按照国家规定保存企业年金基金托管业务活动记录、账册、报表和其他相关资料至少（）年。
A.1
B.5
C.15
D.20
参考答案：C
堆栈型机器的例子为( )。
A．IBM360/370
B．HP 3000/70
C．EDSAC
D．DEC VAX
The experts in grammar analysis and translation approach believed that the mind of human beings could be trained by logical ______ of the classic language, memorization of complicated rules, and translation between languages.
