工业企业供电系统的常用额定电压等级及选取额定电压等级时应考虑的因素。
放大镜、天平、水箱等材料应投放在（）区。
下列哪一项是日本人最提倡的：（） ["仁","忠","孝","智"]
“新月似银钩，弯弯挂客愁”是一种（） ["相关联想","相反联想","因果联想","相似联想"]
When calls are denied by call admission control （CAC）， the calls are rerouted through the PSTN via the use of which Cisco CallManager feature？（） ["automated alternate routing （AAR）","Cisco CallManager Attendant Console","real-time protocol （RTP）","Survivable Remote Site Telephony （SRST）"]
凯恩斯为什么主张用通货膨胀的办法刺激资本主义经济？
