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交叉杆秤体裂纹时应报废。
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下列说法正确的是（）
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锅炉尾部受热面积灰着火的条件是：（）.
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试述郎格罕斯细胞增生症的分类和病理变化。
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与中小跨度的桥梁相比，风荷载对大跨度斜拉桥和悬索桥的影响更为显著的原因是（）
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只有符合国家药品标准的合格药品，才能保证人民用药的安全有效，体现了药品的（）
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药材三七加工时剪下的根茎和支根晒干后，其商品规格名称分别是（）
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列车在轨道上运行时，列车对轨道不会产生（）。
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超声用于骨折的主要目的是（）
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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. Our long-term goals mean a lot（）. New short-term goals are bulid upon（）. When we complete each step of our goals ,（）. Once our goals are drawn up,（）. It is implied but not stated in the passage that （）.