题目内容

6. If it is simply an invitation ________ an evening meal and conversation, you will probably take your leave between ten and eleven o clock.

查看答案
更多问题

7. If you have been asked to stay ______ several days, you will conform as far as possible ______ the routine of the house.

8.The same principle applies ______ old people. If they are respected in Britain, it is because they are felt to be ______ need of protection and support.

轴测投影根据投影方向与投影面的角度不同,分为正轴测和斜轴测两大类。最常用的轴测图为_____和_____。

正等测的轴间角为_____度,轴向伸缩系数为p=_____,q=_____,r=_____。

答案查题题库