电缆沟槽开挖时,应将路面铺设材料和泥土(),堆置处和沟槽应保持通道供施工人员正常行走。
A、靠墙堆置
B、混合堆置
C、分别堆置
D、用围栏围起
参考答案:C
4. The purpose of her study was to .
A.watch the wild chimps in cages
B.gain a doctor’s degree
C.understand and respect the lives of chimps
D.live in the forest as men can
如何评价拿破仑?