新课标高考最明显的变化是在题目类型上增加了选做题,就化学而言,《物质结构与性质》和《有机化学基础》是考生常选的两个模块,而《物质结构与性质》更是受到了绝大多数考生的青睐.此模块中对杂化类型的判断属于必考题型,近几年高考试题中对它的考查更是年年创新,例如:1.(2010年新课标)在碳酸二甲酯分子中,碳原子采用的杂化方式有,O—C—O的键角约. The most obvious changes in the new curriculum standard college entrance examination is to increase the number of topics in question, in terms of chemistry, “material structure and nature” and “organic chemistry” is the candidate of the two modules, and “material structure and Nature ”is favored by the overwhelming majority of candidates.This module in the hybrid type of judgments belong to the required exam type, in recent years, the examination of the college entrance examination exam is more innovative every year, for example: 1. (2010 New Course) In dimethyl carbonate molecules, the carbon atoms used hybridization, O-C-O bond angle.