计算机病毒具有破坏性、隐藏性、（）和传染性等特点。
A、必然性
B、再生性
C、潜伏性
D、明显性
参考答案：C
if you had a chance to study abroad. [ ]
A.Where would you go
B. Where you would go
C. Where are you going
D. Where you went
低钾血症
