自助设备钞箱保险柜密码管理员短期休假或离职更改密码，及时在（）上登记。 A.《运营主

Accelerated analysis approaches emphasize the construction of (8) to more rapidly identify business and user requirements for a new system. As an accelerated analysis technology, (9) reads the program code and automatically generates the equivalent system model, and the code can be obtained from (10) All system analysis approaches require some form of (11) which includes those techniques to be used to identify or extract system problems and solution requirements from user community. (12) is a classical set of techniques used to collect information about system problems, opportunities, solution requirements, and priorities.

8（）

A. object models

B. prototypes

C. use cases

D. components

职业道德修养，主要是指职业责任、职业纪律、职业情感以及职业能力的修养。( )

单相桥式全控整流电路的优点是提高了变压器的利用率，（），且输出电压脉动小。

A、减少了晶闸管的数量

B、降低了成本

C、不需要带中间抽头的变压器

D、不需要维护

上、下塔时必须按规定路由攀爬，上塔看手是否抓牢，下塔看脚是否踩实，人与人之间的距离应不小于（），行动速度宜慢不宜快。

A.5米

B.4米

C.3米

D.6米

中国书法的时代表现怎样？