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【单选题】
下列有关数据库的恢复的说法中不正确的是( )。
A.
应定期将数据库做成档案文件
B.
在进行事务处理过程时数据库更新的全部内容写入日志文件
C.
数据库恢复，还可用最新的档案文件和日志文件的更新映像，将文件恢复到最新的检查点文件状态
D.
发生故障时用当时数据内容和档案文件更新前的映像，将文件恢复到最近的检查点文件状态。
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【单选题】换路前已经达到稳定状态,t=0时刻开关闭合,求换路后,0+时刻,电感上流过的电流I(0+)为( )
A.
0.5A
B.
1A
C.
2A
D.
5A
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【单选题】The village seemed _____, the only sign of life _____ some trees waving in the howling wind. [     ]
A.
alone; were
B.
deserted; being
C.
lonely; was
D.
abandoned; to be
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【简答题】阅读理解. Howling(吼叫) is a behavior commonly observed among a wolf pack(狼群). As pack animals, wolves work together to hunt and rely on howling as an important means of communication among each other. Ther...
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【单选题】急性肠梗阻可出现下列变化,除了:
A.
肠管迅速膨胀
B.
肠管压力增高
C.
肠壁代偿性肥厚
D.
肠壁血运障碍
E.
肠壁充血增后
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【单选题】Having heard wolves howling in the forest, Lala       her walk up the path to the caves fearing that there might be wild beasts lying in wait for her．
A.
accumulated
B.
circulated
C.
accelerated
D.
calculated
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【单选题】换路前已经达到稳定状态,t=0时刻开关闭合,求换路后,时间常数τ计算公式中R取值为( )
A.
2
B.
6
C.
8
D.
4
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【单选题】____ wolves were howling in the wilds.
A.
Famished
B.
Famine
C.
Famous
D.
Familiar
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【简答题】Howling is a behavior commonly observed among a wolf nark. An animals, wolves work together to hunt and rely on howling was an important means of communication each other. There are different explants...
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相关题目：
【多选题】behavio(u)r72
A.
行为
B.
举止
C.
性格
D.
接触
查看完整题目与答案
【单选题】换路前已经达到稳定状态,t=0时刻开关闭合,求换路后,0+时刻,电感上流过的电流I(0+)为( )
A.
0.5A
B.
1A
C.
2A
D.
5A
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【单选题】The village seemed _____, the only sign of life _____ some trees waving in the howling wind. [     ]
A.
alone; were
B.
deserted; being
C.
lonely; was
D.
abandoned; to be
查看完整题目与答案
【简答题】阅读理解。 Howling is a behavior commonly observed among a wolf pack. As pack animals, wolves work together to hunt and rely on howling as an important means of communication among each other. There are di...
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【简答题】阅读理解. Howling(吼叫) is a behavior commonly observed among a wolf pack(狼群). As pack animals, wolves work together to hunt and rely on howling as an important means of communication among each other. Ther...
查看完整题目与答案
【单选题】急性肠梗阻可出现下列变化,除了:
A.
肠管迅速膨胀
B.
肠管压力增高
C.
肠壁代偿性肥厚
D.
肠壁血运障碍
E.
肠壁充血增后
查看完整题目与答案
【单选题】Having heard wolves howling in the forest, Lala       her walk up the path to the caves fearing that there might be wild beasts lying in wait for her．
A.
accumulated
B.
circulated
C.
accelerated
D.
calculated
查看完整题目与答案
【单选题】换路前已经达到稳定状态,t=0时刻开关闭合,求换路后,时间常数τ计算公式中R取值为( )
A.
2
B.
6
C.
8
D.
4
查看完整题目与答案
【单选题】____ wolves were howling in the wilds.
A.
Famished
B.
Famine
C.
Famous
D.
Familiar
查看完整题目与答案
【简答题】Howling is a behavior commonly observed among a wolf nark. An animals, wolves work together to hunt and rely on howling was an important means of communication each other. There are different explants...
查看完整题目与答案