1 . 阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
Zhangye National Geopark, which 1 (lie) in Northwest China’s Gansu Province, is blessed with a splendid Danxia landform area 2 (cover) about 1,289 square kilometers. The Danxia landforms are 3 masterpiece of nature. The colorful mountain ridges are just like an overturned palette from heaven. Bands of fiery red, creamy orange, rich green and bright yellow streak across the mountain, forming 4 is known as the most beautiful rainbow mountain.
The beautiful landscapes 5 (create) by sandstone and minerals piling on top of one another over the years due to tectonic plate movements. Wind, rain, and time then carved the rock formations and rolling hills into 6 (vary) extraordinary shapes, including towers, pillars and valleys.
7 (declare) a UNESCO World Heritage site in 2010 and a national park in 2011, the landform has become a top tourist 8 (attract). The park features a series of boardwalks that allow visitors to walk around the colorful sandstone landscapes. There are viewing platforms 9 (special) designed, enabling tourists to get close to the hills and feast their eyes on the magnificent sights without damaging the fragile ecosystem. Shuttle bus service is available, making 10 easy for tourists to get around the park.