多项选择题

　2007年7月15日，某亚麻厂正在生产的梳麻车间、前纺车间和准备车间的联合厂房突然发生亚麻粉尘爆炸起火。一瞬间，停电停水，当时477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，金属管道输送亚麻粉尘。事故导致整个除尘系统遭受严重破坏，部分厂房倒塌，地沟盖板和原麻地下库被炸开，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35人，重伤5人，轻伤12人，直接经济损失800多万元。[2007年真题]
根据以上场景，回答下列问题
下列关于亚麻粉尘的爆炸危害和后果的说法，正确的有（　　）。

A.粉尘浓度越大，爆炸威力越大
B.粉尘分散度越小，爆炸威力越大
C.爆炸能量与粉尘活性有关
D.爆炸能量与粉尘粒度无关
E.爆炸产生的后果与厂房结构有关
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Among the pleasures in the world, the joy from reading can be onE.Happy is the man who acquires the 【C1】______ of reading when he is young. He has secured a lifelong 【C2】______ of plea sure, instruction, and 【C3】______ . So long as he has his 【C4】______ books, he need never feel lonely. He always has a pleasant 【C5】______ of leisure moments, 【C6】______ he need never feel 【C7】______ .He is the possessor of wealth more 【C8】______ than golD.Ruskin Calls books 'Kings' Treasuries'-- treasuries filled, not 【C9】______ gold and silver and precious stones, but with 【C10】______ much more valuable than these--knowledge, 【C11】______ thoughts, and high ideals. Poor indeed is the men who does not read, and empty is his lifE.【C12】______ we choose the right kind of books, reading gives the 【C13】______ kind of pleasurE.Some books we read simply for pleasure and 【C14】______ -- for example, good novels. And novels and books of imagination must have their 【C15】______ in everyone's reading. When we are tired, or the brain is weary with 【C16】______ study, it is a recreation to 【C17】______ ourselves in some absorbing story written by a 【C18】______ hanD.But to read nothing but books of fiction is like eating nothing but cakes and sweetmeats. 【C19】______ we need plain, wholesome food for the body, so we must have serious reading for the 【C20】______ . And here we can choose according to our tastE.【C1】A.customB.traditionC.habitD.convention
A.He
B.
C.
D.
【C1】
A.custom
B.tradition
C.habit
多项选择题
2007年7月15日，某亚麻厂正在生产的梳麻车间、前纺车间和准备车间的联合厂房突然发生亚麻粉尘爆炸起火。一瞬间，停电停水，当时477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，金属管道输送亚麻粉尘。事故导致整个除尘系统遭受严重破坏，部分厂房倒塌，地沟盖板和原麻地下库被炸开，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35人，重伤5人，轻伤12人，直接经济损失800多万元。[2007年真题]根据以上场景，回答下列问题预防粉尘爆炸的安全技术措施有（ ）。
A.降低粉尘浓度
B.穿防静电工作服
C.生产装置接地
D.严格执行规章制度
E.采用防爆厂房
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