更多“下列哪一项是进入一个垄断行业的壁垒（）”相关的问题
税务机关应当为纳税人、扣缴义务人的( )保密。
A.骗税行为
B．个人隐私
C．欠税情况
D．税收违法事实
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A . 欧文B . 韦伯C . 泰罗D . 西蒙
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《国家重点生态功能保护区规划纲要》提出，重点生态功能保护区可以保护和恢复生态功能应遵循的原则包括（）。
A.先急后缓、突出重点
B.保护优先、积极治理
C.因地制宣、因害设防
D.科学发展观
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要与客户建立金卡客户、白金客户（）等三层维护机制。
A.目标客户
B.存款客户
C.全部客户
D.钻石客户
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Long bus rides are like television shows. They have a beginning, a middle, and an end with commercials thrown in every three or four minutes. The commercials are unavoidable. They happen whether you want them or not. Every couple of minutes a billboard glides by outside the bus window. "Buy Super Clean Toothpaste." "Drink Good Wet Root Beer." "Fill up with Pacific Gas." Only if you sleep, which is equal to turning the television set off, are you spared the unending cry of "You Need It! Buy It Now!" The beginning of the ride is comfortable and somewhat exciting, even if you’ve traveled that way before. Usually some things have changed new houses, new buildings, sometimes even a new road. The bus driver has a style of driving and it’s fun to try tofigure it out the first hour or so. If the driver is particularly reckless or daring, the ride can be as thrilling as a suspense story. Will the driver pass the truck in time Will the driver move into the right or the left hand lane After a while, of course, the excitement dies down. Sleeping for a while helps pass the middle hours of the ride. Food always makes bus rides more interesting. But you’ve got to be careful of what kind of food you eat. Too much salty food can make you very thirsty between stops. The end of the ride is somewhat like the beginning. You know it will soon be over and there’s a kind of expectation and excitement in that. The seat of course, has become harder as the hours have passed. By now you’ve sat with your legs crossed, with your hands in your lap, with your hands on the arm rests even with your hands crossed behind your head. The end comes just at no more ways to sit.
A．excitingB．comfortableC．tiringD．boring
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钻石业者经常在广告中把钻石和婚礼或求婚连结在一起，这是利用哪种文化行为？（）
A.仪式
B.符号
C.故事
D.价值观
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在一份热站、温站或冷站协议中，协议条款应包含以下哪一项需考虑的事项（）
A.具体的保证设施
B.订户的总数
C.同时允许使用设施的订户数量
D.涉及的其他用户
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《煤矿瓦斯抽采基本指标》对采掘工作面防治突出措施超前钻孔的控制范围怎样规定？
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下列各项中，对审计证据决策不产生重要影响的因素是( )。
A.风险 B.完整性 C.成本效益 D.重要性
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当混凝土拌合物流动性偏小时，调整时应增加（）。
A.水泥 B.水 C.水泥和水 D.砂和石子
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柱形磨鞋下钻速度应在（）内。
A.1～2m／min
B.2～3m／min
C.4～5m／min
D.1～3m／min
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A . 传感器实际的输出量与输人量关系曲线偏离拟合直线的程度叫做传感器的线性
B . 灵敏度(S)是指传感器在任何情况下输出变化量与输入变化量的比值
C . 分辨率表征传感器对于被测量微小变化的感知能力D . 漂移是指在输入量不变的情况下，传感器输出量随着时间变化
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设立期货专门结算机构应当经（）批准。
A．期货交易所
B．国务院期货监督管理机构
C．期货业协会
D．国家工商局
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带有延迟器的报警阀所附水力警铃在喷头爆破、末端试水装置或报警阀处试水阀放水试验后（）s内发出不小于70dB的报警声。
A.小于5S B.小15s C.大于90s D.5—90s
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