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题目：
未知类型
A.麻醉药品
B.终止妊娠的药品
C.医疗用毒性药品
D.贵重药品
E.自费药品
答案：
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影响我国的冷空气活动划分为（）、（）、（）和（）四类。
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蛋清起泡的原理，主要是利用蛋清中所含的类卵黏蛋白和（），经高速抽打后具有较强的发泡性能。
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（）的基本思想是按照企业经营目标制定生产计划，围绕物料换组织制造资源，按需要时间进行生产。
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儿童心理发展中出现“危机”是由于()。
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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! ___3___内应选（）
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道路建筑限界
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简述畜牧场生产工艺设计的基本原则？
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输变电设备检修类作业指导书中包括的试验项目有（）。
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企业经营活动要考虑的因素有()
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哪一种情况下可发生血钾浓度降低（）