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【多选题】
以下关于磁盘移臂调度算法中正确的有()A.
移臂调度的目的是减少平均寻道时间，包括最短寻道时间优先、扫描算法等。
B.
FIFO调度算法不考虑访问的物理位置，只按请求到达的先后顺序进行调度
C.
FIFO调度算法可以获得比较短的平均寻道时间
D.
FIFO调度算法可能会随时改变磁头的移动方向
E.
最短寻道时间优先调度算法可能会随时改变磁头的移动方向
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举一反三
【简答题】trailer ________
【单选题】trailer
A.
a furnished van
B.
a portable computer
C.
a beautiful ribbon
D.
a sub lawn
【多选题】Why is the trailer“What is Peppa?” the buzz on social media?
A.
The topic of the trailer is family and grandpa’s deep love for little grandson, which could easily resonate with the audience.
B.
It discusses a topic that lots of Chinese family can relate to: rural exodus.
C.
The timing is also perfect: the trailer was released just before Chinese New Year.
D.
The image of the Peppa Pig made by grandpa was really cool and innovative, creating numerous reposts online.
【简答题】This agency lavishly praised China’s aggressive response to the novel coronavirus.
【单选题】Now is a critical moment in China’s fight against the novel coronavirus disease (COVID-19).
A.
erous
B.
Serious
C.
Crucial
D.
Dispensable
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