1992年至94年全国高考物理题中,多项选择题均为6小题,其中以可能或不可能为选项的试题占2至3题.这类题型,涉及知识面广,灵活而又含蓄,要求有较强的分辨判断能力.考生反映难度大,易漏选、错选,失分率较大.下面谈谈这类选择题的特征及解题技巧. From 1992 to 1994, the multiple-choice questions in the national college entrance examination physics question consisted of 6 questions, of which 2 to 3 questions were taken as questions that may or may not be optional. Such question types involve a wide range of knowledge, flexibility, and Implicit, requires a strong ability to distinguish between judgments. Candidates reflect the difficulty is difficult, easy to miss the election, the wrong election, the greater the rate of loss. Here to talk about the characteristics of this type of multiple-choice questions and problem-solving skills.