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  3. Why Do Many Female Athletes Fall Victim to Knee Injuries? Rebecca Lobo, a basketball star, grabbed a rebound during the first

Why Do Many Female Athletes Fall Victim to Knee Injuries? Rebecca Lobo, a basketball star, grabbed a rebound during the first

admin2009-06-15  90
问题                    Why Do Many Female Athletes Fall Victim to Knee Injuries?
   Rebecca Lobo, a basketball star, grabbed a rebound during the first seconds of game in June 1999.  (1)  . A pain shot from her knee and drove Lobo to the floor. Tests revealed that Lobo had tom her anterior cruciate (十字的,交叉的) ligament (韧带), or ACL, resulting in the end of her play for the season.  (2)  .
   Lobo, perhaps the most recognized player in the United States, is one of a growing number of female athletes suffering ACL injuries. Experts say that female athletes in middle school, high school, college and professional sports may be eight times as likely as male athletes to experience ACL injury.
     (3)  . Why are so many female athletes falling victim to ACL injuries?
   Sports physicians say one reason is the growing number of females involved in high-impact sports, such as soccer and basketball. Jeff Bauer, a biochemist, however, thinks bone size plays a key role. He examined the knee joints of skeletons of 200 humans who had died at an early age.
   Studies of the skeletons of 100 males and 100 females showed in measurement after measurement that the bones making up a female’s knee are smaller than those of a male of the same size. Smaller bone surfaces may lead to an increase in stress placed on the ACL during sharp movements, such as turning, jumping, or stopping.
   Bauer thinks the size difference may be the primary reason that females injure their knees more often than males do with the same amount of training and experience. "Now, that’s not bad, "adds Bauer, "and it’s not good. It’s just different."
   Following the knee injury, Lobo underwent surgery.  (4)  . After the surgery, the patient needs months of physical therapy to strengthen the knee muscles and ligaments. Eight months after having knee surgery, the patient still needs to exercise her knee every day.
     (5)  . They also recommend that players do stretching exercises before a game or a practice to help keep the knees flexible and more able to withstand stress during play.

    A. When she landed, she tried to stand firm but couldn’t.
    B. One of the more common techniques used to repair a torn ACL involves replacing the entire ligament.
    C. Sports injury experts say knee exercises may help protect knees from ACL injury.
    D. Practice before and after a game is a good way to avoid injuries to knees.
    E. Thousands of female athletes have suffered a fate similar to Rebecca’s.
    F. The ACL is a short band of tissue that keeps the knee stable during movement.
选项
答案C
解析 空格后面出现了“他们也建议”，因此判断C是答案。
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