单选题
发布日期:2020-08-20
运动总是使糖尿病患者的血糖降低
糖尿病患者应进行有规律的合适运动
1型糖尿病患者的运动宜在餐后进行
有大血管和微血管并发症者应在医生指导下运动
胰岛功能很差者,应先给予胰岛素补充治疗后再开始运动
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You are a professional level SQL Server 2005 database administrator in an international corporation named Wiikigo. You are experienced in implementing high-availability solutions, monitoring the database server, and design deployment. In the company, you major job is the deployment, maintenance and support of Microsoft SQL Server 2005.You work as a database administrator for your company. You find a problem that when the following query is executed, a SQL Server 2005 application will perform slowly. SELECT * FROM Orders WHERE OrderStatus = ’InProgress’ This query is executed by the application as an ad hoc query. In most occasions, this query performs much more quickly. The company has the OrderStatus column indexed. The value InProgress is included by only a small number of the rows. Nevertheless, the OrderStatus column index which is the most ideal for this query is not being utilized. The performance of this query should be enhanced. However, the application that executes the query should not be changed. In addition, the effect on end users should be cut to the least. Which action should be performed to finish the task?()
我们可以从壁画中的人物形象和使用器具推断出壁画创作的年代。
按照生长季划分的二年生花卉又称为()。
代执行一般应该有()等几个阶段。
什么叫常量化变量?其作用是什么?
喷雾降尘能起到怎样的捕尘作用?
( )可以基于历史记录以及专家经验,并根据风险类型、风险分析的目的以及信息数据的可获得性,采取定性、定量或者定性与定量相结合的方式。
某项固定资产原值为 5 万元,预计使用年限为5年,净残值为 2000 元,采用双倍余额递减法进行折旧时,第三年折旧额为( )。
一项社会研究中研究对象称为()。
下列景区中,在同一年被评为国家4A级风景区的包括( )。
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