一个神志不清的病人,其呼出气有烂苹果味,最可能的原因是
A.糖尿病酮症酸中毒
B.大量饮酒
C.尿毒症
D.幽门梗阻
E.肝昏迷
参考答案:A
以下现象,不属于学习的迁移的是 ( )
A.由于经常打篮球,小明的跳高能力很不错
B.学会骑自行车后,学骑摩托车的速度特别快
C.由于画画得很好,小红在美术社表现很出色
D.由于从小喜欢剪草,小李长大成了一名出色的理发师
The analysis phase answers the questions of who will use the system,what the system will do,and where and when it will be used.During this phase,the project team investigates any current system,identifies (71) ,and develops a concept for the new system.This phase has three steps:first, (72) is developed to guide the project team’s efforts.It usually includes an analysis of the current system and its problems,and the ways to design a new system.The next step is (73) .The analysis of this information-in conjunction with input from the project sponsor and many other people-leads to the development of a concept for a new system.The system concept is then used as a basis to develop a set of business analysis models that describes how the business will operate if the new system were developed.The set of models typically includes models that represent the (74) necessary to suppor the underlying business process.Last,the analyses,system concepts,and models are combinedin to a document called the (75) ,which is presented to the project sponsor and other key decision makers that decide whether the project should continue to move forward.
A.data and processes B.system infrastructures C.external agents D.system software