You are using standalone Cisco Aironet 1400 Series Wireless Bridges for a nine-mile point-to-pointwireless link between two buildings. Which distance setting should you use for the bridgeconfigured as theroot？（） ["20 km [12.4 miles]","10 km [6.2 miles]","5 km [3.1 miles]","25 km [15.5 miles]","15 km [9.3 miles]"]
速动资产主要是由（）等项目组成的。 ["现金","存货","短期有价证券","应收账款"]
机床各坐标轴终端设有极限开关，由极限开关设置的行程称为（）。 ["极限行程","行程保护","软极限","硬极限"]
供应商认为采购文件、采购过程和中标、成交结果使自己的权益受到损害的，可以在知道或者应知其权益受到损害之日起（）个工作日内，以书面形式向采购人提出质疑。 ["7","10","15","20"]
影响某地区人口数量变动的直接因素有（） ["人口社会变动","人口机械变动","人口出生","人口死亡"]
二次发酵
