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【单选题】
According to the rebel leader, what brought about the attacks?A.
Disruption of laws.
B.
Withdrawal of Russian forces.
C.
Betrayal of Ingush forces.
D.
Military intervention of Chechnya.
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举一反三
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【单选题】My father _____ computer games. [ ]
A.
sometimes play
B.
plays sometimes
C.
sometime plays
D.
sometimes plays
【单选题】Sometimes my father couldn’t get work. He didn’t have a _________ job.
A.
general
B.
constant
C.
steady
D.
secure
【简答题】Sometimes my father_____(come )back home late.
【简答题】利用线段裁剪的Cohen-Sutherland算法,对线段AB进行裁剪,简述裁剪的基本过程。