题目内容：
阅读短文，从中选出正确答案。A young man (Example: 0 ) going to join the army (军队) and had to 11 a medical examination. The doctor was sitting at a desk when he came in. He said to the man, “Take your coat and shirt off and 12 on that chair. ”
The young man did so. The doctor looked at him for a moment without 13 up from his chair and then said, “All fight. Put your clothes on again. ”
“But you haven't examined me at all!” the young man said in 14 .
“There is no need to do so,”the doctor said with a 15 .
“When I 16 you to take your coat and shirt off, you heard me all fight, so there is nothing wrong with your 17 You saw the chair, so your eyes are 18 . You could take your clothes off and sit on the chair, so you must be in good health. And you understand what I told you to do and did it without a 19 , so you 20 healthy enough for the army”.
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