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诗句“尽是刘郎去后栽。”请问诗中的“刘郎”是指谁？

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设备维修（调整）过程中每10件或开始生产10分钟的烟必须至少进行一次检验。

A. 正确
B. 错误

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化学毒物经皮吸收必须具备下述哪项条件（）

A. 水溶性
B. 脂溶性
C. 水溶性和脂溶性
D. 分子量小于100

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You create a Web application to process XML documents. The Web application receives XML document files from several sources, reads them, and stores them in a Microsoft SQL Server database. The Web application parses all incoming data files to ensure that they conform to an XML schema. You need to find all validation errors in the XML document. What should you do?（）

A. Load the XML data by using an instance of the XmlDocument class and specify a location for the application schema.
B. Configure the ValidationEventHandler in the XmlReaderSettings of the XmlReader object.
C. Read the XML file into a DataSet object and set the EnforceConstraints property to True.
D. Read the XML file into a DataSet object. Handle the DataSet.MergeFailed event to parse the data that does not conform to the XML schema.

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白居易《简简吟》诗中有句云：“大都好物不坚牢，彩云易散琉璃脆”，则在《红楼梦》中与简简对应的人物是谁？

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