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【判断题】
询价是采购作业流程上的一个必要阶段。 ( )
A.
正确
B.
错误
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举一反三
【单选题】下列约束中用于限制列的取值不重的约束是
A.
PRIMARY KEY
B.
DEFAULT
C.
CHECK
D.
UNIQUE
【单选题】from one phase are usually reviewed for completeness and accuracy and approved before work starts on the next phase.
A.
Deliverables
B.
Milestone
C.
Work
D.
Process
【判断题】____传染病流行具备传染源、传播途径及易感的动物三个条件,这三个条件同时存并相互联系时就会造成传染病的发生。P42
A.
正确
B.
错误
【单选题】传染病的流行过程必须具备
A.
传播途径及人群易感性
B.
季节性、传播途径及人群易感性
C.
传染源、传播途径及人群易感性
D.
传染源、易发性及人群易感性
E.
传染源、人群易感性
【判断题】____传染病流行具备传染源、传播途径及易感的动物三个条件,这三个条件只要存在一个即可造成传染病的发生。P42
A.
正确
B.
错误
【单选题】7 使用 网页文字 显示的文字效果是 ( )
A.
下划线
B.
斜体
C.
删除线
D.
加黑
【单选题】The review for the specification completeness is performed during which of the following cycles.
A.
Award cycles
B.
requirements cycle
C.
requisition cycle
D.
solicitation cycle
E.
contractual cycle
【单选题】下列约束中用于限制列的取值不重的约束是
A.
PRIMARY KEY
B.
CHECK
C.
DEFAULT
D.
UNIQUE
【单选题】● (66) from one phase are usually reviewed for completeness and accuracyand approved before work starts on the next phase.
A.
Process
B.
Milestone
C.
Work D. Deliverables
【单选题】Software maintenance is to do necessary modification, supplenemt, and completeness during software life circle. Among the following vary kinds of maintenance, which one has the maximum workload in a g...
A.
relevance maintenance
B.
completeness maintenance
C.
correctness naintenance
D.
other kinds of maintenance
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