题目内容

通过简单蒸馏可以得到接近纯的部分。

A. 正确
B. 错误

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You administer a SQL Server 2008 instance. You deploy a new database named Engineering. The Engineering database manages large documents that will be revised occasionally. You need to design a table structure that allows fast read access. You also need to minimize storage space requirements. Which two actions should you perform?()

A. Use NTFS file system compression on the volume.
B. Use row-level compression on the document table.
C. Use varbinary(MAX) data type with FILESTREAM storage.
D. Enable row-level compression on all columns that use the vardecimal() data type.

“人类之所以千差万别,就是由于教育之故。”()

A. 正确
B. 错误

防落梁挡块与支承垫石之间的空隙宜在()之间。

以下可以避免“盐类暂时消失”现象的措施有()

A. 改善锅炉燃烧工况,使各部分炉管上的热负荷均匀
B. 加大加药量
C. 改善锅炉内的加药处理,限制锅炉水中的磷酸根含量
D. 减少锅炉炉管内的沉积物,提高其清洁程度等

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