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维生素C见光变色所以要避光保存。
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在SF6电气设备上工作的人员，应经专门的安全技术知识培训，配置和使用必要的安全防护用具。
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患者，男性，58岁，隐裂有牙髓症状，牙冠短，咬合紧，根管治疗后，适宜的修复是（）
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由托运人确定重量并组织装车的货物，装载重量超过货车规定的（），除补收运费外，并按规定核收违约金。
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There are three kinds of goals: short-term,medium-range and long-term goals. Short-range goals are those that usually deal with current activities,which we can apply on a daily basis.Such goals can be achieved in a week or less,or two weeks,or possible months.It should be remembered that just as a building is no stronger than its foundation ,out long-term goals cannot amount to very munch without the achievement of solid short-term goals.Upon completing our short-term goals,we should date the occasion and then add new short-term goals that will build on those that have been completed. The intermediate goals bukld on the foundation of the short-range goals.They might deal with just one term of school or the entire school year,or they could even extend for several years.Any time you move a step at a time,you should never allow yourself to become discouraged or overwhelmed. As you complete each step,you will enforce the belief in your ability to grow adn succeed.And as your list of completion dates grow,your motivation and desire will increase. Long-range goals may be related to our dreams of the future. They might cover five years or more. Life is not a static thing.We should never allow a long-term goal to limit us or our course of action. When we complete each step of our goals ,（）.
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风温在1000℃，若风温（-）100℃，会影响焦比（）%。
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触电事故多发期为（）
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当消费者的真实收入上升时，他将（）。
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缺水病人的观察内容有（）
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正常情况下，外周血中Hb主要为（）