单项选择题

A．To help people quit smoking more effectively.
B．To make Freedom from Smoking campaign more popular.
C．To introduce some effective ways to quit smoking.
D．To help people fight all kinds of lung diseases.
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单项选择题
A．He is conceited.B．He likes to play practical jokes.C．He hates to do what he dislikes.D．All of the above.
A．He is conceited.
B．He likes to play practical jokes.
C．He hates to do what he dislikes.
D．All of the above.
填空题
necessities
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