题型:填空题 The hospital _________ well, where many wounded ________every day. [ ]A. is operated; operationB. operates; are operated on C. operates; are operatedD. operates; operates on 查看答案
题型:填空题 当干地施工采用黏土回填时,应符合:填料应分层压实,每层填土的虚铺厚度,对机械夯实或碾压不宜();填土表面应留排水坡A.小于0.2m B.大于0.2m C.小于0.4m D.大于O.4m 查看答案