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【单选题】
定期对系统和数据进行备份,在发生灾难时进行恢复。该机制时为了满足信息安全的( )属性。
A.
真实性
B.
完整性
C.
不可否认性
D.
可用性
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【单选题】通过网络经营旅行社业务的,应当依法取得______许可。
A.
旅行社业务经营
B.
旅行社经营
C.
旅行社经营管理
D.
旅行社业务经营管理
【单选题】通过网络经营旅行社业务的,应当依法取得( )许可。
A.
旅行社经营
B.
旅行社经营管理
C.
旅行社业务经营
D.
旅行社业务经营管理
【单选题】By saying 'Im glad I wasnt their dog', the author means that ______.
A.
those scientists know little about the feelings of animals
B.
feelings can scarcely be studied with a microscope
C.
few scientists know what it feels like to be a dog
D.
animals are often mistreated by scientists
【简答题】阅读理解。 Talking Dog: Body Language Understand what dogs are 'saying' It's important to understand what dogs are saying with their bodies, not only to know your own dog but to better predict what other d...
【单选题】In the second paragraph, the writer talks about someone saying, 'You are a lucky dog.' He is saying that ______.
A.
the speaker of this sentence is just being friendly
B.
this saying means the same as 'You are a lucky guy' or 'You are a lucky gal'
C.
the word dog should not be used
D.
sometimes the words used by a speaker give a clue to the feeling behind the words
【单选题】[音频] My friend has a ' hot dog /hot 'dog .
A.
' hot dog
B.
hot 'dog
【简答题】某公司打算向它的三个营业区增设六个销量店,每个营业区至少增设一个。从各区赚取的利润(单位:万元)与增设的销售店个数有关,其数据如下。 试求各区应分配几个增设的销售店,才能使总利润最大,其值是多少?
【单选题】通过网络经营旅行社业务的应当依法取得( )许可。
A.
旅行社管理
B.
旅行社业务经营
C.
旅行社经营管理
D.
旅行社与经营管理
【单选题】通过网络经营旅行社业务的,应当依法取得( )
A.
旅行社经营许可
B.
旅行社经营管理许可
C.
旅行社业务经营许可
D.
旅行社业务经营管理许可
【单选题】某公司打算向它的三个营业区增设六个销售店,每个营业区至少增设一个。各营业区年增加的利润与增设的销售店个数有关,具体关系如表18—3所示。可以调整各营业区增设的销售店的个数,使公司总利润增加额最大达( )万元。[*17]
A.
520
B.
490
C.
470
D.
510
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