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非选择题是化学高考中常出现的题型.它主要考查学生对所学知识理解的准确性,思维的完整性,推理的严密性,信息的迁移性和表述的条理性.化学高考题中非选择题的分值占到60%左右,在总分值中占有一定的份量.非选择题信息提示较多,看起来似乎不难,但要准确回答确不易,学生多感到有力无处使,造成失分较多.学生在非选择题中常见错误是:1基础知识不牢固,对有关概念、基本理论理解不透彻,不能回答出知识
Non-choice test is often the type of chemical college entrance examination questions. It mainly examines students’ understanding of the accuracy of the knowledge learned, the integrity of the thinking, rigor of reasoning, the migration of information and the formulation of the statement. The multiple-choice questions account for about 60% of the total scores, accounting for a certain portion of the total scores of non-multiple-choice questions, it seems that the information is not difficult, but to accurately answer is not easy, students feel more powerless now, Resulting in more lost points.Universal students in the non-choice questions common mistakes are: 1 basic knowledge is not solid, the concept of basic theory is not understood thoroughly, can not answer the knowledge