信息的特点中较难驾驭的特征是（）。
A.可伪性
B.可加工性
C.传递性
D.共享性
E.时效性
参考答案：A
做一个有盖的长方体铁皮箱，长是10分米，宽是7分米，高是5分米，共需铁皮多少平方米？
— Football by the British at the beginning of last century.
— That's probably why football is one of popular games in England. [ ]
A. was invented, the most
B. invented, more
C. was invented, more
D. invented, the most
