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【单选题】
关于yum软件源优先级,下列哪些说法是正确的?A.
使用多个软件源时，有必要对软件源进行优先级排序
B.
yum本身就有软件源优先级排序功能，无需额外下载插件
C.
软件源优先级在软件源配置文件中指定
D.
优先级值越大表明优先级越低
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举一反三
【单选题】下列程序段的执行结果为______。 x = 0: y = 1 z = 1: n = 0 Do x = x + y + z n = n + 1 Loop While x ＜ 10 Print x; n
A.
10 5
B.
x n
C.
9 5
D.
10 6
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