本讲目标新题赏析题一： 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 21 , but on their way back conditions were very 22 . joe fell and broke his leg. they both knew that if simon 23 alone, he would probably get back 24 . but simon decided to risk his 25 and try to lower joe down the mountain on a rope(绳). as they 26 down, the weather got worse. then another 27 occurred. they couldn’t see or hear
