When you work with NURBS models, you often work with sub-objects. While you are at the sub-object level, you use the usual selection techniques, such as clicking, dragging a region, or holding down Ctrl, to choose one or more sub-objects.
You can also select NURBS point, curve, and surface sub-objects by name. Turn on the , go to a NURBS sub-object level, and then press the H key. This opens the Select Sub-Objects dialog, which is a subset of the that lists only sub-objects at the current level. Choose one or more objects in the list, and then click Select. You can assign your own names to NURBS sub-objects (aside from CVs) that you want to edit frequently.