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\t某百货大楼为坐南朝北的三层临街建筑，砖混框架结构，长为56m，宽为16m，层4．8m，每层建筑面积约为3000m 2 。一层为食品部、家电部；二层为金银首饰营业厅；三层为服装、针织品部。一层营业厅的东南角是家具厅，家具厅南侧是正在施工的两层库房，西侧有两排平房仓库和一排办公室。该大楼还投资了66万元进行装修。\t某日，一施工队雇用无证电焊工人甲、电焊作业时，电焊引燃家具营业部办公桌上的纸盒子，因该百货大楼采用木龙骨和贴面装修，墙壁、顶棚和楼梯间都罩上一层木壳子，营业厅又存放大量易燃商品，起火后造成立体燃烧，迅速蔓延。当地消防干警在组织力量营救遇难者的同时，采取有效措施灭火，经过近3小时的顽强战斗并将火扑灭。该起火灾共造成21人死亡、54人烧伤，烧毁商场内部所有百货、针织、五金、家电等物品，直接经济损失400余万元。\t请结合上述案例。分析并回答以下问题：\t1．该百货大楼发生火灾原因和应吸取的主要教训有哪些?\t2．该百货大楼违反消防法规及标准情况有哪些?
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【单选题】According to Thibaut, it is possible ______
A.
for children to take advantage of their parents by using a foreign language
B.
to expose children to a foreign language after they can speak English
C.
to combine language lessons with sports games
D.
for children to learn several languages at the same time
【简答题】查看系统的守护进程可以使用 命令。
【简答题】A) a nxiety B ) introduce C ) acquaint D ) acquisition E ) saddled F ) indicated G ) resent H ) reinforce I ) expressed J ) sensible K) transition L) equivalent M) regretting N) accepta...
【简答题】China is considering it a legal duty for Chinese citizens to visit their aged parents as the country struggles with the challenges created by a graying population. It is generally accepted that...
【单选题】"Family" is of course an elastic word. But when British people say that their society is based on family life, they are thinking of "family" in its narrow, peculiarly European sense of mother, father ...
A.
It is the best book on marriage.
B.
It is a handbook of marriage.
C.
It gives quite some idea of English social life in the past.
D.
It provides a lot of information of former-time wealthy families.
【单选题】下列关于混凝的描述中正确的是( )。
A.
当pH较低时，铁盐混凝剂水解产生氢氧化铁胶体，与带正电荷的胶体颗粒起电中和作用
B.
同性高分子兼有电中和和吸附架桥作用
C.
使用硫酸铝来去除浊度时，最佳的pH值在6.5～7.5之间
D.
杂质颗粒尺寸越单一越小，越有利于混凝
【简答题】完型填空。 Young people are often unhappy when they are with their parents. They say that their parents don't 1 them. They often think their parents are too strict with them, and they are never given a 2 h...
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