题目内容

If the cutting plane is parallel with the base of a cone , the intersection line would be a

A. circle
B. triangle
C. rectangle
D. ellipse

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The drawing scale is 1:5 and the dimension is 2000,so the true size is

A. 400
B. 10000
C. 2000
D. 3000

The code of Chinese National standard is

A. ISO
B. GB
C. Standard
D. ANSI

The size of A4 sheet is

A. 594⌧841
B. 210⌧297
C. 420⌧594
D. 297⌧420

课程的影响因素包括：（）

A. 政治制度及经济发展
B. 文化传统及民族特色
C. 教育制度及学术特点
D. 科技进步