The document is an argumentative essay prepared by Do Tuan Long discussing various topics related to smoking, education, technology, culture and sports. In the first section, the author argues that banning smoking in public places is justified due to the health dangers of passive smoking. The second section discusses whether smoking should be banned completely, concluding that personal choice is important but smoking is also dangerous to health. The third section argues that foreign languages should be encouraged from kindergarten to promote cultural understanding and career opportunities.