As teenagers in the 21st century, We will be builders of China in the future. We will take up the heavy responsibility to build up our country.Owing to each age has different outstanding talents.As the saying goes “teenagers are the hope of our country.” If the teenagers with great capacity, high intelligence and advanced technology. Our country will be more powerful. Therefore, we must make full use of our time to study hard to enrich ourselves and do more exercise to keep fit. We should insist that after training and suffering with perseverance. We will have a wonderful life in the end.