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.

A．Children can learn how a business works in social life.
B．Children may understand what a normal family life is.
C．Children may learn to save money rather than spend it.
D．Children can't expect another allowance in a short time.