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【单选题】
下列各项工作中 , 哪一项不是创建进程必须的步骤（ ）A.
建立一个 PCB 进程控制块
B.
由进程分配 CPU
C.
为进程分配内存等必要的资源
D.
将 PCB 链入进程就绪队列
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】听力原文：M: Our plane has been circling for a long time. Why the delay? W: The airport was closed for a while this morning and things still are not back to normal. Q: What does the woman mean? (16)
A.
The airport is closed due to bad weather.
B.
The flight is following its regular schedule.
C.
The plane will return to its point of departure.
D.
An earlier closure affected the airport's schedule.
【简答题】启动一个Activity,使用Activity的_______方法
【单选题】在Hadoop安装目录下,若使用start-dfs.sh一键启动命令无法将全部进程启动,可以单独启动每个进程,下面选项中哪个是单独启动namenode进程命令?
A.
start hadoop-daemon.sh namenode
B.
start namenode hadoop-daemon.sh
C.
hadoop-daemon.sh namenode start
D.
hadoop-daemon.sh start namenode
【简答题】( )是中国传统文化中的神灵动物,用来象征长寿。
【单选题】听力原文：M: Our plane has been circling for a long time. Why is there a delay? W: The airport was closed for a while this morning and things aren't back to normal yet. Don't worry about it. Q: What do we ...
A.
The flight is taking its regular route.
B.
The airport is closed due to bad weather.
C.
The closure affected the airport's schedule.
D.
The plane will fly back to its point of departure.
【单选题】听力原文：M: Our plane has been circling for a long time. Why the delay? W: The airport was closed for a while this morning and things still are not back to normal. Q: What does the woman mean? (13)
A.
The airport is closed due to bad weather.
B.
The flight is following its regular schedule.
C.
The plane will return to its point of departure.
D.
An earlier closure affected the airport's schedule.
【简答题】由于科学技术的进步而引起的设备贬值是设备的( )。
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