更多“电力电缆的基本结构一般是由导体、（）和外护层三部分组成。”相关的问题
对于高应变检测使用的加速度计，对于钢桩，宜选择（）的量程的加速度计。
A.1000-2000m/s2
B.10000-20000m/s2
C.20000-30000m/s2
D.2000-3000m/s2
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当一国处于衰退/逆差时，利用蒙代尔模型，可以采用哪些政策搭配？（）
A.紧缩的财政政策与扩张的货币政策搭配
B.紧缩的财政政策与紧缩的货币政策搭配
C.扩张的财政政策与紧缩的货币政策搭配
D.扩张的财政政策与扩张的货币政策搭配
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教育的社会功能是教育的本体功能在社会结构中的衍生，是教育的派生功能。()
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秦艽在临床上用于治疗A、胃溃疡B、冠心病C、失眠D、风湿性关节炎和类风湿关节炎E、以上均不是
秦艽在临床上用于治疗 A、胃溃疡 B、冠心病 C、失眠 D、风湿性关节炎和类风湿关节炎 E、以上均不是
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为什么在原子吸收光谱中需要调制光源？怎样调制？
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无氧呼吸产生的能量少，对果蔬贮藏保鲜是有利的。
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根据纽曼的系统模式，最不稳定、波动最大的机体防御线是（）
A.弹性防御线
B.正常防御线
C.抵抗线
D.基本结构
E.服务对象系统
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果岭是高尔夫球场中最平整的区域。
A . 正确
B . 错误
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央行票据是中国人民银行向商业银行发行的长期债券。
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C 注册会计师负责对丙公司 20 × 8 年度财务报表进行审计。在了解内部控制时, C 注册会计师遇到下列事项,请代为做出正确的专业判断。 . 下列与现金业务有关的职责可以不分离的是
A. 现金支付的审批与执行 B. 现金保管与现金日记账的记录 C. 现金的会计记录与审计监督 D. 现金保管与现金总分类账的记录
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低碳含义中具有相对的低及绝对的低，丹麦发展低碳经济中的低碳含义包括
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下列属于长期备用医嘱的是
A．一级护理
B．可待因30mgq8hpm
C．普食
D．氧气吸入
E．青霉素80万Uimq6h
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查询语句中的WHERE子句的作用是（）
A.指定查询结果中按指定列进行升序或降序排列B.指定多个数据源表之间的连接条件和单个源表中行的筛选条件C.指定整个查询语句用到的表和视图D.指定整个查询结果表中包含的列E.指定在结果表中按哪些列进行分组，并对每一组进行计算，产生一行
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In 1915 Einstein made a trip to Gottingen to give some lectures at the invitation of the mathematical physicist David Hilbert. He was particularly eager -- too eager, it would turn【B1】-- to explain all the intricacies of relativity to him. The visit was a triumph, and he said to a friend excitedly, 'I was able to【B2】Hilbert of the general theory of relativity.' 【B3】all of Einstein's personal turmoil (焦躁) at the time, a new scientific anxiety was about to【B4】. He was struggling to find the right equations that would【B5】his new concept of gravity,【B6】that would define how objects move【B7】space and how space is curved by objects. By the end of the summer, he【B8】the mathematical approach he had been【B9】for almost three years was flawed. And now there was a【B10】pressure. Einstein discovered to his【B11】that Hilbert had taken what he had learned from Einstein's lectures and was racing to come up【B12】the correct equations first. It was an enormously complex task. Although Einstein was the better physicist, Hilbert was the better mathematician. So in October 1915 Einstein【B13】himself into a month-long frantic endeavor in【B14】he returned to an earlier mathematical strategy and wrestled with equations, proofs, corrections and updates that he【B15】to give as lectures to Berlin's Prussian Academy of Sciences on four【B16】Thursdays. His first lecture was delivered on Nov. 4, 1915, and it explained his new approach,【B17】he admitted he did not yet have the precise mathematical formulation of it. Einstein also took time off from【B18】revising his equations to engage in an awkward fandango (方丹戈双人舞) with his competitor Hilbert. Worried【B19】being scooped (抢先), he sent Hilbert a copy of his Nov. 4 lecture. 'I am【B20】to know whether you will take kindly to this new solution,' Einstein noted with a touch of defensiveness.【B1】A．upB．overC．outD．off
A.'B.C.D.【B1】A．upB．overC．out
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