题目内容：

Survival in the Andes

On October 13, 1972, a small plane flying to Chile accidentally crashed into a mountain in the Andes. How some of the passengers __ to live is one of the greatest survival stories ever told.

The survivors  ___ inside the remains(残骸)of the plane, using seat covers for blankets, and waited for a ___  that never came. Days turned into weeks. It was urgent to find a way to __ . Three of the passengers— Canessa, Parrado, and Vizintin—volunteered to ____ through the mountains to search for help. When they left, each man wore similar clothes: three pairs of socks, a plastic bag around each foot to ___ the water out, boots, four pairs of trousers, and four sweaters. The three men ____that they would survive and bring back help.

For part of the first day, they were glad to make some __  . But as the land and weather changed, climbing became ___ . After several days, they reached what they thought was the top. They had ___ this moment for days. On the other side of the top, they hoped, would be a __ leading down and out of the mountains. However, they saw the same snow–covered tops. All hope wasn’t ___. Although they were still in the middle of the mountains, Parrado ___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. Snow___ completely , and flowers were everywhere . “This is the valley,” Canessa said.   “This is the way___ .” Then things of humanity started to appear—a few cans on the ground, and some farm animals in a field. By December 21, the extremely __ men made it to the town of  Los Maitenes, and a rescue team was sent immediately to __ for the survivors who were still high in the Andes.

Finally all of the remaining survivors were __. Their terrible __ was over. They had made it out— ___.

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

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

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

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

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

6.A.give B.bring C.take D.keep

7.A.admitted B.promised C.informed D.reminded

8.A.policy B.help C.progress D.advice

9.A.narrower B.heavier C.sharper D.tougher

10.A.imagined B.arranged C.witnessed D.appreciated

11.A.court B.valley C.border D.channel

12.A.sent B.left C.lost D.woken

13.A.spotted B.counted C.rejected D.mentioned

14.A.declined B.froze C.spread D.disappeared

15.A.behind B.out C.apart D.off

16.A.tired B.disappointed C.frightened D.puzzled

17.A.fight B.call C.search D.ask

18.A.listed B.treated C.picked D.saved

19.A.performance B.experience C.challenge D.exploration

20.A.free B.cool C.alive D.crazy