A blind man was describing his favorite sport,parachuting(跳伞).When asked how this was accomplished,he said that things were alldone for him:“I am placed in the door with my seeing-eye dog andtold when to jump.My hand is placed on my release ring for me andout I go with the dog.”“But how do you know when you are going to land?”he wasasked.“I have a very keen sense of smell,and I can smell the trees and grass when I am 300 feet from theground,”he answered. A blind man was describing his favorite sport, parachuting (parachuting) .When asked how this this accomplished, he said that things were alldone for him: “I am placed in the door with my seeing-eye dog andtold when to jump. My ”“ But how do you know when you are going to land? ”he wasasked. “ I have a very keen sense of smell, and I can smell the trees and grass when I am 300 feet from the ground, ”he answered.