业务流程调查主要任务是调查系统中各环节的()活动,掌握业务的内容、作用、及信息的输入、输出、数据存储和信息的处理方法及过程等.
A.系统
B.数据流
C.业务
D.模型
参考答案:C
单词拼写
1. If you don't understand, it's best to say so and get things c_____.
2. In order to lose weight fast, you have to follow these r_____.
3. You have c_____ us all lots of unnecessary worry.
4. Make a list of what you have to do, and put them in o_____ with the most important at the top.
5. Frank put a lot of e_____ into the party.
在67题所示双代号时标网络计划中,如果B、D、I三项工作因共用一台施工机械而必须依次施工,则该施工机械在现场的最小闲置时间为( )周。
A.1
B.2
C.3
D.4