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抚育采伐可分为()、()、()、()四类。

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一对称配筋的钢筋混凝土构件,其支座之间的距离固定不变。试问由于混凝土的收缩,混凝土及钢筋中将产生哪种应力?

下面有关质监机构经费的描述正确的有( )。

A. 质监机构因工作需要对工程实体进行非常规试验检测和交工、竣工验收检测依法发生的试验检测费用,由施工单位承担
B. 质量监督费应当由质监机构在公路工程所在地银行开设专户,单独立账,专款专用
C. 质监机构对工程的质量监督费实行自收自支,自负盈亏
D. 质监机构对工程的质量监督费收取后全部上交国库

Your network contains a server that runs Windows Server 2008. The server has the Network Policy Server (NPS) service role installed. You need to allow only members of a global group named Group1 VPN access to the network. What should you do?()

Add Group1 to the RAS and IAS Servers Group
B. Add Group1 to the Network Configuration Operators group
Create a new network policy and define a group-based connection for Group1. Set the access permission of the policy to Access granted. Set the processing order of the policy to 1
D. Create a new network policy and define a group-based condition for Group1. Set the access permission of the policy to Access Granted. Set the processing of the policy to 3.

某初产妇,孕足月。枕左前位,规律宫缩已17小时,宫口开大3cm,胎心140次/分,产妇一般情况良好。宫缩较初期间歇延长,为10~15分钟,持续30秒,宫缩高峰时子宫不硬。经详细检查无头盆不稳、骨盆狭窄。该产妇除有宫缩乏力外,还应诊断的是()。

A. 第二产程延长
B. 活跃期延长
C. 活跃期缩短
D. 潜伏期延长
E. 潜伏期缩短

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