题型:判断题 Li Gang, a police officer said that little about what his son _____ he know the moment all the media reported the traffic accident _____ in Hebei University.A.did did; happeningB.did do; happenedC.would do; happeningD.could do; happened 查看答案
题型:判断题 对土钉墙施工描述不正确的是()A.选用对坡面扰动较小的施工机具和施工方法,开挖中应防止上部和下部连接处局部失稳。B.土钉墙应按“自下而上,分层开挖,分层锚固,分层喷护”的原则组织施工,并及时挂网喷护,不得使坡面长期暴露风化失稳。C.喷砼处理堵管时,操作人员应紧握喷嘴,防止管道甩动伤人,当管道中有压力时,不得拆卸管接头。D.土钉钻孔时,严禁灌水;钉孔注浆应采用孔底注浆法,确保注浆饱满,注浆压力宜为0.2MPa。 查看答案