According to Para.9, what's the result of Cliff Young?
查看答案
Cliff Young ____1_____ the Australian marathon which is one of _____2_____ races in the world in 1983. People had strange _____3_____ because of Cliff's _____4_____ and ____5_____, but Cliff had no ____6____ of stopping and finally won it.
已知点M的坐标(10.20,10),点N的坐标(10,20,0),则以下描述M、N两点相对位置关系的说法哪一种是正确的?( )
A. 点M位于点N正下方
B. 点M位于点N正左方
C. 点M位于点N正后方
D. 点M位于点N正上方
已知点A坐标为C(28,15,10),则点A到H面的距离为()
A. 28mm
B. 15mm
C. 10mm
D. 0mm
1、如果点在直线上,则点的各投影必在该直线的同面投影上,并将直线的各个投影分割成和空间相同的比例
A. 对
B. 错