吉林省四平市2014高考英语阅读理解巩固全程训练（13）及答案
阅读理解(共20小题；每小题2分，满分40分)
阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。
【广东省高三考前冲刺卷(二)】A
In the past decade the popularity of rock climb ing has greatly increased，and so has the number of injuries.It has been estimated that rock climbing is now enjoyed by more than 9 million people in the US each year.Study findings revealed a 65 percent increase in the number of patients that were treated in US emergency departments for rock climbingrelated injuries between 1991 and 2008.
The study，publish ed in the online issue of the American Journal of Preventive Medicine，found that about 40,000 patients were treated in US emergency departments for rock climbingrelated injuries between 1991 and 2008.The most common types of rock climbingrelated injuries were fractures (骨折) and sprains (扭伤)．The ankle was the most common body part to be injured (40 percent)．Climbers in the study ranged in age from 2 to 74，with an
