题目内容
(请给出正确答案)
[单选题]
绘制草图时,利用轮廓线(Profile)命令先绘制直线然后利用鼠标左键(MB1)切换成圆弧,此时将要绘制的圆弧和上一段直线的关系是:()。
A.只能切向
B.只能法向
C.只能切向或法向
D.可以任意
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A.只能切向
B.只能法向
C.只能切向或法向
D.可以任意
A.表头的内容是否齐全
B.两次仪器高测得的高差是否超限
C.高差的计算是否正确
D.草图绘制是否正确
E.两次仪器高变动差数是否符合要求
Why did FBI deem it impossible to produce a useful profile of a possible shooter?
A.Because the occasional behavior. on a checklist of warning signs cannot be proof of an adolescent's violent inclination.
B.Because not all the shooters show violent behavior. in their daily life.
C.Because the Columbine massacre in 1999 did not give us anything new or valuable.
D.Because the school shooters do not have anything in common.
A.已能清晰地掌握物体的结构特征及形状轮廓线
B.讲究画面的平衡,对称和统一
C.根本不能分辨形状、圆圈并不代表圆形性,而是代表某个具体事物的性质
D.会运用透视原理作画