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将药包埋置在无限介质中进行爆破时，介质距离药包最近，受到压力最大的区域为（）。

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Which statement about the use of Route Target Rewrite is true？（）

A. It is mainly used in Intra-AS MPLS VPLS deployments and is configured at the ASBR to avoid misconfiguration of the Route Target assignment for VPN configurations
B. It is mainly used in Inter-AS MPLS VPN deployments and is configured at the ASBR to avoid misconfiguration of the Route Target assignment for VPN configurations
C. It is mainly used in Intra-AS MPLS VPLS deployments and is configured at the Router Reflectorto avoid misconfiguration in Route Target assignment for VPN configurations
D. It is mainly used in Inter-AS MPLS VPLS deployments and is configured at the Router Reflectorto avoid misconfiguration of the Route Target assignment for VPN configurations
E. It is mainly used in Inter-AS MPLS VPLS deployments and is configured at the PE router to avoid to misconfiguration of the Route Target assignment for VPN configuratio

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CRTSⅡ型板式无砟轨道相邻轨道板接缝处承轨台顶面相对高差及平面位置允许偏差为（）。

A. ±0.1mm
B. ±0.3mm
C. ±0.5mm
D. ±1mm

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进入人体组织或器官的医疗用品必须（）。

A. 消毒
B. 灭菌
C. 生理盐水清洗
D. 酒精浸泡
E. 碘伏擦拭

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集合行为是一种常态的群体行为，集合行为中的传播是一种自发的常态现象。

A. 正确
B. 错误

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