(1)分别说出A、B两地所在地形区的主要地形类型。 _________________________________________________________________________________________ (2)描述H河中下游的水文特征。 _________________________________________________________________________________________ _________________________________________________________________________________________ (3)说明甲国建设农田灌溉系统的自然原因。 _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ (4)评价甲国矿产资源开发条件。 _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ |