A．Participation in sports is relevant to positive effects.
B．Participation in sports increases female college attendance.
C．Participation in sports prevents obesity among adults.
D．The results vary among different states and ages.

A．They give girls a chance to level the playing field.
B．They reveal that Title Nine is as effective as people think.
C．Far more boys than girls join sports teams.
D．They show the trend of girls' participation in sports.

A．Set a limit to the money spent each day by children.
B．Make sure children don't spend it at once.
C．Learn about what children want to pay for with the money.
D．Teach children to make a budget from their experience.