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【简答题】
微机工作过程中突然断电,内存中的数据( )。
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反馈参考答案：
举一反三
【单选题】低频信号发生器的频率范围为( )。
A.
20Hz ~ 200KHz
B.
100Hz ~ 1000KH
C.
200 Hz ~ 2000KHz
D.
10 Hz ~ 2000K Hz
【简答题】为什么齿面点蚀一般首先发生在靠近节线的齿根面上？
【单选题】Which of the following statements is NOT true about King Alfred of Wessex ?
A.
Alfred’ s written laws were like comprehensive common law.
B.
In fighting against the Danish invasions of the ninth century he beg a n to unif y the Anglo-Saxon peoples into the single kingdom of England .
C.
He attach ed great importance to justice and reviewed disputed decisions made by his subjects.
D.
Alfred’ s written laws were an attempt to impose uniformity in certain limited fields such as legislation.
【单选题】低频信号发生器的频率范围为( )。
A.
20HZ ~200KHZ
B.
100HZ ~1000KHZ
C.
200HZ ~2000KHZ
D.
10HZ ~2000KHZ
【单选题】Sorry, your car in front of the hotel. [ ]
A.
can put
B.
be not put
C.
can’t be put
D.
can be not put
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