下列哪些信道属于上行传输信道。（）_LTE认证考试_全学科试题题库

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下列哪些信道属于上行传输信道。（）
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求助者：男性，38岁，私营企业总经理。案例介绍：一次，求助者到他儿子的学校开家长会，被老师当众批评，心烦、燥热，突然觉得透不过气来。胸闷、心慌，非常难受，认为自己得了心脏病，因此非常紧张、害怕，手脚发麻，浑身颤抖。求助者迅速地离开学校，乘出租车到医院看急诊，症状缓解，未发现明显的异常。专门到心内科住院检查，但未查出器质性病变。后来这种情况经常出现，每次可持续数十分钟，时间、场合均无规律可循，头脑清楚，能自行缓解。曾多次到医院就诊，服用过药物，但无法缓解。平时生活、工作均正常。目前，求助者害怕一个人呆在家里，不敢一个人到外地出差，怕自己突发心脏病死了，不敢到人多拥挤的地方。曾对家人表示活着真是受罪，不如死了算了。心理咨询师观察、了解到的情况：求助者的性格较内向，做事认真、谨慎，非常孝敬父母。对自己的要求很严格，不吸烟，很少喝酒。十年前曾患过胃溃疡，经治疗后缓解。对于该求助者作初步诊断的主要依据包括（）。

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Questions 26 to 30 are based on the following passage. Exercise is one of the few factors with a positive role in long-term maintenance of body weight. Unfortunately, that message has not gotten through to the average American, who would rather try switching to “light” beer and low-calorie bread than increase physical exertion. The Centers for Disease Control, for example, found that fewer than one-fourth of overweight adults who were trying to shed pounds said they were combining exercise with their diet. In rejecting exercise, some people may be discouraged too much by caloric-expenditure charts: for example, one would have to briskly walk three miles just to work off the 275 calories in one delicious Danish pastry (小甜饼). Even exercise professionals concede half a point here. “Exercise by itself is a very tough way to lose weight,” says York Onnen, program director of the President’s Council on Physical Fitness and Sports. Still, exercise’s supporting role in weight reduction is vital. A study at the Boston University Medical Center of overweight police officers and other public employees confirmed that those who dieted without exercise regained almost all their old weight, while those who worked exercise into their daily routine maintained their new weight. If you have been sedentary (极少活动的) and decide to start walking one mile a day, the added exercise could burn an extra 100 calories daily. In a year’s time, assuming no increase in food intake, you could lose ten pounds. By increasing the distance of your walks gradually and making other dietary adjustments, you may lose even more weight. Some people dislike exercise because （）

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