【单选题】在创新过程中需要大量的科技人员,需要各学科知识相交叉 ,这是指的创新成果的( )。
【单选题】在创新过程中需要大量的科技人员,需要各学科知识相交叉,这是指的创新成果的?
【单选题】The decline in moral standards—which has long concerned social analysts—has at last captured the attention of average Americans. And Jean Bethke Elshtain, for one, is glad. The fact that ordinary citi...
A.
have adapted to a new set of moral standards
B.
are longing for the return of the good old days
C.
have realized the importance of material things
D.
are awakening to the lowering of their moral standards
【单选题】电器装置搭铁线,一般采用( )颜色导线。