综合题是指涉及知识面较宽，知识综合性强，有一定难度，解题过程较为复杂的一类试题．综合题主要考查学生综合运用知识解题的能力，在中考试题中，它主要体现选拔功能，让成绩好，能力强的学生脱颖而出，便于选拔．综合题按所涉及的知识体系来讲可分为单科综合题（代数综合题 Comprehensive question refers to a wide range of knowledge, comprehensive knowledge, there is a certain degree of difficulty, the problem-solving process is more complex class of questions. The comprehensive exam mainly examines the students' abilities to comprehensively use knowledge to solve problems. In the middle school exam questions, it mainly reflects the selection function, which enables students with good grades and abilities to stand out and be easy to select. Comprehensive questions according to the knowledge system involved can be divided into single subjects integrated questions (algebra comprehensive questions