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某服装厂厂房为一栋六层钢筋混凝土建筑物。厂房一层是裁床车间，二层是手缝和包装车间及办公室，三至六层是成衣车间。厂房一层原有4个门，后2个门被封死，1个门上了锁，仅留1个门供员工上下班进出。厂房内唯一的上下楼梯平台上堆放了杂物，仅留0.8 m宽的通道供员工通行。半年前，在厂房一层用木板和铁栅栏分隔出了一个临时库房。由于用电负荷加大，临时库房内总电闸保险丝经常烧断。为不影响生产，电工用铜丝代替临时库房内的总电闸保险丝。经总电闸引出的电线，搭在铁栅栏上，穿出临时库房，但没有用绝缘套管，电线下堆放了2 m高的木料。2008年6月6日，该服装厂发生火灾事故。起火初期火势不大：有员工试图拧开消火栓和用灭火器灭火，但因不会操作未果。火势迅速蔓延至二、三层。当时，正在二层办公的厂长看到火灾后立即逃离现场：二至六层的401名员工在无人指挥的情况下慌乱逃生，多人跳楼逃生摔伤；一层人员全部逃出。该起火灾事故，造成67人死亡、51人受伤，直接经济损失3600万元。事故调查发现，起火原因是一层库房内电线短路产生高温熔珠，引燃堆在下面的木料；整个火灾过程中无人报警；事故前该厂曾收到当地消防机构关于该厂火险隐患的责令限期改正通知书，但未整改；厂内仅有一名电工，且无特种作业人员操作证。 根据以上场景，回答下列问题(1～3题为单选题，4～8题为多选题) 关于此次事故中逃生时受伤的员工是否应定为工伤的问题，按我国相关法律、法规，下列说法中，正确的是( )。
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某储运公司仓储区占地300 m×300 m，共有8个库房，原用于存放一般货物。3年前，该储运公司未经任何技术改造和审批，擅自将1号、4号和6号库房改存危险化学品。2008年3月14日12时18分，仓储区4号库房内首先发生爆炸，12分钟后，6号库房也发生了爆炸，爆炸引发了火灾，火势越来越大，之后相继发生了几次小规模爆炸。消防队到达现场后，发现消火栓不出水，消防蓄水池没水，随后在1公里外找到取水点，并立即展开灭火抢险救援行动。事故发生前，1号库房存放双氧水5 t；4号库房存放硫化钠10 t、过硫酸铵40 t、高锰酸钾10 t、硝酸铵130 t、洗衣粉50 t；6号库房存放硫磺15 t、甲苯4 t、甲酸乙酯10 t。事故导致15人死亡、36人重伤、近万人疏散，烧损、炸毁建筑物39000 m2和大量化学物品等，直接经济损失1.2亿元。 根据以上场景，回答下列问题(1～3题为单选题，4～7题为多选题) 根据相关法律，法规和规定，下列物质中，目前在我国属于危险化学品的有( )。
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Directions: Read the following text. Choose the best word (s) for each numbered blank and mark A, B, C or D on Answer Sheet 1. The amount of sunlight reaching Earth’s surface appears to be growing. The phenomenon, which some dub "global brightening," (1) scientists with a puzzle. If the (2) is real and global, how long will it last and what are the consequences for climate change, the planet’s water cycle, and other (3) that draw energy from sunlight (4) , the answer might seem obvious: More sunlight reaching the ground in a warming world means that temperatures will get warmer (5) . Not so fast, some researchers say. Additional warming would be certain (6) nothing else in the climate system changes. And the climate system is (7) static. Some combinations of changes could reinforce the heating; others could (8) it. Unraveling these interactions and forecasting their course require an accurate accounting of the sunlight reaching the surface and the (9) the surface sends skyward. Moreover, researchers say, measurements of the sun’s strength at Earth’s surface are potentially powerful tools for (10) human influences on the climate. Earth’s radiation "budget" (11) an "extremely important parameter that is (12) known,’ says Robert Charlson, an atmospheric scientist at the University of Washington at Seattle. "It needs to be (13) much better than it is." (14) about the amount of sunlight reaching Earth’s surface were first raised in 1974. Researchers from the United States and Israel recorded a 12% drop (15) sunlight over 40 years at a (16) station in the southern Sinai Peninsula. Since then, others have used a variety of techniques to try to track (17) sunlight. Three years ago, for example, a (18) led by Beate Liepert at Columbia University’s Lamont-Doherty Earth Observatory gathered data from ground (19) around the world and found that solar radiation reaching the surface fell (20) 4% from 1961 to 1990.
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