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n a trip. Take plenty of exercise. Try to 8 your weight. Avoid (避免 ) eating rich food. Mr. Black went to Switzerland. He did not know French or German, and had to 9 himself through gestures. He attended a physical training course. The instructor( 指導(dǎo)者 ) 10 him bend his knees, swing his arms, stretch his neck and shake his 11 .He had to lie on the ground and 12 his right and left legs in 13 After a time his muscles grew hard and firm. He almost14 aside his financial(金融的 ) worries and nearly fot the importance of 15 more money. He even began to 16ndividual trees and individual birds. He ate and slept well. 17he returned home. But unfortunately his18 d not 19 ong. Soon he was a normal businessman again, worried about his property, his profits, his savings, his success in a petitive society, and things in 20 1. A. good B. interested C healthy D satisfied 2. A. suit B. taste C. agree D. fit 3. A. great deal B. number D. few 4.