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【单选题】
In co-location, a firm:A.
contracts with an external vendor to run their computer center and networks.
B.
off-loads peak demand for computing power to remote, large-scale data centers.
C.
utilizes an external, distributed computing grid.
D.
purchases and owns their Web server but locates the server in the physical facility of a hosting service.
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举一反三
【多选题】下列说法不正确的是( )。
A.
散水的坡度为3%~5%。
B.
当屋面排水方式为自由排水时，散水应比屋面檐口宽200mm。
C.
散水整体面层纵向距离每隔6~12m做一道伸缩缝。
D.
明沟沟底的坡度为3%~5%。
E.
当屋面排水方式为自由排水时，明沟应比屋面檐口宽200mm。
【简答题】倍速链输送线如何调整链条的张紧力？
【单选题】Kate met a lot of problems _____ she was going over her lessons.
A.
before
B.
as soon as
C.
untill
D.
while
【单选题】Was it in the reading-room ______ you were reading a magazine _____ Kate met you? [ ]
A.
where, that
B.
that, who
C.
that, where
D.
which, that
【单选题】Kate met a lot of problems _____ she was going over her lessons. [ ]
A.
before
B.
as soon as
C.
until
D.
while
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