【单选题】【消耗次数：1】
变质剥落的现象，我们称汽车的这种故障模式是（）
①
松脱型故障
②
失调型故障
③
退化型故障
④
损坏型故障
参考答案：
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数据库的故障是指从保护安全的角度出发，数据库系统中会发生的各种故障。这些故障主要包括：（ ）、系统故障、介质故障和计算机病毒与黑客
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reach
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share
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take
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【单选题】
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Hold on. I’ll get her
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No, she isn’t here
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