able regions of food security with underdeveloped local economies (Type Ⅱ), of which 57% are the main grain-surplus regions in China, mainly located in the are
小镇东街尾有一棵老槐树，树下有两间老砖房。老砖房墙皮斑驳，墙脚已经长了绿茵茵的青苔。临街的一面墙上，斜靠着几个刻好的墓碑。 孤身一人的瓜蒌大爷几十年来就靠刻墓碑过日子，錾子、锤子就是他的生计。瓜蒌大爷的手艺好，收费也便宜，他觉得刻墓碑是一门积德行善的手艺，不能把钱看得太重。瓜蒌大爷口碑好，四乡八里的，哪家死了人，都找他刻墓碑。 眼下瓜蒌大爷正在刻的，是西村赵有福的墓碑。赵有福的三个儿子都有钱，
ds on the scientific guidance of the re-gional development functional positioning, strong intra-regional interactions, and self-adaptability to the external con
因为社会和家庭氛围的熏陶，王维多年诚心信佛。他的佛学修养和宗教兴趣禅化了他的艺术创作觉。生性闲静的他，又喜沉浸在山水田园中。天时地利人和，使他具备了将禅意与山水田园结
妈妈,多想告诉你,我,想你了。可是,我竟说不出口。——题记这个夏天我来姥姥家已经有两三周了,是独自过来的。这边很凉快,但爹妈必须工作。我在两排居民楼之间慢慢地走,散心,
ompared with the year 1998.The successful measures and experiences of Yan-gou watershed are worth promoting on the Loess Plateau.
ed planation surfaces can be estimated. At least three landforms implying uplift can be identified in southeastern China, with elevations of 300-400 m, 2000 m a
ic regions. Comparison and verification show that the spatial precision of the boundaries of geomorphologic subareas in Xinjiang is very high.
article revealed the uplift age of red-bed basin to be 77.89±2.6 MaBP (K2) I.e. Late Cretaceous, and it is the first chronological datum of Danxia landform res