语法填空
Many people have been taking out (they)hiking boots (登山鞋)since the publication of Cheryl Strayed ' s best﹣selling Wild, 100﹣ mile hike along the Pacific Crest Trail (PCT)from California .Washington.Hiking is now the fourth most popular outdoor activity in the U.S., after running, fishing and biking.
It's not just the PCT (mention)in detail in Strayed's book that is attracting hikers.Members ( represent )all 11 of the country's National Scenic Trails, of which the PCT is one
Trail experts say until now no reliable study has been conducted(determine )why hiking has enjoyed great (popular)over the last few years.But many do believe there's a link between Wild the increasing number of people going hiking.
In addition to the (power )effect of Wild, some believe hiking is becoming more popular because more people are discovering the nation's various trail systems and learning about long﹣distance hiking.Besides, (recent), people are putting a lot more value on experiences than on money.This cultural hit has certainly played big part in it.