单项选择题

A．The cigar association has taken some actions.
B．Teens have been taught cigars are less poisonous than cigarettes.
C．The attempts to stop teens from smoking cigars are effective.
D．There is no special restriction on the sales of flavored cigars.
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单项选择题
According to the data from America and some European countries, retired people ______.
A．have aroused the interest of many psychologists
B．are more forgetful than they were at work
C．don’t have a functioning mind any more
D．can have much better cognitive skills
单项选择题
A．The man has difficulty meeting Prof. Lee’s requirement. B．Prof. Lee is extremely strict with his students. C．The man is totally absorbed in Prof. Lee’s lecture. D．Prof. Lee’s lecture is kind of boring in the man’s opinion.
A．The man has difficulty meeting Prof. Lee’s requirement.
B．Prof. Lee is extremely strict with his students.
C．The man is totally absorbed in Prof. Lee’s lecture.
D．Prof. Lee’s lecture is kind of boring in the man’s opinion.
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