某生产车间A产品采用定额法计算成本。本月份有关A产品原材料费用如下：
月初在产品原材料定额费用1000元，原材料脱离定额差异为节约147元，月初在产品原材料定额调整为降低100元，定额变动差异完全由完工产品负担。
本月投产原材料定额费用为24000元，原材料脱离定额差异为节约600元。
本月原材料成本差异额为节约350元，原材料成本差异全部由完工A产品成本负担。
本月完工A产品原材料定额费用为22000元。计算完工A产品和月末在产品实际原材料费用（列出计算过程）。
以下不属于原型定向教学要求的是（） ["了解活动的结构","发挥学生主动性与独立性","要变更活动的对象","教师示范要正确"]
贫困恶性循环论
Refer to the exhibit. All routers are configured for BGP. EBGP routes received on router R2 showup in the BGP table on routers R1 and R3 but not in their IP routing tables. What would causethis？（） ["EBGP multihop is not configured on routers R1 and R3","Routers R1 and R3 do not receive the same routes via an IGP","Synchronization in autonomous system 100 is turned is on","The BGP routers in autonomous system 100 are not logically fully-meshed","Synchronization in autonomous system 100 is turned is off"]
建筑屋顶利用太阳能的方式有以下哪几种（） ["A.太阳能被动制冷屋顶 ","B.太阳能热水器屋顶 ","C.太阳能主动制冷屋顶 ","D.太阳能光电屋顶 ","E.太阳能非光电屋顶"]
（）是当今世界经济和社会发展的大趋势。
