标题: 一题相求-TPO2-第一篇Q12Cherence [打印本页] 作者: evelyn205205 时间: 2011-10-4 17:26 标题: 一题相求-TPO2-第一篇Q12Cherence 求助一题Coherence: However, some modern architectural designs, such as those using folded plates of concrete or air-inflated structure, are again unifying skeleton and skin ___The rising of livestock is a major economic activity in semiarid lands, where grasses are generally the dominant type of natural vegetation. ___The consequences of an excessive hurdle of livestock graining in an area are the reduction of the vegetation on cover and the trampling and pulverization of the soil. ___This is usually followed by the drying of the soil and accelerated erosion.___