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【单选题】
一般来说，最初民族形成于：（）A.
原始社会
B.
奴隶制社会
C.
封建主义社会
D.
资本主义社会
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【简答题】简述黑客攻击的一般步骤是什么?
【单选题】Faugel's research showed that beta blockers given to his sample
A.
increased scores less than the national average.
B.
increased scores the same as the national average.
C.
decreased scores.
D.
increased scores much more than the national average.
【简答题】A．The dean showed him the picture the player drew. B．The dean showed him two students' papers. C．The dean showed him two student's knife. D．The dean showed him the money stolen by the students.
【单选题】Our investigation ______ the inefficiency of your management.
A.
showed out
B.
showed through
C.
showed off
D.
showed up
【单选题】It was getting late when she finally _____.
A.
show up
B.
showed up
C.
show out
D.
showed out
【简答题】网络攻击的步骤 隐藏 I P、 信息收集 、 ________________、________________、 在网络中隐身。
【简答题】简述黑客攻击的一般步骤
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