The legal age for drinking alcohol in the United States is 21.(1)_______________________________________________.There are many alcohol policies at American colleges and universities.These policies differ from school to school.The United States has more than 17 million students in higher education.Each year, 1,700 of them aged eighteen to twenty-four die from alcohol-related road crashes and other injuries.16,000 more are injured while under the influence of alcohol.And almost 7,000 are attacked by another student who has been drinking.One behavior that college officials are trying to prevent is uncontrolled drinking,having four or five drinks or more in a short period of time.A person can die of alcohol poisoning.At the University of Oklahoma, new policies went into effect after a 19-year-old student died in 2004 after heavy drinking.(2)_______________________________________.Other new requirements include an alcohol education program that first-year students take online.The policies govern behavior on campus and off.With a first violation, students pay 75 dollars and their parents are told and must take an alcohol education class.For a second "strike", they have to pay 150 dollars.A third strike means a stop of study for at least one semester.(3)________________________________________.