病毒将与其自身完全相同的副本植入其他程序或磁盘的某些系统区域,是属于病毒生命周期中的()阶段。
A.睡眠
B.传播
C.触发
D.执行
参考答案:B
—We are going to have a picnic tomorrow
—_____ [ ]
A. Have a good time!
B. Really? I don't think so.
C. Help yourself.
D. The same to you.
建筑桩基采用概率极限状态设计法,以( )度量桩基的可靠度。
A.可靠指标
B.安全系数
C.桩基安全等级
D.建筑桩基重要性系数