题目内容

下列关于井下通风的防治,说法正确的是()。

A. 采掘工作面的进风流中,氧气浓度不低于0.5%,二氧化碳浓度不超过20%
B. 井下工作人数与每人每分钟供给风量不得少于4m3
C. 矿井有足够数量的通风安全检测仪表
D. 矿井必须有完整的独立通风系统

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据组织和开展形式,社会实践活动可划分为()。

A. 教学部门组织的教学计划外活动
B. 教学部门组织的教学计划内活动
C. 学生个体从事的社会实践活动
D. 团委或学生会组织的教学计划外活动

You need to design a security strategy that will ensure that unauthorized users cannot access personnel data. Your solution must comply with security requirements and the company’s new administrative model.What should you do?()

A. In the Default Domain Policy Group Policy object (GPO) for the corp.woodgrovebank.com domain, add the LA\HRUsers group to the Restricted Groups list. Add only the HR department user accounts to the Allowed Members list
B. In the Default Domain Policy Group Policy object (GPO) for the la.corp.woodgrovebank.com domain, add the LA\HRUsers group to the Restricted Groups list. Add only the HR department user accounts to the Allowed Members list
C. In the Default Domain Policy Group Policy object (GPO) for the corp.woodgrovebank.com domain, add the LA\HRUsers group and the CORP\Backup Operators group to the Restricted Groups list. Add only the HR department user accounts and the administrator user accounts to the Allowed Members list for each group
D. In the Default Domain Policy Group Policy object (GPO) for the la.corp.woodgrovebank.com domain, add the LA\HRUsers group and the CORP\Backup Operators group to the Restricted Groups list. Add only the HR department user accounts to the Allowed Members list for the LA\HRUsers group. Add only the administrator user accounts to the Allowed Members list for the CORP\Backup Operators grou

邓小平对社会主义本质的概括突出了()的基础地位

A. 共同富裕
B. 消灭剥削
C. 消除两极分化
D. 解放和发展生产力

如出现机组提前进场,或机组在规定发车时间尚未上车等无法保证乘务组、机组进场时间一致的情况时,乘务组应采取自行进场或者主动向机组提出进场申请的方法保证按照规定的时间按时登机,同时客舱经理(乘务长)、安全员应及时向()说明情况。

A. 机长
B. 乘务调度
C. 乘务值班

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