第一章 单元测试

1、单选题:
What does a thick line represent in drawing?
选项:
A:represent symmetrical line
B:represent hatching line
C:represent visible line
D:represent invisible line
答案: 【represent visible line

2、多选题:
The possible direction of a dimension text should towards?
选项:
A:down
B:right
C:upper
D:left
答案: 【upper;
left

3、判断题:
The "R" and "∅ " means radius and diameter.
选项:
A:错
B:对
答案: 【

4、多选题:
The main contents of title block are:
选项:
A:signature
B:student ID NO.
C:part name
D:class
答案: 【signature;
student ID NO.;
part name;
class

5、多选题:
The elements of the dimension
选项:
A:dimension line
B:arrow head
C:extension line
D:text
答案: 【dimension line;
arrow head;
extension line;
text

6、判断题:
Thin dashed dotted line to indicate axis line ,symmetrical center lines.
选项:
A:对
B:错
答案: 【

7、判断题:
Continuous thin irregular line to indicate part sectional boundary lines or to terminate a part view, and for short break line.
选项:
A:错
B:对
答案: 【

8、判断题:
Thick dashed line shown can be made surface-treatment
选项:
A:错
B:对
答案: 【

9、判断题:
A compass is used to draw circles and arcs
选项:
A:对
B:错
答案: 【

第二章 单元测试

1、单选题:
Which coordinates are related to H projection of a point?
选项:
A:y,z
B:x,y,z
C:x,z
D:x,y
答案: 【x,y

2、单选题:
How can you represent V projection of a point?
选项:
A:A
B:a'
C:a''
D:a
答案: 【a'

3、单选题:
Which projection accumulates as a point for a H perpendicular line?
选项:
A:V
B:no projection accumulates as a point
C:H
D:W
答案: 【H

4、单选题:
Which projection is the true length for a frontal line?
选项:
A:no projection
B:W projection
C:V projection
D:H projection
答案: 【V projection

5、单选题:
How many types of parallel line are there relative to projection plane?
选项:
A:2
B:1
C:4
D:3
答案: 【3

6、多选题:
How many relationships between two lines?
选项:
A:3
B:2
C:4
D:1
答案: 【3;
4

7、判断题:
If two projections of two lines are parallel, then the two lines are parallel in space
选项:
A:对
B:错
答案: 【

8、判断题:
The true length projection of a line appears in a projection plane that is parallel to the line
选项:
A:错
B:对
答案: 【

9、判断题:
Two lines are parallel in space provided that their respective projections on two projection planes are parallel.
选项:
A:对
B:错
答案: 【

10、判断题:
If a line is parallel to any line in a plane, the line is parallel to the plane.
选项:
A:对
B:错
答案: 【

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