1.[单选题]
__________________.
A.Report the nicotine content of their cigarettes.
B.Set a limit to the production of their cigarettes.
C.Take steps to reduce nicotine in their products.
D.Study the effects of nicotine on young smokers.
2.[单选题]___________________.
A.The biggest increase in nicotine content tended to be in brands young smokers like.
B.Big tobacco companies were frank with their customers about the hazards of smoking.
C.Brands which contain higher nicotine content were found to be much more popular.
D.Tobacco companies refused to discuss the detailed nicotine content of their products.
3.[单选题]_________________.
A.They promised to reduce the nicotine content in cigarettes.
B.They have not fully realized the harmful effect of nicotine.
C.They were not prepared to comment on the cigarette study.
D.They will pay more attention to the quality of their products.