Read the following passage carefully and choose the best word to fill in each blank. Basketball, the ultimate in 1 ______ sports, can be played 2 ______ or outdoors, in a gym or in the park. It doesn ’ t cost a lot to play, and it isn ’ t complicated, either. 3 ______ you know a few rules and have some basic skills, you can walk up to any court and join a pickup game ( 临时组织的比赛 ).Basketball is great for building muscles. 4 ______ the game requires a lot of starting, stopping, and sprinting ( 快速奔跑 ), it helps strengthen the lower body. 5 ______ and shooting can develop muscles in the arms and shoulders. Obviously, the fitness benefits increase with the 6 ______ of the game. Moreover, shooting increases your energy, endurance, and 7 ______ , and thus can make other aerobic( 有氧健身的 ) activities, such as walking, running, and skating, easier.However, before you start playing, it is necessary to spend a few minutes practicing throws or 8 ______ the ball around to your teammates. It takes 5 to 10 minutes to warm up your muscles, get your heart rate elevated ( 升高的 ), and break a sweat (a sign that you ’ re ready to proceed). After the game, also take time to 9 ______: Allow your heart rate to decrease gradually by 10 ______ around the court or walking home.