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石油气体的粘度是随着温度的升高而减少的。
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关于骨折后急救固定的目的，下列哪项是错误的（）。
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Their friendship ___ nothing to him.
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再生障碍性贫血与PNH最主要鉴别点是（）
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可使咽鼓管咽口开放的肌肉是（）。
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危险度评定的核心内容是（）。
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除下列哪项外都是右心衰竭与肝硬化共同具有的体征（）
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属端铣刀的主要几何角度的是（）。
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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. “Even exercise professionals concede half a point here” (Line 3, Para. 2) means “They （）”.
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甲向乙借款5000元，将自己的一辆摩托车出质给乙，乙未经甲的同意，又将该车转质于丙，丙将该车损坏，为此引起纠纷。下列表述正确的是：（）