巷交岔点，必须设置路标，标明所在地点，指明通往安全出口的方向。井下作业人员必须熟悉通往安全出口的路线
1、正确正确
暂无解析
翻译：WorldWarIIwasmorecomplexthanWorldWarI,whichwasacollisionamongtheimperialistpowersoverthespoilsofmarket,resourcesandterritories.
句子写作：Suchanattitudewouldemphasizethevalueoflife.
InBritain,ministersareappointedbytheQueenontherecommendationof________.
ForelectoralpurposesBritainisdividedinto659constituencies,eachofwhichreturns________totheHouseofCommons.
Wecannotleavethistoughjobtoaperson________.
