Ⅰ.完形填空
(2014全国课标Ⅱ)
Joe Simpson and Simon Yates were the first people to climb the West Face of the Siula Grande in the Andes mountains.They reached the top __1__， but on their way back conditions were very __2__.Joe fell and broke his leg.They both knew that if Simon __3__ alone, he would probably get back __4__.But Simon decided to risk his __5__ and try to lower Joe down the mountain on a rope(绳)．
