近年来,各省市中考试题都进行了改革与创新,其中有一些试题是依据新课程标准设计的,本文仅对中考题中的展开与折叠例说如下. 例1在下列图形中(每个小四边形皆为全等的正方形),可以是一个正方体表面展开图的是( ). (2003年天津市中考题) In recent years, reforms and innovations have been carried out in all provinces and cities. Among them, some of the questions are designed according to the new curriculum standards. This article only describes the unfolding and collapsing of the examination questions as follows. Example 1 In the following figures (each small The quadrilateral is a congruent square). It can be a square surface development (). (2003 Tianjin Examination)