不定项选择题是全国高考物理命题中的基本命题形式,自1998年开始,全国高考物理命题,取消了单项选择题,其分数分配到不定项选择题,使不定项选择题的分数增加到60分(编者注:根据1999年《考试说明》1999年高考物理中选择题改为12题共48分).不定 The indefinite item multiple-choice question is the basic proposition form in the national college entrance examination physics propositions. Since 1998, the national college entrance examination physics propositions have eliminated single-choice questions and their scores have been assigned to indefinite item multiple-choice questions, increasing the score of indefinite item multiple-choice questions to 60. Points (Editor’s Note: According to the “Exam Description” in 1999 1999, the multiple-choice question in the college entrance examination physics was changed to 12 questions with a total of 48 points.)