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1999年3月，周某在某电器商店购买了一台180升的电冰箱，价格为2200元。使用2个月后，电冰箱出现不停机现象，经特约维修部修理后继续使用，1个月后，电冰箱因挪动了一下地方又出现不制冷的情况。特约维修部的技术人员经过仔细检查后，认为该电冰箱存在质量缺陷，无法修复。周某找到该电器商店要求退货，商店负责人要周某直接与生产厂家联系，本店无法退货。周某遂写信给生产厂家某电冰箱厂。2个月后，信被退回，信封上写道：“该厂撤消，原信退回。”周某又去找该电器商店。此时，该商店已与另一家商店合并，更名为宏远商店，经理改为赵某，仍经营家用电器。周某要求宏远商店承担责任，赵某以商店合并、更名和经理易人为由拒绝承担义务。 问： 周某可以通过哪些渠道维护自身合法权益？
病历摘要：患者女，52岁。口干一年，眼干十余年。近一年口干，咽干，腮腺未肿大，膝关节、腕关节疼痛。曾服用“肌苷”、“维生素”、“中药”等。绝经已8年，易患感冒，睡眠有时不安。检查：口腔内似有唾液，舌面红而干，口角有炎症，多数牙齿龋坏，腮腺未见肿大。膝关节、腕关节外观未见异常。 提问：本病例应当如何治疗？（）
第二篇 Effects of Exercise on Elderly Diabetics(糖尿病人)Most older people with so-called type II diabetes(糖尿病) could stop taking insulin(胰岛素) if they would do brisk exercise for 30 minutes just there times a week , according to new medical research results reported in a Copenhagen newspaper, Results from tests conducted on diabetics at the Copenhagen central hospital Rigshospitalet’s Center for Muscle Research showed that physical exercise can boost the body’s ability to make use of insulin by 30 per cent. This is equal to the effect most elderly diabetics get from their insulin medication(药物治疗) today.Researchers had a group of non-diabetic men and a group of men with type II diabetes, all more than 60 years of age, exercise on bicycles six times a week for three months. After the three months the doctors measured how much sugar the test subjects’ muscles could make use of as a measure for how well their insulin worked.Associate Professor Dr Flemming Dela of the Muscle Research Center said the tests demonstrated that the exercising diabetics had made as good use of insulin as the healthy non-diabetic persons. “This means that the insulin works just as well for both group. Physical exercise cannot cure people of diabetes, but it can eliminate almost all their symptoms. At the same time it can put off the point at which they have to begin taking insulin,” Dela said.Insulin is a hormone produced by the pancreas(胰腺) , controlling sugar in the body and is used against diabetes.Dela said that to achieve the desired effect diabetics need only exercise to the point where they begin to sweat, but that the activity has to be maintained since it wears off after five days without sufficient exercise.Most diabetics realize that they have to watch their diet while remaining unaware of the importance of exercise, Dela added. The exercise that the researchers tried on their test subjects was （）
Passage Two Questions 30 to 32 are based on the passage you have just heard. What makes the newly invented alarm clock so unique?（）
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