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《用人单位职业病危害因素定期检测管理规范》适用于产生职业病危害的用人单位对其工作场所进行职业病危害因素申报及其管理。

A. 正确
B. 错误

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简述瑞利散射与拉曼散射的区别。

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由于长期吸入电焊烟尘而引起的尘肺是（）

A. 矽肺
B. 水泥尘肺
C. 滑石肺
D. 焊工尘肺

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You have configured flash recovery area in your database and you set the following Initialization parameters for your database instance： LOG_ARCHIVE_DEST 1 = ，，LOCATION=/disk1/arch MANDATORY’ LOG _ARCHIEVE_DEST 2 = ，，LOCATION=/disk2/arch’ LOG_ARCHIVK_DEST_3 = ，，LOCATION=/diSk3/arch LOG_ARCH1VK_DEST_4 = ’ LOCATION=/disk4/arch’ LOG_ARCHIVE_MIN-SUCCEED_DEST = 2 While the database instance is functional，you realized that the destination set by the LOG_ARCHIVE_DEST_I parameter Is not available for the archived redo log file to be created in. All redo log groups have been used. What happens in an event of log switch？（）

A. The online redo log file Is not allowed to be overwritten.
B. The archived redo log files are written to the flash recovery area until the MANDATORY destination is made available.
C. The database instance will crash because the archived redo log file cannot be created in a destination set as MANDATOR
D. The destination set by the LOG_ARCHIVE_DEST_1 parameter is ignored and the archived redo log files are created in the next two available locations to guarantee archive log success.

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技术构架的资源层包括运营调度管理系统的软件资源和（）资源。

A. 数据
B. 硬件
C. 系统
D. 服务

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《用人单位职业病危害因素定期检测管理规范》适用于产生职业病危害的用人单位对其工作场所进行职业病危害因素申报及其管理。

A. 正确 B. 错误

简述瑞利散射与拉曼散射的区别。

由于长期吸入电焊烟尘而引起的尘肺是（）

技术构架的资源层包括运营调度管理系统的软件资源和（）资源。

A. 正确
B. 错误