多项选择题《山东省生产安全事故报告和调查处理办法》规定，事故的报告应当____、准确、完整，任何单位和个人对事故不得____、漏报、谎报或者瞒报。
单项选择题I tried to attract his attention, but he was in a brown study. According to the sentence above, what is the meaning of brown ? A、asleep B、in meditation C、studying D、dark room
