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简述变压器安装时注意事项。

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You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. In the Services schema, There is a table named Service.Table. The Services.Table has to be moved from the Sales schema to a new schema named Costs. In the options below, which Transact-SQL statement should you execute?()

ALTER TABLE Service.Table SWITCH TO Costs.Table1;
B. ALTER SCHEMA CostsTRANSFER Service.Table;
C. ALTER USER Service WITH DEFAULT_SCHEMA = Costs;
D. ALTER AUTHORIZATION ON Service.Table1 TO Cost

心悸是指病人自觉心跳或心慌,伴心前区不适感。

A. 正确
B. 错误

《大禹治水图》是玉雕珍品,其产于()。

A. 北京
B. 扬州
C. 苏州
D. 福建

救生筏中备有海锚两只,存放布置的要求是()。

A. 两只海锚都存放在备品袋中,以便于安全可用
B. 一只存放在备品袋中、一只存放在进出口的专用袋中便于立即可用
C. 一只存放在备品袋中,另一只系在筏的进出口,随着筏的充账而抛放入水

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