题目内容

The relasionship of the axis and element on the cone is

A. Intersect
B. Parallel
C. Srew
D. virtical

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the angle of oblique character is

A. 75 degree
B. 45 degree
C. 30 degree
D. 45 degree

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

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

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