（）是行使管理职能的组织基础，建立健全合理的园所机构和制定相应制度，对贯彻教育方针，完成幼儿园双重任务，具有保证作用。 ["A.教育局 ","B.幼教机构 ","C.幼儿园 ","D.相关领导部门"]
On a Cisco Aironet 1240AG Series standalone access point， the radio LED is dark blue and blinking，but the status LED and Ethernet LED are both off. What does this indicate？（） ["A firmware upgrade is in progress.","An access point buffer overflow is occurring.","The internal radio has failed.","The access point is booting."]
简述在分离黄酮化合物时，影响聚酰胺吸附力强弱的因素？
板手的用途是什么？
2014年我国零售支付主要使用现金。全国社会商品零售总额中有（）的交易是用现金支付的。 ["20%","13%","5%","80%"]
协同作用
