【单选题】Which is the feature of “mass cooperation networks”?
A.
Mass cooperation networks were based on mutual trust
B.
Most mass cooperation networks were linked with oppression and exploitation.
C.
Mass cooperation networks quickened the pace of agricultural revolution.
【简答题】A.The mass production of steel caused a revolution in the industrial world. B.The mass production of steel caused a decline in the railroad industry. C.The mass production of steel caused an increase ...
【多选题】爱岗敬业是教师职业首先的本质要求,下列反映爱岗敬业的有( )。
【简答题】Tandem mass spectrometry