监督抽查的样品应当在（）中随机抽取 ["企业原料仓库","运输车辆","企业成品仓库内待销产品"]
提倡克己美德就是要求医务人员从不计较个人得失。
在架空电力线路导线跨越重要公路和航道的区段，应一没立标志，并标明（）。 ["污染情况","湿度","温度","导线距穿越物体之间的安全距离"]
医学科研的根本目的是救死扶伤。
Which three components are part of the Intelligent Network Services provided by the Cisco AVVID framework? （） [" IP telephony"," security"," IP multicasting"," QoS"]
什么叫合金钢？同碳素钢相比，有哪些优越性？
