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【判断题】
在数据库技术发展过程中 , 主要经历了层次模型、树状模型和关系模型三种模型。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【简答题】A．collects B．buys C．chooses D．selects
【简答题】粘胶制扁条（宽2毫米）
【单选题】The nurse is creating a plan of care for a client experiencing dystocia and includes several nursing interventions in the plan. The nurse prioritizes the plan and selects which nursing intervention as...
A.
Monitoring fetal status
B.
Providing comfort measures
C.
Changing the client's position frequently
D.
Keeping the significant other informed of the progress of the labor
【简答题】看图选词填空。 drives walks 1. He ____________ to work. 2. He ____________ to work.
【简答题】A．reflects B．protects C．detects D．selects