【单选题】Let us have a rest, _________? A. will you B. won ’ t you C. shall we D. shan ’ t we A. will you B. shall we C. don ’ t you D. do you
【单选题】常见的剖视图有全剖视图、半剖视图和()剖视图。
【单选题】Let's discuss it after the meeting, ________? [ ]
【单选题】常见的剖视图有全剖视图、半剖视图和( )剖视图。
【判断题】一个平面只要有一个投影积聚为一条平行于投影轴的直线,那么该平面就平行于其他投影面,并且反映实形。( )
【单选题】咱们在读图时应该注意到:在三面投影体系中,一条直线只要有一个投影积聚为( ),它必然是一条投影面垂直线,并( )积聚投影所在的投影面。
【单选题】—You won't stay up late torught,will you? —_____ [ ]
【单选题】在三面投影体系中,一条直线只要有一个投影积聚为( ),它必然是一条投影面垂直线,并( )积聚投影所在的投影面。
【单选题】— Why don't you ask him for help? You be good friends. — We have disagreements and we haven't talked to each other for a long time. [ ]
【单选题】常见的剖视图有全剖视图、半剖视图和( )。