Which of the following statement is NOT among the reasons that change the rules of psychological warfare？
A. Break the morale of their opponent.
B. Advances in technology.
C. The popularity of the Internet.
D. Prosperity of media.
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According to the author, which is the best source that college students can rely upon if there are outbreaks of bird flu on college campuses？
A. The national stockpile of Tamiflu.
B. The government's medical resources.
C. Drugs provided by the feds.
D. The stockpile of the students health centers.
The cause of the transition of the Earth's magnetic field comes from______.
A. the movement deep inside the Earth
B. the periodical reverses of the Earth
C. the force coming from outer space
D. the mechanical movement of the Earth
听力原文：What does the conversation reveal about Mr. Johnson's work？
(10)
A. He works at night.
B. He's changing jobs.
C. He's a dentist.
D. He only earns a little.
The author uses " television advertising" as an example to show that______.
A. the commercial world are contributing to the increased violence in real life
B. computer and online games are not the only cause of increased violence in real life
C. there is little link between computer games and increased violence in real life
D. other factors must be considered as possible causes of violence in real life
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