单项选择题

2012年4月29日，某淀粉厂的4号车间包装工段突然发生淀粉粉尘爆炸起火。一瞬间，停电停水，当时249名职工大部分被围困在火海之中。经及时抢救，多数职工脱离了危险区。
该厂的除尘系统采用布袋除尘，金属管道输送淀粉粉尘。事故导致整个除尘系统遭受严重破坏，部分厂房倒塌，车间内的大部分机器和电器设备损坏，企业停产，事故造成死亡29人，重伤3人，轻伤14人，直接经济损失300多万元。
根据以上场景，回答下列问题
根据《企业职工伤亡事故分类标准》，该起事故类别属于（　　）

A.瓦斯爆炸
B.火药爆炸
C.锅炉爆炸
D.容器爆炸
E.其他爆炸
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听力原文：W: Mr. White, What changes have you seen in the champagne market in the last ten to fifteen years?M: Well, the biggest change has been the decrease in sales since the great boom years of the 1980s when champagne production and sales reached record levels.W: Which was the best year?M: Well, the record was in 1989 when 249 million bottles of champagne were solD.The highest production level was reached in 1990 with a total of 293 million bottles. Of course since those boom years, sales have fallen.W: Has the market been badly hit by the recession?M: Oh, certainly. The economic problems in champagne's export markets, that's Europe, the United States, Japan, and of course, the domestic market in FrancE.The economic problems have certainly been one reason for the decrease in champagne sales.W: And the other reasons?M: Another important factor has been pricE.In the early 90s, champagne was very overpriced, so many people stopped buying it. Instead, they bought sparkling wines from other countries, in particular, from Australia, and Spain. And then, there was another problem for champagne in the early 90s.W: What was that?M: There was a lot of rather bad champagne on the market. This meant the popularity of good sparkling wines increased even morE.People were surprised by their quality, and of course they were a lot cheaper than champagnE.W: Do you think the champagne market will recover in the future?M: Oh, I'm sure it will. When the economic situation improves, I believe the market will recover.(20)A.It saw the end of its booming years worldwidE.B.Its production and sales reached record levels.C.It became popular in some foreign countries.D.Its domestic market started to shrink rapidly.
A.W:
B.
W:
C.
W:
D.
W:
E.
W:
F.
(20)
A.It
G.
B.Its
H.
C.It
I.
D.Its
单项选择题
2012年6月30日，某烟花厂发生特大爆炸事故，死亡37人，重伤12人；损毁厂房、仓库、民房10200m2和大量设备、原材料；直接经济损失3000万元。经事故现场勘察、调查询问及专家组调查、试验分析后认定：此次事故为包装二车间装配工王某操作不当所致。事发当时，王某用气动钉枪对一枚火箭烟花进行装配时，连打两钉都错位，意外引燃所装配的火箭烟花。此时工人丁某（事故中死亡）正领完原料路过该处，火箭烟花引燃其手推车上的原料，又引爆了二车间内大量待组装的烟花半成品和成品；继而引爆、殉爆厂内其他车间、仓库内的易燃易爆物品。爆炸总药量约为9吨“TNT”的量，整个厂区瞬间夷为废墟。调查确认：王某在事故前1个多月进厂，先做清洁工，事故前3天未经培训被安排到包装二车间装配工序打气钉。根据以上场景，回答下列问题依据《生产安全事故报告和调查处理条例》（国务院令第493号）的规定，该起事故属于（ ）
A.特别重大事故
B.重大事故
C.较大事故
D.一般事故
E.轻微事故
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