多项选择题

C公司为金属地下矿山开采企业,年开采矿石30x 104t,服务年限50 a。C公司2016年8月1日变更企业法定代表人为矿长甲。经批准,C公司对十六中段以下矿山组织实施改扩建工程,2016年9月15日与B矿建工程公司签订了《矿山工程施工合同》,约定了改扩建施工作业内容。改扩建期间十六中段以上正常生产。
2016年C公司投入的与安全生产有关的费用包括:主通风轴流风机维修支出4.7万元,劳动防护用品配备支出78.9万元,安全生产标准化评审支出11.5万元,人员定位系统完善支出23.6万元。改扩建工程安全评价支出13.3万元,安全教育培训支出14万元。
2017年1月14日8时,B公司电焊班班长安排电焊工乙和另外2名工人,携带2台电焊机.对改扩建回风巷钢支护进行焊接作业,乙发现电焊机未接通电源.将电焊机电源线接到回风巷局部通风机备用配电箱上,开始焊接作业。11时20分,C公司安全员丙与B公司安全员丁到焊接作业现场检查,丙告诉丁闻到了烧焦橡胶味,丁和乙都说应该是电焊焊接产生的,属于正常情况,丙在现场没有发现异常,就与丁一起离开了。随后,乙与其他焊接工作人员也都离开作业现场升井吃午饭。
12时40分,C公司排水工发现改扩建回风巷充满浓烟,向调度室电话报告后撤离。在调度室带班的分管安全副厂长戊立即向矿长甲报告。甲要求戊通知其他副矿长、安全科长和B公司项目经理立即到井口集合,同时通知井下作业人员紧急升井。13时5分,甲等陆续赶到井口,在没有配备必要的救援装备的情况下,先后组织50多人下井灭火施救。14时,甲感到事态严重,打电话向当地政府监管部门报告。事故当日19人死亡,3人失踪,101人重伤(其中64人急性中毒)。2017年1月19日,2名重伤人员医治无效死亡;2017年1月21日,1名失踪人员遗体被发现;2017年2月18日,又有2名重伤人员医治无效死亡。事故造成直接经济损失9700万元。事故调查发现:为局部通风机备用配电箱供电的电缆质量不合格,使用中发热导致电缆绝缘破损,在距离配电箱15m处发生短路,产生电弧,引燃电缆绝缘层及相邻衬木;火灾发生后,通风系统停电,燃烧产生的有毒有害气体进入采矿作业层,造成部分井下作业人员及救护人员中毒和窒息;C、B公司未严格执行国家有关规定,安全预防控制体系不健全;C、B公司安全教育培训不到位,员工安全意识差。
根据以上场景,回答下列问题(1~3题为单选题,4~5题为多选题):
根据《生产安全事故报告和调查处理条例》(国务院令第493号).起事故调查报告的主要内容应包括( )。

A.事故发生经过和事故救援情况
B.事故发生的原因和事故性质
C.事故责任单位年度安全生产费用使用情况
D.事故责任的认定以及对事故责任者的处理建议
E.事故发生的技术和管理问题专篇
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Summer is winding down, but it's still not too late to put the top down and hit the roaD.For those of us who can't spring for a Corvette or a BMW, here's some good news: Two of the coolest convertibles on the road are also more affordable—Volkswagen's New Beetle and Chrysler's PT Cruiser.Both start at about $20,000, seat four, and get between 22 and 24 miles per gallon from their four- cylinder engines. Each has fully insulated cloth tops with rear windows made of real glass, which makes them comfortable to use in winter. Front-wheel drive helps make them safer to drive over snow and icE.Both also offer high-performance turbocharged models starting at about $25,000.Both have bulging fenders and cool, retro personalities.Beyond that, they're very different. The PT Cruiser focuses on practicality, while the Beetle is more fun to drivE.That fun comes from the car's chassis, suspension, and overall structurE.Crank the steering into a turn and the car follows like an eager puppy. The engine isn't powerful, but loves to rev, so you can downshift to acceleratE.The New Beetle Convertible has developed an unfortunate reputation as a 'chick car' for its cute looks and the lack of power in the standard model. But for an extra $1,600, VW offers its turbocharged version, with a 150 horsepower, 1.8 liter engine, which gives the car some snap.Even so, the convertible top eliminates what little practicality the New Beetle hatchback offers. To fit the folding top, the back seat Was narrowed and angled so upright it's uncomfortablE.And the folded top sits above a tiny trunk, with only five cubic feet of capacity and accessible through a smaller portholE.Weekend trippers had better not have kids — or plan to rough it with more than a backpack or two. Interior storage is also minusculE.As with the New Beetle hatchback, the windshield is disconcertingly far away, and the wipers clear only a small slit of a view in front. Compared with the profile of the hatchback, however, the convertible sports a top that's lower and a little less cartoonlikE.The PT Cruiser, on the other hand, looks its sinister best with the top up. Peeling the top off reveals its cutesy 'roll hoop'. (Chrysler denies the hoop offers rollover protection and calls it a light bar.) But the Cruiser, like its four-door brethren, offers all the year-round practicality the original Beetle convertible did in its day. The back seat is comfortable for two people, and the trunk is roomy.Unfortunately, it's also hard to access because the big trunk lid gets in the way when open. So instead of standing to load or unload the car, you have to squat or kneel. But the storage space is huge — the biggest I've seen in any convertiblE.And the back seats fold forward in case you need to carry some long cargo. The interior offers four cup holders and several large storage bins.The 220-horsepower turbocharged engine in the GT model makes the Cruiser seriously quick, which backs up its hot-rod looks. But after that, the driving experience falls apart. Like its hot-rod inspirations, the Cruiser is best on a straight, smooth roaD.Over bumps, its floppy chassis wobbles like jello. On the highway, the Cruiser I tested needed continual corrections to stay in its lanE.The manual shifter on the GT proved sloppy; it was hard to be sure which gear the car was about to engagE.Several times I hit fifth gear when aiming for thirD.Chrysler apparently anticipated this problem, as a brief warning chimes to let you know when you're in reversE.Neither the PT Cruiser convertible nor the New Beetle is perfect. But for fun in the sun or even the fall what could be better? Both cars brought constant waves, smiles, and stories from passersby.What's a convertible about if it isn't looking good on the road and brightening your day?Those who choose Volkswagen's New Beetle or ChA.practicalityB.fun to driveC.pricesD.style
A.B.Both
C.
D.
E.
F.8
G.
H.
I.
J.)
K.
L.
M.
N.
O.practicality
B.fun
P.prices
多项选择题
C公司为金属地下矿山开采企业,年开采矿石30x 104t,服务年限50 a。C公司2016年8月1日变更企业法定代表人为矿长甲。经批准,C公司对十六中段以下矿山组织实施改扩建工程,2016年9月15日与B矿建工程公司签订了《矿山工程施工合同》,约定了改扩建施工作业内容。改扩建期间十六中段以上正常生产。 2016年C公司投入的与安全生产有关的费用包括:主通风轴流风机维修支出4.7万元,劳动防护用品配备支出78.9万元,安全生产标准化评审支出11.5万元,人员定位系统完善支出23.6万元。改扩建工程安全评价支出13.3万元,安全教育培训支出14万元。 2017年1月14日8时,B公司电焊班班长安排电焊工乙和另外2名工人,携带2台电焊机.对改扩建回风巷钢支护进行焊接作业,乙发现电焊机未接通电源.将电焊机电源线接到回风巷局部通风机备用配电箱上,开始焊接作业。11时20分,C公司安全员丙与B公司安全员丁到焊接作业现场检查,丙告诉丁闻到了烧焦橡胶味,丁和乙都说应该是电焊焊接产生的,属于正常情况,丙在现场没有发现异常,就与丁一起离开了。随后,乙与其他焊接工作人员也都离开作业现场升井吃午饭。 12时40分,C公司排水工发现改扩建回风巷充满浓烟,向调度室电话报告后撤离。在调度室带班的分管安全副厂长戊立即向矿长甲报告。甲要求戊通知其他副矿长、安全科长和B公司项目经理立即到井口集合,同时通知井下作业人员紧急升井。13时5分,甲等陆续赶到井口,在没有配备必要的救援装备的情况下,先后组织50多人下井灭火施救。14时,甲感到事态严重,打电话向当地政府监管部门报告。事故当日19人死亡,3人失踪,101人重伤(其中64人急性中毒)。2017年1月19日,2名重伤人员医治无效死亡;2017年1月21日,1名失踪人员遗体被发现;2017年2月18日,又有2名重伤人员医治无效死亡。事故造成直接经济损失9700万元。事故调查发现:为局部通风机备用配电箱供电的电缆质量不合格,使用中发热导致电缆绝缘破损,在距离配电箱15m处发生短路,产生电弧,引燃电缆绝缘层及相邻衬木;火灾发生后,通风系统停电,燃烧产生的有毒有害气体进入采矿作业层,造成部分井下作业人员及救护人员中毒和窒息;C、B公司未严格执行国家有关规定,安全预防控制体系不健全;C、B公司安全教育培训不到位,员工安全意识差。 根据以上场景,回答下列问题(1~3题为单选题,4~5题为多选题): 甲接到井下发生火灾的事故报告后应立即采取的措施包括( )。
A.启动应急救援预案
B.向当地政府监管部门报告
C.通知井下作业人员紧急升井
D.组织救援受伤人员
E.组织人员维修风道巷道