STS试题已成为中考热点,所占分值比例越来越高,尤其是物理与科学技术应用、科学技术设计、新材料研发、环保与节能以及科学素养等,都是考查重点。解决这类试题的有效方法是,挖掘试题中的隐蔽条件,将所学知识与试题中所提供的信息进行综合比较、分析、判断、推理,从而得出正确结论。下面以2009年各地中考试题为例作一阐述。 STS exam has become a hot spot in the exam, the share of higher and higher scores, especially in physics and science and technology applications, science and technology design, research and development of new materials, environmental protection and energy saving and scientific literacy, are examining the focus. An effective way to solve such questions is to find out the hidden conditions in the test questions, to make a comprehensive comparison, analysis, judgment and reasoning of the information provided in the test questions with the knowledge provided, so as to draw the correct conclusions. Below in 2009 around the examination questions as an example to elaborate.