241.exert a huge influence upon...

　　242.when the naivety of childhood is left behind and maturity of adulthood is embraced

　　243.A is only the preliminary stage in the process of growing up.

　　244.Sport is an important part of modern life as well as a commercialized part of modern society.

　　245.People engage in sports because they want good health.

　　246.They sacrifice too much.

　　247.It's not unreasonable that.... ...不无道理

　　248.Sb should be more supportive of..

　　249.It's a fact that traditional culture is undergoing a decline with the development of science and technology.

　　250.It's human nature to continually look for new ways to replace old ones.