单项选择题

The main idea of this passage is ______.

A．parents shouldn't smoke
B．children should avoid smoking
C．the affects of smoking and second-hand smoke is harmful
D．my mother and grandparents smoked heavily

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单项选择题

How often has the affects of smoking and second-hand smoke been reported in the newspaper

A．Once a week.
B．Twice a week.
C．Once a month.
D．Twice a mouth.

单项选择题

The author thinks ______.

A．she should move out of the area where people smoke
B．the smokers should go outside the room when they want to smoke
C．his mother has realized the danger of smoking
D．all the people have bad habits