【单选题】Institutions of higher learning must shift models because the world cares______.
A.
the knowledge you have acquired in the college
B.
the time you put into study and action
C.
the way you master the learning ability
D.
the things you can handle with your knowledge
【简答题】一轴承合金的牌号为chcuPb24.5--1.5。其中Cu是表示( )的化学元素,Pb是表示( )的化学元素。
【单选题】I must say, it’s a very offer. The pay is higher and the working conditions are much better.
【单选题】Bei Rot must du ___.
【简答题】矿业废渣中的主要化学元素是______、______、______、______、______、______、______、______、______、______等。