计算下面长方形的周长.
长25厘米,宽8厘米.
周长=____
____your country____a rich culture?
根据句意及首字母提示,填写单词(1)I’d like to have two apple p____ .(2) Boys, stop t____ stones at the poor dog.(3)The dish Mom cooked p____ a nice smell.(4)One c____ means a hundred years.(5) In a____ times, it was hard for people to travel around.
下图示意某地理专题研究建立的地理信息系统图层。为了较合理地得出丙图,需要叠加的图层有( )