单项选择题
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A) What kind of medicine to develop. B) When to advertise the drugs.
C) How to promote their products. D) The regulations of medicine advertising.
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单项选择题
A) His health is getting worse. B) He can no longer work at sea. C) His past life upsets him a good deal. D) He has not got the expected pension.
A) His health is getting worse. B) He can no longer work at sea.
C) His past life upsets him a good deal. D) He has not got the expected pension.
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