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【判断题】
在容灾备份系统建设中，不仅要考虑数据中心端的容错，还要考虑对重要关键业务系统进行异地容灾备份和对重要数据的定时和实时备份。A.
正确
B.
错误
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【单选题】We have spotted the location, _______ we thought is the site of Emperor Qin Shihuang. [ ]
A.
that
B.
what
C.
which
D.
where
【单选题】We can accept your order ________ payment is made in advance.
A.
in the belief that
B.
in order that
C.
on the excuse that
D.
on condition that
【简答题】This company's performance exemplifies a widely held belief.
【简答题】A gap year (also known as year abroad, year out, year off, deferred year, bridging year, time off and time out) is a year during which students take time off and do something other than schooling, suc...
【简答题】什么是环境优先污染物?简述我国环境优先污染物的情况。
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