纵观近年全国高考试题和各省市高考模拟试题,与“平面区域”有关的问题悄然兴起．此类问题作为客观题则小巧玲珑,韵味十足,作为主观题则在知识的交汇和综合应用上大作文章,常处于“压轴题”的地位,充当“把关题”的重要角色．这类问题极富思考性和挑战性,是考查考生数学能力和数学 Looking at the national examination questions in recent years and the simulated examination questions of provincial and municipal college entrance examinations, problems relating to the “planar area” have emerged quietly. Such questions as objective questions are small and exquisite, full of flavor, as subjective questions in the convergence of knowledge and comprehensive application of a large article, often in the “endpoint title” status, as an “important title” of the important role. This kind of question is highly reflective and challenging. It is to examine the candidate’s math ability and mathematics.