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气相色谱法按色谱原理不同可以分为()。
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小儿禁用的镇静止惊药物是()
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下列作业人员需经过专门的安全作业培训,并取得特种作业操作资格证书后,方可上岗作业的有()。
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温病热蒸头胀,呕逆神迷,小便不通,渴不多饮,舌苔白腻,治宜()
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办公建筑的主要节能潜力在()
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按风险责任划分,持卡人由于以下原因造成损失的,我行有权拒付,由此造成的损失由持卡人自行承担有()。
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过多进食富含胆固醇的动物内脏、蛋黄可引起高血脂症与动脉粥样硬化。
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()主要应对用户由于事故、灾害、生产计划的突然变化等因素所产生的突发性需求;也应对一般消费者经常出现的突发性需求。
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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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业秘书人员素质的基本要求。