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企业网上银行证书业务主要包括（）。
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我国制定大气卫生标准的原则中包括，除了（）。
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数据的运算
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胸部损伤后出现颈静脉怒张，奇脉，血压下降，脉压差变小，此时首先应想到（）（）
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合同买卖双方的义务
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全国人民代表大会设立了下列哪些专门委员会（）
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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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患者男，68岁。反复晕厥3次入院。半年前推车上坡时突感气短、胸闷，晕倒在地，约4min自行恢复。20d前散步时又一次类似发作，当时无抽搐及尿、粪失禁。当日晨起大便后回卧室又突然晕倒，急诊入院。既往无脑血管病史，高血压、糖尿病10年，2年前双下肢水肿，曾诊断“丹毒”。查体：神志清，Bp130/70mmHg，呼吸略促，心率84次/min，律齐，P2＞A2，无杂音。心电图：I导联RS型，电轴右偏，V1~V3导联T波倒置。
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课程就是我们所学的学科（）