端口扫描是一种()型网络攻击。
A.Dos
B.利用
C.信息收集
D.虚假信息
A.Dos
B.利用
C.信息收集
D.虚假信息
A、计算机水平较高,同时总在夜晚上网
B、在网上恶意进行远程系统攻盗取或破坏信息
C、计算机水平较高,可以不花钱上网
D、匿名上网
be late for / on time / wake up / have difficulty with / get out of / turn off / insist on / talk with
1.Mike _______his colleagues when the phone rang.
2.I called Ruby back as soon as I _______ bed.
3.Do you mind if I _______ the light?
4.Thanks to our hard work, we can fulfil the task _______.
5.Most tour companies _______ advance payment when a booking is made.
6.We'll _______ the meeting if we stay any longer.
7.She _______to find himself alone in the house.
8.He _______human relations.
B、当采用细砂、粉砂作填料时,应考虑振动液化的影响
C、有机土及易溶盐超过允许含量的土,不得直接用于填筑路基
D、桥涵台背和挡土墙背应优先选用渗水性良好的填料
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