要新增（）和（）两个用户。

While servicing his clients’ accounts, an analyst determines that one client is probably involved in illegal activities. According to Standard Ⅲ (E) , Preservation of Confidentiality, the analyst may NOT do which of the following（）

A. Contact the appropriate governmental authorities about the determination.

B. Contact CFA Institute about the determination.

C. There are no exceptions in this list.

简述固定化微生物细胞发酵产酶的特点。