Which statement about the S-Series native FTP proxy is not true？（） [" both active and passive modes FTP are supported"," by default the FTP proxy uses port 8021"," access polices may apply to native FTP traffic"," data loss prevention policies may apply to native FTP traffic"," authentication is supported in transparent mode"]
各型橡胶密封件自制造完成之日起至组装使用前的贮存期不超过（）。 ["3个月","6个月","9个月","1年"]
秦朝有效管辖今天香港、澳门的地方郡县是（）。 ["桂林","南海","广州","象郡"]
患者，女性，55岁。右侧乳房外上象限无痛性肿块。肿块质地较硬，与周围组织分界不清，不易推动，肿块表面有“橘皮样”改变，右侧腋窝可触及多个散在肿大的淋巴结。该患者确诊为腺癌，可选择的最佳治疗方法是（） ["手术治疗","化学治疗","放射治疗","中医中药治疗","免疫治疗"]
奠定我国儿童游戏研究的基础的代表人物是（） ["张雪门","张宗麟","陶行知","陈鹤琴"]
简述科层制的含义。
