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国内运行的航空公司，签派放行单的必须包括下列哪些信息？（）
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分子中含有碳碳双键的不饱和链烃，称为______，分子中含有碳碳叁键的不饱和链烃，称为______。
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工作分析的基本方法不包括()。
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雇员是与雇主相对的一个概念，通常可以理解为基于（）合同，为雇主提供劳动的人。
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水准测量的测站校核，一般用（）法或（）法。
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C类谐振功率放大器电路如图(a)所示，偏置VBB=0.2V，输入信号vi(t)=1.0cosωtV，回路调谐在输入信号频率上，电源电压VCC=20V。晶体管的转移特性曲线如图(b)所示，其中Von=0.7V。要求：
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为什么会出现三型蜂？
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到目前为至，中国人民银行已发行（）套流通人民币。
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As Christmas is coming, there are presents to be bought, cards to be sent, and rooms to be cleaned. Parents are ___1___ with difficult jobs of hiding presents from curious young children. If the gifts are large, this is sometimes a real ___2___. On Christmas Eve, young children find the excitement almost unbearable. They are torn between the wish to go to bed early so that Father Christmas will bring their presents quickly and the wish to stay up late so that they will not miss the fun. The wish for gifts usually proves stronger. But though children go to bed early, they often lie awake for a long time, hoping to get a short ___3___ at Father Christmas. Last Christmas, my wife and I successfully hid a few large presents in the storeroom. I ___4___ the moment when my son, Jimmy, would ask me where that new bike had come from, but ___5___ he did not see it. On Christmas Eve, it took the children hours to go to sleep. It must have been nearly ___6___ when my wife and I went quietly into their room and began filling stockings. Then I pushed in the ___7___ I bought for Jimmy and left it beside the Christmas tree. We knew we would not get much sleep that night, for the children were ___8___ to get up early. At about five o’clock the next morning, we were woken by loud sounds coming from the children’s room — they were shouting excitedly! Before I had time to get out of bed, young Jimmy came riding into the room on his new bike, and his sister, Mary, followed close behind pushing her new baby carriage. Even the baby arrived. He moved ___9___ the hands and knees into the room dragging a large balloon behind him. Suddenly it burst. That woke us up ___10___. The day had really begun with a band! ___7___内应选（）
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内控评价是董事会对内控有效性进行全面评价、形成评价结论、出具评价报告的过程。