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当前学科：电气工程师供配电
题目：
单选题
使用临时拉线时，一个锚桩上的临时拉线不得超过（）。
A
一根
B
两根
C
三根
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男，54岁，超声发现膀胱内有一高回声肿块，呈菜花样，有一蒂与膀胱壁相连。该患者最可能的诊断是（）
Learn from Mistakes You can only learn from a mistake after you （1） you’ve made it. As soon as you start blaming other people (or the universe itself) you distance yourself （2）any possible lesson. But if you courageously stand up and honestly say “This is my mistake and I am responsible” the possibilities for learning will move towards you. Admission of a mistake, even if only privately to yourself, makes learning （3）by moving the focus away from blame assignment and towards understanding. This advice （4）counter to the cultural assumptions we have about mistakes and failure, namely that they are （5） things. We’re taught in school, in our families, or at work to feel guilty about failure and to do whatever we can to （6）mistakes. This sense of shame explains why many people give up on their goals: they’re not （7） for the mistakes and failures What’s missing in many people’s beliefs about success is the fact that the more （8）the goal, the more frequent and difficult setbacks will be. The larger your ambitions, the more dependent you will be on your ability to overcome and learn from your mistakes. But for many reasons admitting mistakes is difficult. An implied value in many cultures is that our work represents us: if you fail a test, then you are a （9）. If you make a mistake then you are a mistake. Learning from mistakes requires three things: putting yourself in situations where you can make interesting mistakes; having the self-confidence to admit to them; being （10）about making changes. （1）内应选（） （2）内应选（） （3）内应选（） （4）内应选（） （5）内应选（） （6）内应选（） （7）内应选（） （8）内应选（） （9）内应选（） （10）内应选（）
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简述小儿营养不良的营养原则？