在七年级上册中,我们就学习了物体三视图的画法,例如:“给出一个由几个立方块搭成的几何体的左视图獉獉獉,并在左视图上标明该位置的小立方块的个数,让我们画它的主视图与俯视图.”它要求学生有较强的空间想象能力,但我们知道,就七年级的学生来说,还不具备较强的想象能力,那么如何解决这 In the seventh grade, we learned the three-object method of drawing objects, for example: “gives a left-side view of a geometry made up of several cubes, and shows the location on the left Let us draw the main view and the top view of the cube. ”" It requires students to have strong spatial imagination, but we know that in the seventh grade students do not yet have a strong imagination, So how to solve this