题目内容
假设你暑假参加了你所在社区组织的义工（volunteer）活动。请给你的美国朋友Tom写一封英文电子邮件，与他分享你的感想，内容包括：
1）你做了什么义工工作
2）你认为做义工的意义是什么
请以Li Ke署名。
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党的十一届三中全会以后，公安工作群众路线逐步纳入()轨道。
公安机关要协调各种社会关系，其中最基本的关系是公安机关与()的关系。
Don’t Be Afraid of Making Mistakes
Lost of people don t dare to make mistakes (mistake). They fear thatthey will be ridiculed or (41)(blame) by others. They fear that they willlose their money and belongings or be under a lot of stress. But risks are(42) (actual) unavoidable and they do pave the way towards success. Have you ever (43) (hear) of someone who achieves success withoutmaking any mistakes before？
So it is (44)(nature) that making mistakes in your effort to reach yourdreams is (45 )(consider) a must, and you shouldn ’t worry about that asyou may get a lot of (46 )(advantage) out of your mistakes. By makingmistakes you then can distinguish between the correct and the (47 )(correct) portions of what you did. Anthony D ’Angelo said: “Inorder to succeed you must fail, so that you know what to do the nexttime.”And Robert Louis Stevenson even (48 )(go) to the extreme as tosay: “Our business in life is not to succeed, but to continue to fail ingood (49 ) (spirit). ” You needn&39;t worry about anything as long as you keep on goingby(50) (wise) learning from your mistakes and trying even harder.
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请帮忙给出每个问题的正确答案和分析，谢谢！
已成为科学决策理论中的一项基本原则。
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