After our computer network ______for the third time that day, we all went home.

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问题 After our computer network ______for the third time that day, we all went home.

选项 A、crashed
B、collided
C、smashed
D、fell

答案A

解析 由句子中的“computer network”可知,要填入的动词与计算机网络系统有关。A项crash意为“计算机由于软硬件发生故障而停止运行”,与题意相符。B项collide意为“运动中的物体或人猛撞某物或互相撞击;意见等相冲突”;C项smash意为“粉碎;痛击,撞毁”;D项fall意为“落下,跌落”。因此,A项为正确答案。
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