单项选择题
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A. She has not applied for any university yet.
B. She will begin university classes in a few weeks.
C. She does not know yet if a university will accept her.
D. She is too busy to contact the university right now.
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单项选择题
A. conveys B. converts C. contends D. conceals
A. conveys B. converts
C. contends D. conceals
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单项选择题
According to the passage, which one is irrelevant to the finding of John Burn’s study
A. Aspirin may offer a simple way to control stems cells that make tumors grow.
B. Aspirin may influence the survival of aberrant stem cells in the colon.
C. Aspirin may damage faulty stem cells before their mutation.
D. Aspirin may reduce the risk of developing colon cancer by blocking the COX-2.
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