业主委员会提起诉讼需要经过业主大会的授权。   ‎

单项选择题冬季某日，爆炸工误认为一个装有雷管的铝盒是他同事的饭盒，把它放在炉上烤，以致发生爆炸事故，甲对爆炸事故的发生在主观上是（ ）A.间接故意B.疏忽大意的过失C.过于自信的过D.意外事件

单项选择题采用bottom-up方法估算某区域物质M在用量时可采用以下（ ）计算 Which of the following ( ) extensively describes the method for estimating the regional in-use stock of a certain substance M in a bottom-up method A、该区域含有物质M的产品数量与单个产品物质M平均含量的乘积 The number of products containing substance M multiply by the average content of substance M in an individual product B、该区域面积与单位面积中物质M的平均含量的乘积 The area multiply by the average content of substance M per unit of area C、该区域人口数量和该地区人均物质M用量的乘积 The population of the region multiply by the average amount of substance M per capita D、以上方法都可用 All of the above