同学们初步认识了立体图形和平面图形,它们是认识空间与图形的基础．中考考查《图形认识初步》的内容主要有以下几个方面．一、考查有关概念《图形认识初步》这一章概念较多,主要有图形的展开与折叠、三视图,直线、射线、线段和角、余角、补角、角的平分线等． The students first learned about solid graphics and plane graphics. They are the basis for understanding space and graphics. In the examination, the contents of “Preliminary Drawing Recognition” mainly include the following aspects. First, examine the concept “Graphical understanding preliminary” This chapter has many concepts, mainly including the unfolding and folding of the figure, the three views, the straight line, the ray, the line segment and the angle, the complementary angle, the supplementary angle, and the bisector of the angle.