38. 在UGNX中，你可以使任一层为工作层。T
39. 为了将草图对象定位倒实体的一个点上，你可以在草图中添加投影点。F 40. 为了在图形窗口同时显示不同方位的视图，可以使用视图布局功能。T 41. 基准面是构造草图的唯一平面，你必须用坐标系来构建。F
42. 当使用自底向上的装配方法完成装配后，删除零件不会对装配模型造成影响，因为零件已经在装配模型中保存了。F
43. 在两个平表面间作用对齐（Align）约束时，它们的面法向将平行并将指向相同的方向。T 44. 在UG中，可以进行全局选择（未执行命令时进行选择）的工具是选择意图。F
45. With the Customize dialog box active, you can drag commands to add them to
toolbars.T
46. The View Popup menu can be customized. T
47. Clicking middle mouse button will dismiss the active Zoom function.
48. When creating a Curve Mesh surface, do the primary and cross strings need to intersect
exactly?
49. If you are creating a dimension, you may define tolerance annotation at the time of dimension creation.T
50. You are working with a metric part. You have already created some dimensions before
realizing that the dimension units are in inches. You however wanted them to be metric. To correct this you can open the Dimension Style dialog box for that dimension and select the correct units from the Units page.T
51. If you are creating a dimension, you may define tolerance annotation at the time of dimension creation. True
万维试题库系统 第 16 页