黑客攻击造成网络瘫痪，这种行为是违法犯罪行为。
参考答案：对
Though what she had been doing went against the tradition of the family, she ________to make them change their minds.
A. succeeded B. persuaded B. managed D. tried
100BASE-T标准的物理介质是（）。
A、粗同轴电缆
B、细同轴电缆
C、双绞线
D、光纤
