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简述临产后阴道检查的适应证。

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简述临产后肛查的次数及作用。

You are a professional level SQL Sever 2008 Database Administrator in an international corporation named Wiikigo. You are experienced in managing databases in an enterprise-level organization, optimizing and sustaining the database life cycle. In the company, your job is to implement solutions on security, troubleshooting, deployment and optimization. A SQL Server 2008 infrastructure is managed by you. A maintenance strategy should be designed for a mission-critical database, and a large table named Orders is contained by the database. Index maintenance operations are contained in the design plan. When you design the strategy, the facts listed below should be taken into consideration. First, the users continuously access to the Orders table in the database. Secondly, a column of the xml data type is contained by Orders table. Thirdly, the new rows are regularly added to the Orders table. Fourthly, the average fragmentation for the clustered index of the Orders table is no more than 2 percent. A strategy should be designed to have the performance of the queries on the table optimized. Which action will you perform?（）

A. The clustered index of the Orders table should be dropped.
B. The clustered index of the Orders table offline should be rebuilt once a month.
C. The clustered index of the Orders table should be excluded from scheduled reorganizing or rebuilding operations.
D. The clustered index of the Orders table should be reorganized by reducing the fill factor.

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尚未领到法定代码或不属于法定代码赋码范围的单位，一律由各级统计部门从临时码段中赋予代码。（）

A. 正确
B. 错误

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风险管理的效果就是获得的安全保障与成本的比值，比值越大，效益越好，当效益比值（）时，该风险管理技术可取。

A. 小于1
B. 等于1
C. 大于1
D. 大于0

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