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28. Code: My uncle holds thick floating (random code).2366Deliberate practice does not deny the importance of situation, but in some best sellers, the mainstream methods that have been confirmed by learning science are placed in a humble corner. Tacit knowledge, which is closely related to learning, is ignored. A large number of studies in learning science show that the best way for adults to learn is not to practice alone, but to learn in situations. Effective learning is to enter relevant situations and find one's own "learning community". At the beginning, learners turn around important members and do some peripheral work. With the growth of skills, they enter the core of the learning community circle, gradually do more important work and eventually become experts.As shown in FIGS. 1-3, a low temperature stop valve comprises a valve body 1 and a valve cover 2, wherein a valve stem 3 is arranged in the valve body 1, a valve disc 4 is arranged at one end of the valve stem 3, an adjusting handwheel 5 is arranged at the other end of the valve stem 3, a guide sleeve 6 is arranged at the lower part of the valve disc 4, the guide sleeve 6 is fixed by a connecting piece and a spring pad 8, and a valve seat 7 is arranged between the valve disc 4 and the guide sleeve 6.　桃乐丝的丈夫是个脾气十分古怪的男人，不仅如此，他还常年因为身体不好而卧病在床，饮食起居都要桃乐丝来照料。除此之外，桃乐丝的婆婆亦是个难缠的老太太，性格软弱的桃乐丝处处受他们的控制和指挥，终日生活在劳累和抑郁之中。一次偶然中，桃乐丝结识了丈夫的朋友劳伦特，这个温柔而又憨厚的男人慰藉了桃乐丝饱受伤害的内心。随着时间的推移，两人渐渐对彼此产生了真挚的感情。不忍看到桃乐丝继续受苦，劳伦特提出了两人私奔的请求。然而这个计划很快就被桃乐丝的丈夫发现了，桃乐丝遭到了无情的软禁。玉米觉得很落寞。Introduction: Random selection of a pronunciation from "hi" and "hello" languages.