Sports participation refers to the attitude and behavioral performance of actively participating in sports activities. People who often participate in sports activities can cultivate and develop their interests and hobbies in sports. Form the habit of physical exercise and make sports activities an important part of life. Participation in sports in the school field requires students to have an attitude and behavior that actively participates in physical activities, master the knowledge and methods of scientific fitness, and develop the habit of insisting on physical exercise. According to the above definition, Which of the following are involved in sports:. ['Xiaoqiang has a weak constitution. In order to strengthen his physique, he began to participate in sports.', "To nurture a child's interest, the niche father often takes him to swim.", 'Xiao Zhang is passionate about tennis matches and will often watch various tennis matches.', 'Xiao Li loves running, as long as he has time, he will participate in the marathon.']