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
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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
In order to attract applicants, Loyola University and Dillard University are______.
A. reducing the tuition respectively
B. hosting meetings
C. freezing tuition
D. extending the application deadline
These changes have not been sufficient to______the losses.
A. stem
B. stimulate
C. cause
D. compensate
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