单选题 Physical activity through sports can enhance your child’s physical health.Sports can also have a positive effect on his mental health.Sports participation helps children ____21____life skills such as learning to___22___with loss and disappointment.These mental health benefits can be___23___ helpful during the challenging years of adolescence.As your child grows and his body changes，confidence and self-esteem___24___from a positive body image.___25___sports participation helps your child.___26___ a healthy weight and see his body as a___27___ to succeed on the playing field.A good body image improves mental health so that your child is less ___28___ to experience feelings of low self-worth.Children who participate29sports must learn to work with their teammates to___ 30___a goal.Through sports a child is___31___to build confidence in his abilities.Winning does not have.to be the only confidence builder.A___32___ pass or assist during a game also lmproVe8confidence.Exercise and sports participation have been___请作答此空___to have antidepressant（抗抑郁的）effects.Children who play sports generally report having a positive___34___ 0n life.Improved self-esteem can___35___ a child not only in sports events，but also in academic performance.