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【单选题】
下列说法正确的是?A.
在图样上必须用粗实线绘制出图框，图框的格式分为留张定边和不留装订边，同一产品的图样可以采用不同种格式。
B.
线性尺寸数字一般写在尺寸线的上方，水平方向的尺寸数字由左向右书写字头朝上，竖直方向的尺寸数字由下向上书写，字头朝右。
C.
字母与数字可写成斜体或直体，斜体字字头向右倾斜。与水平基准线呈75度。和汉字混合书写用直体，单独书写用斜体。
D.
绘制图样时，对称中心线齿轮分度圆采用细点划线，相邻辅助零件的轮廓线，轨迹线，极限位置的轮廓线采用粗点划线。
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皮皮学刷刷变学霸
举一反三
【单选题】In what area did Colin excel during recent training?
A.
team working
B.
report writing
C.
prioritising
【简答题】Colin married my sister and I married his brother, ________ makes Colin and me double in-laws. A) what B) which C) that D) it
【单选题】What word best describes the writer's response to Colin Tudges prediction on captive breeding programmes?
A.
Disbelieving.
B.
Impartial.
C.
Prejudiced.
D.
Accepting.
【单选题】---Colin,what's this in English? ---__________
A.
It's pen
B.
It's a pen
C.
This is a pen
【简答题】Colin
【单选题】What reason has Colin given for applying?
A.
to have a more challenging role
B.
to make full use of his qualifications
C.
to raise his profile within the company
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