Still, each year, according to the American College of Sports Medicine, more than 775, 000 children under 14 are treated in emergency rooms for sports injuries, nearly half of them preventable. An estimated 300,000 athletes experience exercise-related head illnesses each year, and al most all of them should have been avoided.
Further, from half to three-fourths of sports-related concussions(脑震荡) are never even diagnosed; the injured are often sent back to play too soon and put at risk of another more serious brain-damaging concussion. To help reduce these risks, the National Center for Sports Safety, with the National Athletic Trainers’ Association, offers a three-hour online safety course for coaches for $28 at www. SportsSafety. Org.
48. Which of the following is true according to the passage?
A. All the accidents can be prevented. B. All the accidents cannot b e prevented.
C. Lives can be saved so long as there is proper equipment.
D. Lives cannot be saved even if there is proper equipment.
49. What does the underlined word “hazards (in Paragraph 2)
A. Mistakes. B. Diseases. C. Dangers. D. Situations.
50. It is implied in the passage that _____________.
A. prevention of injuries is not paid enough attention to
B. children under 14 are more easily hurt in sports
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