单项选择题


A．However
B．Thus
C．Nevertheless
D．Consequently
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单项选择题
The last sentence of the third paragraph tells us that ______.
A．any organization's networks may be at risk of security breaches
B．current technology cannot safeguard against unauthorized access to online networks .
C．information security should be a pressing concern for Internet commerce
D．organizations must secure their networks and data against unauthorized use
单项选择题
The underlined word patronymic in the second paragraph is closest in meaning to formed from ______.
A．the name of one's father
B．the family occupation
C．one's family home
D．one's family history
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