一、考试性质普通高等学校招生全国统一考试是由合格的高中毕业生参加的选拔性考试 .高等学校根据考生的成绩 ,按已确定的招生计划 ,德、智、体全面衡量 ,择优录取 .因此 ,高考应有较高的信度、效度 ,必要的区分度和适当的难度 .二、考试内容理科综合以学科内综合为主 .(一 )考 First, the nature of the examination The general college entrance examination national unified examination is a qualified examination of qualified high school graduates to participate in. According to the results of the candidates, according to the graduates’ enrollment plan, German, intellectual, and physical comprehensive measurement, merit selection. The college entrance examination should have a high degree of reliability, validity, necessary degree of differentiation, and appropriate difficulty. Second, the content of the examination should be based on the integration within the subject. (1) Examination