A-A+
The villages and towns were usually perched on
问题详情
The villages and towns were usually perched on the edge [of the farms] so as not to waste arable soil and because there was a need, before the High dam tamed the Nile, to live beyond the reach of the annual floods.请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：为了不浪费可耕地村庄和小镇通常建在田边上；另一个原因是在没建尼罗河大坝以前人们要住得离河道远一点以躲避每年发生的洪水。
为了不浪费可耕地，村庄和小镇通常建在田边上；另一个原因是，在没建尼罗河大坝以前，人们要住得离河道远一点，以躲避每年发生的洪水。
