“3+ X”高考中理科综合能力测试多以现实生活中的有关理论问题和实际问题立意命题 ,更加真实和全面地模拟现实 .这就要求考生在备考中应关注当今社会的焦点、热点问题 ,密切联系实际 ,综合运用所学的基础知识解决现实生活中的实际问题 ,以达到学以致用的目的 .下面对以美国“9 The “3+X” college entrance examination in science comprehensive ability tests are based on theoretical issues and practical problems in real life, and they simulate realities more realistically and comprehensively. This requires candidates to pay attention to the focus and hot issues of today’s society in preparation for examination. , Closely related to reality, comprehensively use the basic knowledge learned to solve practical problems in real life in order to achieve the purpose of learning to apply.