党员条件是由党员基本条件，申请入党条件和（）组成的 ["党员义务","党员权利","党员思想","党员质量"]
OSI 模型的哪一层定义逻辑地址（） ["应用层","表示层","会话层","传输层","网络层","数据链路层"]
下列哪些预防措施符合事故预防的薄弱环节原则（） ["电路的保险丝","压力容器的卸压阀","锅炉的熔栓","开采放射性矿物的工作时间尽量缩短","开采放射性矿物的工作时间尽量延长"]
简述同生结核、成岩结核和后生结核的基本特征。
Which three Layer 2 access designs have all of their uplinks in an active state?（） [" Flex Links"," loop-free U"," looped square"," looped triangle"," loop-free inverted U"]
人际交往。
