（）文件格式是美国Adobe公司开发的电子读物文件格式。
饱和水汽压表示（）。 ["空气的潮湿程度","空气中水汽所产生的分压力","空气中能含水汽的最大限度","空气中水汽的含量"]
开展“两学一做”学习教育，应坚持反面教育为主原则。
列宁从（）规律出发，认为社会主义革命可能在一国或数国首先取得胜利。 ["资本主义经济政治发展不平衡","资本主义剩余价值生产","资本主义基本矛盾","资本主义社会再生产"]
You work as a network engineer for . You study the exhibit carefully. Based upon the output shown， what can you determine？（） Exhibit： ["VLAN 30 is not operational due to the fact that there are no packet or byte counts indicated. ","The IP Cisco Express Forwarding configuration is capable of supporting IPv6.","Cisco Express Forwarding load balancing has been disabled.","SVI VLAN 30 connects directly to the 10.1.30.0\/24 network due to a valid glean adjacency."]
如何确定哪些预备党员需要延长预备期？
