He drove fast and arrived an hour_____of schedule.
a.in advance
b.ahead
c.abreast
d.in front
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I’ve been telling you_____not to do that,but you neve listened to me.That‟s why you got into trouble.
a.at times
b.time before time
c.time and again
d.for the time being
Children who are over-protected by their parents may become_____.
a. hurt
b.tamed
c.destroyed
d.spoiled
信息系统应急预案既要制定、修订和完善,更需要演练与处理。()
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对关键业务系统的数据,每年应至少进行一次备份数据的恢复演练。()
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