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简述冷焦后放不下来的现象、原因及如何人处理。

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井喷失控应急预案编制原则之一是维护公司的整体利益和（）。

A. 长远利益
B. 近期效益
C. 短期利益
D. 经济效益

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当转炉终点钢水碳低、温低时，应该（）补吹提温，以避免钢水过氧化。

A. 加造渣剂
B. 降低枪位
C. 向炉内加入适量提温剂
D. 都不对

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You work in a company which is named Wiikigo Corp. The company 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 report which is often executed during business time. There is a stored procedure that is used as the data source for the report. You get a report from users saying that they receive the data returned by the report but the data is inconsistent. As the technical support, you check and find that phantom reads cause this problem. You must make sure that consistent data is returned by the report while not affecting other users. So what action should you perform to achieve this goal?（）

A. You should configure the database for Read Committed Snapshot isolation.
B. You should modify the stored procedure to use the Snapshot isolation level
C. You should configure the database for Auto Update Statistics asynchronously
D. You should modify the stored procedure to use the Repeatable Read isolation level

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电抗器的呼吸器中的硅胶受潮后应变成（）。

A. 白色
B. 粉红色
C. 蓝色
D. 紫色

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