近两年的高考理科综合试题 ,可以说是理科综合题的典范 ,其对中学的理科综合复习备考具有良好的导向作用 .本文例析了今年理科综合卷中的 4道跨学科综合题 ,以期让同学们了解理科综合题的命题特点、学科间知识交叉点及解题的思路 .例 1　种子萌发的需氧量与种子所贮藏有机物的 The comprehensive science examination questions in the college entrance examination in the past two years can be regarded as a model for comprehensive science topics, and it has a good guiding role in the comprehensive review of science for secondary schools. This article analyzes four interdisciplinary comprehensive topics in this year’s science synthesis volume, with a view to Let students understand the propositional features of the comprehensive science topics, interdisciplinary knowledge points, and ideas for solving problems. Example 1 Seed germination oxygen demand and seed storage of organic matter