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何谓骨龄?有何临床意义?
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流体流动时,若粘性力起主导作用,流体的流态为()。
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人的个性上差异主要表现在能力、气质、人格倾向性()
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钢件淬火后,为了消除内应力并获得所要求的组织和性能,将其加热到某一温度,保温一定时间,然后冷却到室温的热处理叫()
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产业分散的主要原因?
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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! ___6___内应选()
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颈深肌群包括()。
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结肠破裂()
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1999年下半年,我国境内首家合资旅行社——云南力天旅游有限公司诞生,是由我国与()合资建立的旅行社。
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勒克司马克国际有限公司在1991年3月从IBM公司购买了办公设备和装备线,他们同意在1996年放弃IBM的名称。当勒克司马克公司不再使用著名的IBM名称时,他们认识到需要确立新的品牌形象,他们实施勒四个阶段活动计划来确立勒勒司马克产品的名称。