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【C1】______, but on their way back conditions were very【C2】______Joe fell and broke his leg. They both knew that if Simon【C3】______alone, he would probably get back【C4】______But Simon decided to risk his【C5】______and try to lower Joe down the mountain on a rope(绳). As they【C6】______down, the weather got worse. Then another【C7】______occurred. They couldn't see or hear each other and, 【C8】______, Simon lowered his friend over the edge of a precipice(峭壁). It was【C9】______for Joe to climb back or for Simon to pull him up. Joe's【C10】______was pulling Simon slowly towards the precipice. 【C11】______, after more than an hour in the dark and the icy cold, Simon had to【C12】______In tears, he cut the rope. Joe【C13】______into a large 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【C14】______to get out of the crevasse and started to【C15】______towards their camp, nearly ten kilometers【C16】______ Simon had【C17】______the camp at the foot of the mountain. He thought that Joe must be【C18】______ but he didn't want to leave【C19】______. Three days later, in the middle of the night, he heard Joe's voice. He couldn't【C20】______it. Joe was there, a few meters from their tent, still alive.
单选题
【C21】
【正确答案】
C
【答案解析】解析：根据此句中的“on their way back”可知，他们成功地登上了山顶。故答案选C。
单选题
【C22】
【正确答案】
A
【答案解析】解析：由下一句“Joe fell and broke his leg”可知，回去路上的情况是很糟糕的。