题目内容：

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 ________，but on their way back conditions were very ________. Joe fell and broke his leg. They both knew that if Simon ________alone，he would probably get back __________. But Simon decided to risk his________and try to lower Joe down the mountain on a rope.

As they_____down，the weather got worse. Then another _______occurred. They couldn't see or hear each other and，________，Simon lowered his friend over the edge of a precipice（峭壁）. It was________ for Joe to climb back or for Simon to pull him up. Joe's ________ was pulling Simon slowly towards the precipice. ________，after more than an hour in the dark and the icy cold，Simon had to _________. In tears，he cut the rope. Joe ______ into a huge crevasse（裂缝） in the ice below. He had no food or water and he was in terrible pain. He couldn't walk，but he __________to get out of the crevasse and started to _________ towards their camp，nearly ten kilometers ________.

Simon had __________the camp at the foot of the mountain. He thought that Joe must be ________，but he didn't want to leave ________. Three days later，in the middle of the night，he heard Joe's voice. He couldn't ________ it. Joe was there，a few meters from their tent，still alive.

1.A. hurriedly    B. carefully    C. successfully    D. early

2.A. difficult    B. similar    C. special    D. normal

3.A. climbed    B. worked    C. rested    D. continued

4.A. unwillingly    B. safely    C. slowly    D. regretfully

5.A. fortune    B. time    C. health    D. life

6.A. lay    B. settled    C. went    D. looked

7.A. damage    B. storm    C. change    D. trouble

8.A. by mistake    B. by chance    C. by choice    D. by luck

9.A. unnecessary    B. practical    C. important    D. impossible

10.A. height    B. weight    C. strength    D. equipment

11.A. Finally    B. Patiently    C. Surely    D. Quickly

12.A. stand back    B. take a rest    C. make a decision    D. hold on

13.A. jumped    B. fell    C. escaped    D. backed

14.A. managed    B. planned    C. waited    D. hoped

15.A. run    B. skate    C. move    D. march

16.A. around    B. away    C. above    D. along

17.A. headed for    B. traveled to    C. left for    D. returned to

18.A. dead    B. hurt    C. weak    D. late

19.A. secretly    B. tiredly    C. immediately    D. anxiously

20.A. find    B. believe    C. make    D. accept