能源,21世纪出现在媒体上频率最高的词汇.随着中国社会经济的快速发展,中国对于能源的需求量大幅提高,中国已成为世界上能源进口的主要国家之一.面临严峻的能源形势,党中央国务院审时度势,提出了创建“节约型社会”的号召.因此,在现今的物理中考试题中,出现了很多节能型题型,我 Energy, the word with the highest frequency in the media in the 21st century. With the rapid development of China’s economy and society, China’s demand for energy has increased dramatically. China has become one of the major energy importers in the world. It faces a severe energy situation. The Central Committee of the CPC Central Committee reviewed the situation and put forward a call for the creation of a “saving society.” Therefore, in today’s physics examination questions, there have been many energy-saving questions.