第16题: [单项选择]Who was the small man A. A stranger who lived nearby B. One of the guests. C. One of the host’s friends. 参考答案:A 答案解析:[听力原文]17-20 It was Christmas, and there was a big party in the house. Guests came and went bu
第28题: [单项选择]下列关于管道敷设检查内容的说法,错误的是()。 A. 严禁厂房内用于有爆炸危险场所的排风管道穿过防火墙和有爆炸危险的房间隔墙 B. 甲、乙、丙类厂房内的送、排风管道宜分层设置 C. 检查其是否采用金属管道直接通向室外安全地点 D. 对排除有燃烧或爆炸危险气体、蒸汽和粉尘的排风系统以及燃油或燃气锅炉房的机械通风设施,检查其是否设置导除静电的接地装置 参考答案:D