阅读理解Thepubliccommonlyassociatessteroid

阅读理解The public monly associates steroid use with big-time athletics. But the drugs may be even more of a menace to teenagers. The synthetic hormones can stunt a young person’s growth by prematurely closing the ends of the long bones in the skeleton. That means a 1.7 metre, 15-year-old high school student who uses steroids “might get bigger but won’t get any taller”, according to a US doctor.Nearly seven percent of boys in the US try steroids before the end of high school, according to a 1988 study by professors Charles Yesalis and William Buckley, of Penn State University. The estimate es from a poll of 3,400 seniors in 46 public and private schools across the US.“Abusers of Steroids did it to improve their appearance and to excel at sports,” Professor Yesalis said. “Parents, teachers and coaches make boys believe that to be an ideal male you need to have these. Then they say: ‘you can’t play games to have fun; you play games to win.’”“Such attitudes put many high school athletes at high risk of being abusers of steroids,” said Mike Gimbel, director of Baltimore County Office of substance Abuse. “For these athletes, the pressure to perform is incredible,” he said. “It was inevitable that it would seep down to high school level.”1.The word “big-time” in Paragraph 1 most nearly means “________”.A.long timeB.good timeC.top rankD.modern2.Why are steroids even more of a threat to teenagers?A.Because they make teenagers grow too tall.B.Because they make teenagers get too big.C.Because they prevent teenagers from getting taller and taller.D.Because they give teenagers too much pressure.3.Which of the following statements is implied but not mentioned?A.School athletes have too much pressure.B.Steroids can help people have lots of muscles.C.The pressure chiefly es from parents, teachers and coaches.D.Girls are not interested in steroids.4.Which of the following is a good title for this passage?A.Drugs and SportsB.The Pressure to School Boys are Too MuchC.School Boys are Interested in DrugsD.School Athletes Risk Damage from Drugs