ZXA10 C220系统提供完善的（）机制，来提高网络的安全性保证，防止用户帐号被盗用的情况。
参考答案：端口定位
— What do you think of the furniture on exhibition?
— Well, great! But I don't think much of ______ you bought. [ ]
A. the one
B. it
C. that
D. which
对复杂莫测的矛盾未来结局，通过缜密分析论证才有可能使立论具有一定的（）
A.预见性
B.可信性
C.可读性
D.警示性
