一、考点解读及专题剖析化学课程标准要求学生能初步学会运用观察、实验等方法获取信息,能用文字、图表和化学语言表述有关的信息,初步学会运用比较、分类、归纳、概括等方法对获取的信息进行加工.化工流程题正体现了这个要求.这类题是近年 First, the interpretation of the test center and thematic analysis Chemical curriculum standards require students to learn to use observation, experiment and other methods to obtain information, text, graphics and chemical language can be used to describe the relevant information, preliminary learn to use comparison, classification, induction, summary and other methods Access to information processing .Chemical process problems embody this requirement .This type of question is in recent years