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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单项选择题
Why does the author speculate that Socrates' disciples may have resisted his lessons
A．Because Socrates was ugly.
B．Because Socrates taught them to be critical.
C．Because they had a different expectation.
D．Because they were innocent.
单项选择题
By saying suffering can be a blessing , the author means that_________.
A．a bad thing is generally followed by a good thing
B．it is hard to tell a bad thing from a good thing
C．a bad thing sometimes can do good to people
D．a thing bad to One person may be good to another
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