某民营化工企业主要产品为日光油漆。其生产车间和库房中的主要原料有甲苯、二甲苯、甲基丙烯酸甲酯、丙烯酸丁酯、苯乙烯等。生产车间与库房的耐火等级均为二级，二者间距为10m原料和产品用机动车辆运输。另有冬季取暖的燃煤锅炉一台，锅炉房邻近库房一侧，与库房间距为14m，其耐火等级为三级。企业原有从业人员11人，今年初又招聘从业人员甲，现有从业人员12人。企业未设安全生产管理机构和专职安全生产管理人员，由技术员兼职安全生产管理人员。
根据《建筑设计防火规范》（GBJ16—1987），该企业燃煤锅炉房的火灾危险性为（）类。
A.甲类
B.乙类
C.丙类
D.丁类
E.戊类
参考答案：D
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| During the first week of the term, every student was given a job for which they would be responsible for the rest of that school year. Some jobs were more 1 than others, and the children were eager to be given one of the best ones. And the teacher would 2 who had been most responsible during the previous year. Among them Rita 3 . During the previous year she had followed all the teacher's 4 perfectly. But that year there was a big 5 . Each child received one of the normal 6 , like cleaning the blackboard. But Rita's job was very 7 . She was given a little box containing some sand and one ant. And even though the teacher 8 that this ant was a very special ant, it 9 Rita. Most of her classmates felt sorry for her and even her father 10 Rita to ignore it. 11 , Rita preferred to show the teacher her error by making the unimportant task into a special job. " I will turn this little task into 12 great," Rita said to herself. So Rita started 13 her little ant. She gave the ant the best food, and it grew bigger than anyone had expected… One day, the teacher 14 a man to the students and said he would tell them a 15 piece of news. The man said, " Today they have announced the winner of the 16 , and this class is the winner! This class has been chosen to accompany me on a 17 to the tropical rainforest to investigate all kinds of insects. 18 all the schools of this region, it is this one that has best 19 for the little ant given to you. Well done!" That day the class was filled with joy. Everyone 20 Rita and thanked the teacher. And many children learnt that to be given the most important tasks you have to know how to be responsible for even the smallest tasks. | ||||
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