近几年中考试题的走向之一是贯彻“学与致用”的思想 ,在题中创设新的情境 ,注意理论联系实际和能力的考查。化学知识向生产、应用、社会、高科技等方面伸展 ,构成以“高起点、低落点”为特征的信息迁移型试题。主要体现在以下三个方面 One of the trends in the mid-term examination questions in recent years is the implementation of the idea of ​​“study and apply”, creating new situations in the subject, and paying attention to the examination of the theory in relation to reality and ability. Chemical knowledge extends to production, applications, society, and high technology, and constitutes an information transfer type test that features “high starting point and low falling point.” Mainly reflected in the following three aspects