单项选择题

______ was the top preventable contributing factor to the deaths.

A．Being underweight
B．Physical inactivity
C．Cigarette smoking
D．High blood pressure
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单项选择题
Robert Beaglehole suggested that ______.
A．the government decrease tobacco advertising and raise taxes on cigarettes
B．China learn from the experience of developing countries
C．the government prohibit smoking in public places
D．China develop a strategy to combat chronic diseases
单项选择题
More than half of the men surveyed were ______.
A．farmers
B．old people
C．smokers
D．experts
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