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【简答题】
Family member What does he/she look like? My father My father is very tall. He has curly hair. He’s handsome. My mother My mother is not beautiful. She is short. She is only 1.5 meters tall. She has black hair. And she is fat. My sister My sister is a lovely girl. She has long curly hair. She’s of medium build. My brother My brother looks like my mother. He is short, too. He’s heavy.
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举一反三
【简答题】组织培养中接种工具一般用_法消毒,培养材料用_消毒,培养基用_法消毒
【判断题】The dimensions in a detail drawing indicate the finished size of the part.
A.
正确
B.
错误
【多选题】In a gear detail drawing, the following dimensions should be shown. (Multiple options: 10 points)
A.
Addendum circle diameter
B.
Gear-tooth width
C.
Pitch-circle diameter
D.
Deddendum-circle diameter
【多选题】Dimensions in detail drawings should be .
A.
correct
B.
complete
C.
clear
D.
reasonable
【判断题】The dimensions in a detail drawing indicate the real size of the part, they have no relationship with the drawing scale.
A.
正确
B.
错误
【判断题】The dimensions in a detail drawing indicate the real size of the part, they have no relationship with the drawing scale.
A.
正确
B.
错误
【判断题】In the detail drawing of a part, the dimensions of very small features can be omitted.
A.
正确
B.
错误
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