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【单选题】
不属于埋弧焊工艺参数的是()A.
焊接电流
B.
焊接电压
C.
焊接速度
D.
气体流量
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皮皮学刷刷变学霸
举一反三
【单选题】Which is not a basic principle of the relational model?
A.
Classes can inherit attributes from other classes
B.
All data can be organized into tables
C.
Tables can be linked using common keys
D.
Rows in tables correspond to objects in the real world
【简答题】体育教学内容选择的依据
【单选题】From the passage we know that the Industrial Revolution
A.
let to Adam Smith's idea of specialisation
B.
was finished in the nineteenth century
C.
also has its side-effects in society
D.
put an end to poverty in the world
【简答题】阅读理解。 Mr Wise, I'm a slow (迟钝的) student. Most of my classmates are much better than me. So I usually get stressed out. Although I spend much time studying for the tests, I can't get good grades. Somet...
【简答题】简述教学内容选择的依据
【单选题】Which is not a basic aspect of literary study according to the lecture?
A.
the philosophy
B.
the outside world
C.
The readers
D.
The writers
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