单项选择题

Some other measures have been taken to reduce smoking such as ______.

A．changing the types of cigarette vending machines
B．clearing TV screens of cigarette advertising
C．passing laws to stop cigarette production
D．restricting the sale of cigarettes to special shops only
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单项选择题
From Paragraph 5 we can learn that ______.
A．the number of segregated smokers is on the rise
B．the number of male smokers is decreasing gradually
C．the number of female smokers is increasing now
D．the number of nonsmokers is larger than that of smokers
单项选择题
When you are traveling around the world, you will find that ______.
A．the topic of nonsmokers' rights is a hot issue for discussion
B．the expression "Don't puff on me" is posted everywhere
C．few countries pay attention to nonsmokers' rights
D．smokers are forced to give up smoking to keep the air clean
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