College sports in the United States are a huge deal. Almost all major American universities have football, baseball, basketball and hockey programs, and【C1】______millions of dollars each year to sports. Most of them earn millions【C2】______as well, in television revenues, sponsorships. They also benefit【C3】______from the added publicity they get via their teams. Big-name universities【C4】______each other in the most popular sports. Football games at Michigan regularly【C5】______crowds of over 90, 000. Basketball's national collegiate championship game is a TV【C6】______on a par with(与...... 相同或相似)any other sporting event in the United States,【C7】______perhaps the Super Bowl itself. At any given time during fall or winter one can【C8】______one's TV set and see the top athletic programs—from schools like Michigan, UCLA, Duke and Stanford—【C9】______in front of packed houses and national TV audiences. The athletes themselves are【C10】______and provided with scholarships. College coaches identify【C11】______teenagers and then go into high schools to【C12】______the country's best players to attend their universities. There are strict rules about【C13】______coaches can recruitno recruiting calls after 9 p.m. , only one official visit to a campus — but they are often bent and sometimes【C14】______. Top college football programs【C15】______scholarships to 20 or 30 players each year, and those student-athletes, when they arrive【C16】______campus, receive free housing, tuition, meals, books, etc. In return, the players【C17】______the program in their sport. Football players at top colleges【C18】______two hours a day, four days a week from January to April. In summer, it's back to strength and agility training four days a week until mid-August, when camp【C19】______and preparation for the opening of the September-to-December season begins【C20】______. During the seasons practices last two or three hours a day from Tuesday to Friday. Saturday is game day. Mondays are an officially mandated day of rest. 【C1】