A. 沙质河床0.1~0.3m,石质河床0.2~0.5m B. 沙质河床0.2~0.3m,石质河床0.2~0.5m C. 沙质河床0.1~0.3m,石质河床0.3~0.5m D. 沙质河床0.2~0.3m,石质河床0.3~0.5m
A. 老奸巨猾 B. 喜怒哀乐 C. 颠沛流离 D. 魑魅魍魉