旅游合同格式条款的特点是（）。 ["主体的特定性","内容的规范性、定型化","双方地位的不平等性","无名性"]
承租方利用租赁柜台出售假冒伪劣商品的，由工商行政管理机关视其情节轻重，按照下列哪部法律、法规作出处罚（） ["反不正当竞争法","消费者权益保护法","广告法","公司法"]
管理员可以通过执行不同任务，包括（）、（）以及（）来维护活动目录数据库。
（）is not a job of the radar antenna. ["To receive the high-frequency pulses from the transmitter","To focus the pulses into a beam，and send them into space","To pick up reflected pulses coming from objects that have been struck by the beam","To reflect microwave"]
阀片与阀座的质量标准是什么？
阀门、法兰棉毡、席安装。其绝热工程量按体积计算还是按个数计算？
