and waited for a _____13_____ that never came. Days turned into weeks. It was urgent to find a way to ___14___ . Three of the passengers-Canessa, Parrado, and Vizintin-volunteered to ____15____ through the mountains to search for help. When they left, each man wore similar clothes: three pairs of socks, a plastic bag ____16____ each foot to keep the water out, boots, four pairs of trousers, and four sweaters. Many of the clothes came from those who had died in the crash. The three men ___17___ that they would survive and bring back help.

　　For part of the first day, they were glad to make some _____18_____ . But as the land and weather changed, climbing became _____19_____ . After several days, they reached what they thought was the top. They had _____20_____ this moment for days. On the other side of the top, they hoped, would be a ___21___ leading down and out of the mountains. However, they saw the same snow-covered tops. All hope wasn't ____22____. Although they were still in the middle of the mountains, Parrado _____23_____ two low tops far away that didn't have snow. If they could get there, they would be out of the Andes.

　　Within the following days they walked toward the two low tops. Little by little, the landscape began to change. Snow ____24____ completely, and flowers were everywhere. "This is the valley," Canessa said. "This is the way ______25______ ." Then things of humanity started to appear-a few cans on the ground, some farm animals in a field. By December 21, the extremely _____26_____ men made it to the town of Los Maitenes, and a rescue team was sent immediately to _____27_____ for the survivors who were still high in the Andes.

　　Finally all of the remaining survivors were _____28_____ . The memories of the crash in the Andes would be with the friends forever, but for now, their terrible _____29_____ was over. They had made it out-____30____ .

11. A. learned B. managed C. decided D. expected

12. A. stayed B. looked C. turned D. reached

13. A. present B. danger C. message D. rescue

14. A. prepare B. continue C. escape D. develop

15. A. journey B. compare C. measure D. expand

16. A. against B. under C. beside D. around

17. A. admitted B. promised C. informed D. demanded

18. A. policy B. help C. progress D. advice