发现有人在低压设备上触电,当触电人离电源开关近时,应怎样使触电者脱离电源?
Which two differentiators make RSTP the preferred protocol for preventing Layer 2 loops in a switchednetwork environment?() (Choose two.) Features such as UplinkFast and BackboneFast are compatible with RSTP.。 An RSTP that is based on Cisco products generally performs better than the Cisco proprietary 802.1D enhancements.。 Cisco proprietary enhancements are not transparent.。 Information about port roles is sent to all switches.。 RSTPs that are based on Cisco products require no additional configuration.。
某男性患者,30岁,系肾损伤,护理评估时发现有少尿,其24h正常尿量为() <100ml。 <400ml。 1000~20O0ml。 >2500ml。 <1000ml。
支票不具有的作用为() 信用作用。 流通作用。 汇兑作用。 结算作用。
当相关系数为-1时,证券组合的风险最大。
劳动者可以在()依法承担职业病诊断的医疗卫生机构进行职业病诊断。