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【单选题】
若两台服务器系统可用性分别达到99.999%和99.9%,那么两台服务器每年的停机时间必须小于等于A.
10分钟和53分钟
B.
53分钟和88小时
C.
5分钟和8.8小时
D.
5分钟和53分钟
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反馈参考答案：
举一反三
【单选题】The military may ________ if the crisis continues.
A.
step out
B.
step on
C.
step in
D.
step up
【单选题】Which of the following statements is INCORRECT?
A.
The military officer got wounded in the shooting.
B.
The military officer just returned from Afghanistan.
C.
The military officer may be charged with 14 counts of murder.
D.
The military officer will be prosecuted in a military court.
【简答题】Every May 9 , Russia celebrated the victory over , a military Parade is usually held in Moscow to celebrate the day.
【简答题】Question:Which is the topic sentence of the fourth paragraph? The full effects that computers and the Internet will have on journalism, education and the military are yet to be known, but if the Inter...
【单选题】The military may _________ if the crisis continues.
A.
step out
B.
step on
C.
step in
D.
step by
【简答题】Since May 1st,1991, we have had the ____ceremony when the sun rises above the horizon and the ____ceremony at sunset every day. During the important state festive ceremonies,there are 96 military guar...
【单选题】So severe is the border clash between the two armies that a military violence may ______ up at any time.
A.
flair
B.
flame
C.
flare
D.
flash
相关题目：
【单选题】The military may ________ if the crisis continues.
A.
step out
B.
step on
C.
step in
D.
step up
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