According to the passage, Fabian s theory makes use of which of the following principles？
A. Gas emanating from an explosion will be hotter the more distant it is from the origin.
B. The wavelength of radiation emitted by a gas as it cools remains constant.
C. If pressure remains constant, the volume of a gas will decrease as it is cooled.
D. The volume of a gas will increase as the pressure increases.
E. As gas cools, its density decreases.
规范，是指人们在特定环境下被要求如何行动、如何思维、如何体验的期望，是一种相对同定的行为表现。根据以上的定义，下面行为体现了规范的是()。
A. 一个从小生活在海边的人到草原工作，慢慢适应了那里的生活
B. 律师在法庭上表现镇定、稳重、客观、富于正义感
C. 小郑身着背心和短裤，脚上穿着拖鞋参加好朋友的婚礼
D. 为了使大家玩得更开心，我们制定了新的游戏规则
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