作为非成员函数重载的运算符,所有操作数都必须以______的形式出现在参数表中。
参考答案:参数
股票只有通过转让、出售才能变现。 ( )
_____ of the students who took part in the military training is 450.
A.A number
B.A lot
C.Lots
D.The number