短文填空 阅读短文，然后在空格处写出适当的单词，单词首字母已给出。（共12个空，每做对一空共10分）
A man walked i  a doctor's examining room. "Put o___ your tongue," the doctor said. The man put out his tongue, and the doctor looked at it quickly.
"OK. There is nothing s____," the doctor said. "It's clear that what's wrong with you. You need more e______."  "But, doctor," the man said, "I don't think…"
"Don't tell me what you think," the doctor said. "I am the doctor, not you. I know what you need. I see hundreds of people like you. N_____ of them get any exercise. They sit in offices all day and in f______ of the TV in the evening. What you need is to walk quickly for at l_____ 20 minutes a day."
"Doctor, you don't understand," the patient said. "I…"
"There is no e____," the doctor said. "You must find time for exercise. If you don't, you will get fat and have health problems when you are older."
"But I walk every day," the patient said.
"Ｏh, yes, and I know what kind of walking that is. You walk a few meters to the office from your house, and a few more meters to a r______ for lunch and back.. "
"Please listen to me, doctor!" the man s____ at the doctor angrily.“I’m a mailman”the man w___ on, "and I walk for seven hours every day!"
For a moment the doctor was silent, then he said quietly, "Put your tongue out a___ will you?"