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【判断题】
656( )发盘人在其提出的订约建议中加注诸如“仅供参考”、“发盘人的最后确认为准”或其他类似的保留条件的,这样的订约建议就不是发盘,而只是发盘邀请.A.
正确
B.
错误
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【简答题】网络黑客主要攻击手段有哪些?如何加以防范?
【单选题】Only ______ as a translator ______ how important it was to grasp English.
A.
when did I work; I realized
B.
when did I work; did I realize
C.
when I worked; I realized
D.
when I worked; did I realize
【单选题】Only when I was fourteen _____ the importance of study. [ ]
A.
I realized
B.
did I realize
C.
had I realized
D.
I had realized
【简答题】防范DDoS网络攻击的常规方法有哪些?
【单选题】I went there in 1984, and that was the only occasion when I ________ the journey in exactly two days.
A.
must take
B.
must have made
C.
was able to make
D.
could make
【简答题】常见的网络攻击手段有哪些?简述防范网络攻击的主要技术。
【简答题】Only when I began to do it ____ that I had made a mistake．
【单选题】Passage Two I was only eight years old when the Second World War ended, but I can still remember something about the victory celebrations in the small town where I lived on the day when the war in Eur...
A.
In London.
B.
In a small town.
C.
In Europe.
D.
In the countryside.
【多选题】网络攻击的防范策略有哪些?()
A.
提高网络安全意识，不要随意打开来历不明的电子邮件及文件，尽量避免从Internet下载不知名的软件、游戏程序，密码设置尽可能使用字母数字混排，及时下载安装系统补丁程序
B.
使用防病毒软件，将防病毒工作当成日常例行工作，及时更新防病毒软件和病毒库
C.
隐藏自己的IP地址，若没有该机器IP地址，攻击者也是没有办法入侵的
D.
使用防火墙软件，用以阻止网络中的黑客访问
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