【单选题】
"22.作业高度在( )m时，称为三级高处作业___
A. 10以上至25
B. 11以上至30
C. 15以上至30
D. 11以上至25
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答案
C
解析
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【单选题】
"26.在平滑面上使用的梯子，应采取端部套、绑防滑胶皮等措施。直梯应放置稳定，与地面夹角以（ ）为宜___
A. 30°～40°
B. 40°～50°
C. 50°～60°
D. 60°～70°
【单选题】
"30.管线打开前清理其中物料时，清理合格时系统温度应符合以下要求___
A. 介于-10℃～60℃之间
B. 介于-5℃～60℃之间
C. 介于-5℃～50℃之间
D. 介于-10℃～50℃之间
【单选题】
"40.脚手架立杆垫板或底座底面标高宜高于自然地坪（ ）___
A. 0mm～50mm
B. 50mm～100mm
C. 100mm～150mm
D. 150mm～200mm
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"41. 搭设高度低于 24m的脚手架，当搭设高度达到（ ）时应停止搭设，由脚手架检查员按搭设方案的要求进行检查确认，合格后方可继续搭设___
A. 2m
B. 4m
C. 6m
D. 8m
【单选题】
"46.受限空间内外的氧浓度应一致。若不一致，在授权进入受限空间之前，应确定偏差的原因，氧浓度应保持在（ ）___
A. 19.5%～23.5%
B. 18.5%～22.5%
C. 19.2%～23.4%
D. 18.2%～23.5%
【单选题】
"47.不论是否有焊接、敲击等，受限空间内易燃易爆气体或液体挥发物的浓度应满足当爆炸下限≥4%时，浓度（ ）___
A. ＜0.8% (体积)
B. ＜1.0% (体积)
C. ＞1.5% (体积)
D. ＜0.5% (体积)
【单选题】
"48.不论是否有焊接、敲击等，受限空间内易燃易爆气体或液体挥发物的浓度应满足当爆炸下限＜4%时，浓度（ ）___
A. ＜0.2% (体积)
B. ＜0.8% (体积)
C. ＞0.4% (体积)
D. ＞1.2% (体积)
【单选题】
"51.当受限空间原来盛装爆炸性液体、气体等介质的，应使用防爆电筒或电压不大于（ ）的防爆安全行灯，行灯变压器不应放在容器内或容器上___
A. 12V
B. 24V
C. 36V
D. 48V
【单选题】
"55.管线打开前清理其中物料时，清理合格时系统温度应符合以下要求___
A. 介于-10℃～60℃之间
B. 介于-5℃～60℃之间
C. 介于-5℃～50℃之间
D. 介于-10℃～50℃之间
【单选题】
"59.“电工安装、 巡检、维修、拆除工作记录”可指定电工代管，（）由电气专工及以上人员审核认可，并应在临时用电工程拆除后统一归档。___
A. 每日
B. 每2日
C. 每周
D. 每2周
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Which of the following is NOT true? ___
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What kind of things has its own reason for existing? ___
A. Questioning
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Who are so full of doubts? ___
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甲（男）的外祖母乙是丙（女）的父亲丁的胞姊，因此___
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A. 虐待罪
B. 遗弃罪
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甲男与乙女通过网聊恋爱，后乙提出分手遭甲威胁，乙无奈遂于甲办理了结婚登记。婚后甲得知，乙婚前就患有医学上不应当结婚的疾病且久治不愈，于是甲向法院起诉撤销该婚姻，下列说法正确的是___
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甲男与乙女系出自同一外祖父母的表兄妹，后来乙女被他人收养。根据我国婚姻法的规定，他们___
A. 可以结婚
B. 如果双方不生育子女可以结婚
C. 不能结婚
D. 以上均不正确
【单选题】
某甲与某乙已登记结婚，但未同居，也未举行婚礼。之后某甲后悔与某乙结婚，进行下列（ ）行为后，婚姻关系才能解除。___
A. 调解
B. 宣布婚姻无效
C. 离婚
D. 撤销结婚登记
【单选题】
甲乙夫妻经协商同意离婚，甲因出差委托丙去离婚登记机关代为办理离婚登记手续，依我国法律，丙___
A. 可以代理
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D. 不能代理
【单选题】
甲乙结婚后购得房屋一套，仅以甲的名字进行了登记。后甲乙感情不和，甲擅自将房屋以时价出售给不知情的丙，并办理了房屋所有权变更登记手续，下列正确的是___
A. 买卖合同有效，房屋所有权未转移
B. 买卖合同无效，房屋所有权已转移
C. 买卖合同有效，房屋所有权已转移
D. 买卖合同无效，房屋所有权未转移
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王某以个人名义向张某独资设立的飞跃百货有限公司借款10万元，借款期限1年。不久，王某与李某登记结婚，将上述借款全部用于婚房的装修。婚后半年，王某与李某协议离婚，未对债务的偿还作出约定。下列哪一选项是正确的___
A. 由张某向王某请求偿还
B. 由张某向王某和李某请求偿还
C. 飞跃公司只能向王某请求偿还
D. 由飞跃公司向王某和李某请求偿还
【单选题】
下列关于收养的表述错误的是___
A. 一般收养人只能收养一名子女
B. 无配偶的男性收养女性，收养人与被收养人年龄应当相差40岁以上
C. 有配偶者收养子女，须夫妻共同收养
D. 收养三代以内同辈旁系血亲的子女，仍接受“被收养人须不满14周岁的”限制。
【单选题】
吴某（女）16岁，父母去世后无其他近亲，吴某的舅舅孙某（50岁，离异，有一个19岁的儿子）提出愿将吴某收养。孙某咨询律师收养是否合法，律师的下列哪一项答复是正确的？___
A. 吴某已满16岁，不能再被收养
B. 孙某与吴某年龄相差未超过40岁，不能收养吴某
C. 孙某已有子女，不能收养吴某
D. 孙某可以收养吴某
