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2014年全国高考新课程卷Ⅰ理综题37,是考查《物质结构与性质》模块的一道选考题,该题突出考查了学生的空间想象能力和逻辑思维能力,并对学生的计算能力和数学悟性有较高的要求。笔者主要谈谈对此题的解析及试题特点。[题目]早期发现的一种天然二十面体准晶颗粒由Al、Cu、Fe三种金属元素组成。回答下列问题:(1)准晶是一种无平移周期序,但有严格准周期位置序的独特晶体,可通过方法区分晶
2014 National College Entrance Examination Curriculum Ⅰ rationale for comprehensive management 37, is to examine the “material structure and nature of the” module of an elective exam, the question highlights the student’s spatial imagination and logical thinking ability, and students’ computing power and mathematics Perception has higher requirements. I mainly talk about the analysis of this issue and the characteristics of the questions. [Subject] Early discovery of a natural icosahedral quasicrystalline particles from Al, Cu, Fe three metal elements. Answer the following questions: (1) Quasicrystal is a non-translational periodic sequence but has a unique quasi-