一、2007高考命题热点热学部分概念多,近年来高考对本章的命题平均每年2题,着重考查概念的理解及应用能力,难度虽然不深,但很全面,命题热点多集中在分子动理论、估算分子大小和数目、热力学第一定律、热力学第二定律、热现象的方向性、能源开发和利用.题型多为选择题,且绝大多 First, the propositions of the 2007 college entrance examination hotspots have many concepts. In recent years, the college entrance examination has averaged two questions per year for the propositions of this chapter. It focuses on the concept of understanding and application ability. Although the difficulty is not deep, it is very comprehensive. Proposition hotspots are mostly focused on molecular dynamic theory, Estimating the size and number of molecules, the first law of thermodynamics, the second law of thermodynamics, the directionality of thermal phenomena, and the development and use of energy. Questions are mostly multiple-choice questions, and most