天津完形 Cl004・2012 完形填空

阅读下面短文，掌握其大意，然后从16～35各题所给出的A.B.C.D四个选项中选出最佳选项。

I fell in love with Yosemite National Park the first time I saw it, when I was 13. My parents took us there for camping. On the way out, I asked them to wait while I ran up to El Capitan, a 16 rock of 3,300 feet straight up. I touched that giant rock and knew 17 I wanted to climb it. That has been my life’s passion (钟爱) ever since 18 the rocks and mountains of Yosemite. I’ve long made Yosemite my 19.

About 15 years ago I started seeing a lot of 20, like toilet paper, beer cans, and empty boxes, around the area. It’s 21 me why visitors started respecting the place 22 and treated such a beautiful home-like place this way.

I tried 23 trash (垃圾) myself, but the job was too big. I would 24 an hour or two on the job, only to find the area trashed all over again weeks later. Finally, I got so 25 it that I decided something had to change.

As a rock-climbing guide, I knew 26 about organizing any big event. But in 2004, together with some climbers, I set a date for a 27. On that day, more than 300 people 28. Over three days we collected about 6,000 pounds of trash. It was amazing how much we were able to 29 I couldn’t believe the 30 we made the park looked clean!

Each year volunteers come for the cleanup from everywhere. In 2007 alone, 2,945 people picked up 42,330 pounds of trash and 31 132 miles of roadway.

I often hear people 32 about their surroundings. If you are one of them, I would say the only way to change things is by 33 rather than complaining. We need to teach by 34. You can’t blame others 35 you start with yourself.