2001年2月19日某建筑施工队在某城市—街道旁的一个旅馆工地拆除钢管脚手架。钢管紧靠建筑物，临街面架设有10kV的高压线，离建筑物只有2m。由于街道狭窄，暂无法解决距离过近的问题。上午下过雨。安全员向施工工人讲过操作方式，要求立杆不要往上拉，应该向下放。
下午上班后，在工地二楼屋面“女儿墙”内继续工作的泥工马某和普工刘某在屋顶上往上拉已拆除的一根钢管脚手架立杆。向上拉开一段距离后，马、刘以墙棱为支点，将管子压成斜向，欲将管子斜拉后置于屋顶上。由于斜度过大，钢管临街一端触及高压线，当时墙上比较湿，管与墙棱交点处发出火花，将靠墙的管子烧弯25°。马某的胸口靠近管子烧弯处，身上穿着化纤衣服，当即燃烧起来，人体被烧伤。刘某手触管子，手指也被烧伤。
楼下工友及时跑上楼将火扑火，将受害者送至医院。马某烧伤面积达50％，由于呼吸循环衰竭，抢救无效，于2月20日晚12时死于医院。刘某烧伤面积达15％，三根手指残疾。
经查，马某未接受足够的业务培训和安全培训，刘某从农村来到施工队仅仅4天。请判断下列事故原因分析的对错。
| Many United States companies have,
unfortunately, made the search for legal protection from import competition into
a major line of work. Since 1980 the United States International Trade
Commission (ITC) has received about 280 complaints alleging damage from imports
that benefit from subsidence by foreign governments. Another 340 charge that
foreign companies "dumped" their products in the United States at “less than
fair value”. Even when no unfair practices are all alleged, the simple claim
that an industry has been injured by imports is sufficient grounds to seek
relief. Contrary to the general impression, this quest for import relief has hurt more companies than it has helped. As corporations begin to function globally, they develop an intricate Web of marketing, production, and research relationships. The complexity o A. A foreign competitor has received a subsidy from a foreign government. B. A foreign competitor has substantially increased the volume of products shipped to the United States. C. A foreign competitor is selling products in the United States at less than fair value. D. The company requesting import relief has been injured by the sale of imports in the United States. [单选题] 美国石油学会APIⅢ类基础油的饱和烃含量为( )%。
A.≤80 B.≥85 C.≥90 D.≥95 [单选题]城市的人居环境和城市发展要坚持发展和保护双赢、坚持当前发展和长远规划相结合：离开经济搞环境是____，而脱离环境搞发展则是____。
依次填入画横线部分最恰当的一项是（ ）。
A.升山采珠 饮鸩止渴 B.南辕北辙 从长计议 C.刻舟求剑 杀鸡取卵 D.缘木求鱼 竭泽而渔 [单项选择]男性，68岁，右跖趾关节处红、肿、疼痛2个月。体格检查：局部红、肿、皮温升高，无足癣，轻度躖外翻。X线片示第1跖骨头骨质疏松，局部有骨缺损性囊性改变。
该患者的诊断应首先考虑 A. 躖外翻伴躖囊炎 B. 躖趾跖趾关节处急性炎症 C. 痛风性关节炎 D. 松毛虫性关节炎 E. 类风湿关节炎 [单项选择]The (75) describes，in detail，the project's deliverables and the work required to create those deliverables．
A. product specification B. project requirement C. project charter D. project scope statement [单选题]中国第一个青年团早期组织 社会主义青年团是于1920年8月诞生的。( )
A. 北京 B. 上海 C. 广州 D. 天津 [多项选择]关于恶性骨肿瘤描述正确的有（）
A. 生长快，常侵及邻近组织 B. 可发生肺部或骨转移 C. 骨皮质或髓腔有破坏缺损区 D. 与正常组织无明显界限，边界不清 E. 骨膜常受累，呈葱皮状、针样、放射状、三角形 [单选题]急性感染性心内膜炎的特点是( )
A.感染迁移多见 B.Janeways结少见 C.杵状指多见 D.主要累及二尖瓣 [单选题]根据CT值的定义公式,空气的CT值为:
A.-700HU B.-800HU C.-900HU D. +1000HU E. -l000HU [填空题]表间永久性联系不能控制不同工作区中【 】的联动，要实现联动功能，需要建立表之间的【 】。
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