[单选题]5月25日，某地六级大风，该地一企业甲醇精馏装置区域内冷凝器-我要搜题网

[单选题]政府债务收入也称公债，其特征包括（）
A.强制性
B.权威性
C.自愿性
D.无偿性

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[单选题]听觉信号，长声为（），短声为1 s，音响间隔为1 s。
A.3s
B.5s
C.10s
D.8s

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[多选题]发行人发行大额存单应当具备（）条件
A.是全国性市场利率定价自律机制成员单位
B.已制定本机构大额存单管理办法
C.建立大额存单业务管理系统
D.中国人民银行要求的其他条件

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[判断题]铁路互联网订餐属于铁路旅客运输基本服务
A.正确
B.错误

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[判断题] 在建铁路工程发生事故,国铁集团将立即参与事故调查,并对施工单位采取限制市场准入措施:死亡1人,国铁集团暂扣全国停标1次。
A.正确
B.错误

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[单选题] Scarcely _____ down when _____ a knock at the door.
A. had he sat; did he hear
B. he had sat; did he hear
C. he had sat; he heard
D. had he sat; he heard

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[多选题]下列表述正确的是( )
A.《人民警察警衔条例》只规范公安机关人民警察的警衔
B.《人民警察法》并不调整人民法院司法警察
C.人民法院司法警察实行单独的警察职务序列
D.人民法院司法警察接受所在法院院长的领导

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[单项选择]关于升汞固定液的描述错误的是（）
A. 一般用其5％～7％饱和水溶液作为固定剂
B. 单独使用组织收缩明显
C. 穿透力低，只宜固定薄片组织
D. 对蛋白质有沉淀作用
E. 对类脂和糖类有固定作用

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[判断题]10kV及以下农网工程施工时，导线选择≥120以上时必须安装双横担。单横担安装时横担应装于受电侧，分支杆、90°转角杆及终端杆应装于拉线侧。(　　)
A.正确
B.错误

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[填空题]使用SQL语句删除“订购单”表的候选索引emp：
ALTER TABLE订购单______TAG emp

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[判断题]电流互感器极性对电流速断保护没有影响。（）
A.正确
B.错误

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[判断题]航空器在保证安全的情况下实行右侧通行权。

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[填空题]The economic costs of noise are several. Airports are currently operating at less than (47) because of noise regulations which restrict their hours of operation. For instance, at Washington’s National Airport no jet traffic is allowed from 11 p.m. to 7 a.m. Other airports restrict the use of certain runway. One estimate is that noise (48) . reduce possible airport use by 20 percent.
The (49) cargo trade is especially affected by night restrictions.
In the case of airports, jet engines may be (50) to reduce their noise level, or insulation from air traffic noise may be provided by the purchase of land around airports or the insulation of buildings. One estimate is that $5.7 billion would be required to (51) all existing jet engines with noise control devices. However, (52) the current state of the art, even taking this step will not reduce noise levels at all points to (53) values. Some combination of m

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[单项选择]Many theories concerning the causes of juvenile delinquency focus either on the individual or on society as the major contributing influence. Theories (31) on the individual suggest that children engage in criminal behavior (32) they were not sufficiently penalized for previous misdeeds or that they have learned criminal behavior through (33) with others. Theories focusing on the role of society that children commit crimes in (34) to their failure to rise above their socioeconomic status (35) as a rejection of middle-class values.
Most theories of juvenile delinquency have focused on children from disadvantaged families, ignoring the fact that children from (36) homes also commit crimes. The latter may commit crimes (37) lack of adequate parental control. All theories, however, are tentative and are (38) to criticism.
Changes in the social structure may indirectly (39) juvenile crime rates. For example, changes i
A. acceptable
B. imaginable
C. identifiable
D. reasonable

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[多选题]( )等情况发生变化时，应当及时修订战备方案。
A.编制
B.人员
C.装备器材
D.形势任务

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[单项选择]把人力看作劳动力，劳动力等同于劳动者，认为人力资源是具有劳动能力的全部人口。这种表述反映的是( )。
A. 成年人口观
B. 在岗人口观
C. 人员素质观
D. 人力资源观

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[单项选择]What best describes the first English dictionary .

A. It defined easy words as well as hard ones.
B. It was nothing more than a list of difficult words.
C. It presented good sentences to show how each word was actually used in speech and in writing.
D. It was the greatest improvement in the quality of dictionaries.

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[判断题]正线发生故障、突发事故事件等造成正线行车中断，若中断时间较长后，应直接采用公交接驳。
A.正确
B.错误

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[多选题]单芯电缆接地线虚焊可能引发（）。
A.接触面氧化
B.绝缘击穿故障
C.局部温度升高
D.对局部放电无影响

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[判断题]可燃性气体、蒸气或粉尘爆炸极限的概念可以用热爆炸理论来解释。（）
A.正确
B.错误

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[单选题]对开断电缆的要求，下列说法正确的是（）。
A.开断电缆前，可选择性地与电缆图纸核对是否相符。
B.扶绝缘柄的人必须戴棉纱手套和护目镜并站在防潮垫上。
C.判断作业对象电缆是否停电，应使用专用的仪器。
D.要使用不接地的铁钎或电缆试扎装置扎入电缆后方可作业。

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[判断题]作业现场的生产条件和安全设施等应符合有关标准、规范的要求，工作人员所穿的外衣裤服只要是全棉的即可。
A.正确
B.错误

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[判断题]戊戌维新是一场资产阶级性质的改良运动。
A.正确
B.错误