[详细完整版]计算机绘图A.doc

"计算机绘图A第1次作业 " " " " " " " "（注意：若有主观题目，请按照题目，离线完成，完成后纸质上交学习中 " "心，记录成绩。在线只需提交客观题答案。) " " " " " "本次作业是本门课程本学期的第1次作业，注释如下： " " " " " "一、单项选择题(只有一个选项正确，共10道小题) " " " "1. 世界坐标系原点的位置，将 " " " " (A) 始终在绘图区域的左下角 " " " " (B) 由UCS命令设定 " " " " (C) 由LIMITS命令对绘图界限的设置来确定 " " " " (D) 由ZOOM命令设定 " " " "正确答案：C " " " "解答参考： " " " " " " " " " " " "2. 在点的坐标输入中，实现相对坐标输入的方法为 " " " " (A) 设置用户坐标系 " " " " (B) 不能使用相对坐标 " " " " (C) 直接输入坐标数据 " " " " (D) 在坐标数据前加@符号 " " " "正确答案：D " " " "解答参考： " " " " " " " " " " " "3. 在AutoCA