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什么是碳酸盐岩的原生孔隙和次生孔隙？

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蛋白质氨基酸在加热过程中容易形成什么？（）

A. 丙烯酰胺
B. 杂环胺
C. 苯并芘
D. 氯乙醇

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环网柜安装前，应检查环网柜柜内设备，母线室、开关室、电缆室、（）是否灵活、坚固。

A. 联络机构
B. 操作机构
C. 传动机构
D. 联锁机构

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You are creating a Windows Forms application by using the .NET Framework 3.5. You create a new form in your application.You add 100 controls at run time in the Load event handler of the form. Users report that the form takes a long time to get displayed. You need to improve the performance of the form. What should you do？（）

A. Call the InitLayout method of the form before adding all the controls.Call the PerformLayout method of the form after adding all the controls.
B. Call the InitLayout method of the form before adding all the controls.Call the ResumeLayout method of the form after adding all the controls.
Call the SuspendLayout method of the form before adding all the controls.Call the PerformLayout method of the form after adding all the controls.
D. Call the SuspendLayout method of the form before adding all the controls.Call the ResumeLayout method of the form after adding all the controls.

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（）企业退休人员社会化管理服务是指职工办理离退休手续后，其养老金实行社会化发放。

A. 正确
B. 错误

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