【单选题】以八荣八耻为主要内容的社会主义荣辱观于()提出。
【多选题】某年2月3日,某公司海月花园三期阳台栏杆工程进行验收,发现部分需要修补。2月27日,施工单位安排作业人员对栏杆验收中发现的个别问题进行缺陷修补。约9时50分,李某翻过18层的花坛内侧栏杆,站到18层花坛外侧约30厘米宽、没有任何防护的飘板上向下溜放电焊机电缆,不慎从飘板面坠落至一层地面,坠落高度约54米,经抢救无效死亡。试分析导致该起生产安全事故发生的直接原因有( )
C.
李某在未系安全带的情况下进行高处临边悬空作业
D.
李某在没有任何安全防护措施的情况下进行高处临边悬空作业
E.
施工现场安全检查不到位,没有制止李某的违章作业
【单选题】_____ providing lubricating films, oil used in marine diesel engines have to remove heat from oil cooled piston.
【单选题】听力原文:Following last Monday's heavy storm in the Wilmington Valley, flood waters from the Wilmington River have risen over twenty feet. Thousands of families have been evacuated from the region and are...
C.
More homes than families.
【单选题】During inspection of oil and oily mixtures from machinery spaces, which of the following factors should be taken into account by the PSCO? .
A.
The quantity of oil residues generated
B.
The capacity of sludge and bilge water holding tank
C.
The capacity of the oily water separator
【单选题】飞机在飞行中,向右转弯,驾驶员踩右脚蹬,则方向舵