单项选择题

The author means ______ by "whole persons" in Para. 1.

A．persons of beauty
B．persons of virtue
C．persons of excellence
D．none of the above
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单项选择题
At the end of the article, the author seems to suggest ______.
A．there is no solution to the flaw in the Internet technology
B．there is much worry within the academic circle about Internet security
C．US government is indifferent to the hacker attacks
D．Internet traffic is easily vulnerable to hack attacks
单项选择题
Which of the following is NOT true
A．Serious flaw uncovered in a core Internet technology had attracted international attention.
B．The Internet is held together by the glue.
C．Normal Internet operations may survive the hacker attacks.
D．Hackers could attack computers without getting online.
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