Ⅰ.完形填空
[2015·云南师大附中适应考试]Visitors to the dry, hot Sonoran Desert of the southern Arizona and northern Mexico are amazed at the manyarmed giants. They are the saguaro cacti (树形仙人掌), a giant which gives the landscape its __1__ appearance. In the dry desert the saguaro cacti can live for more than 200 years, grow to a __2__ of 60 feet, and have as many as 50 arms.
