在用的YSP-50液化石油气气瓶，每（）年检验一次。 2。 3。 4。 5。
美国人类学家摩尔根把人类历史的发展分为三个时代，其中文明时代包括（）历史发展阶段。 奴隶社会、封建社会、资本主义社会。 封建社会、资本主义社会。 封建社会、资本主义社会、社会主义社会。 奴隶社会、封建社会。
Why would a developer prefer to use SOAP Web services over REST Web services？（） To provide message level security。 To allow integration with Web 2.0 applications。 To be able to use XML to format response messages。 To be able to use the HTTP or HTTPS transport protocol。
开发区热负荷包括（）。 工业热负荷。 采暖热负荷。 制冷热负荷。 管网热损失。 通风热负荷。
A financial industry customer will consolidate their Intel-based servers to a p5-550 running AIX， and needs experienced technical services. What information should the account executive provide to the customer to assure them that the technical specialist has the required experience？（） The technical specialist has supported multiple Cluster 1350 environments. References will be provided.。 The technical specialist is Linux-certified by two industry groups. Certificate copies will be provided.。 The technical specialist has worked on multiple UNIX consolidation projects. References will be provided.。 The technical specialist has worked on Linux consolidation efforts. References will be provided.。
单车制动和缓解感度试验时，要求减压40kPa前发生制动作用，保压合格后置充气位，制动机须在（）内缓解完毕。
