超声诊断先天性肥厚性幽门狭窄的标准，正确的是（）。 A.幽门壁厚度为0.3～0.5c

Peter was the best table tennis player in his school and hardly ever lost a match. He hated losing anything. 小题1:______ If he lost, he would feel terrible. It seemed to Peter that losing was the worst thing in the world.
A new kid, Albert, came to Peter’s school. He was good at table tennis, too.
小题2:______ Peter worked hard to get ready for the match, but Albert didn’t seem to think much of it. When the match began, Albert was a real player. There was always a smile on his face, while Peter looked serious all the time. Peter thought it was so important to win the match that he even wanted to cheat, but he lost in the end.
“You played very well, Peter. I think we can play again sometime,” said Albert. But Peter didn’t feel happy and couldn’t fall asleep that night.
One day, Peter saw Albert playing basketball. Though he lost again and again, the happy smile never left his face. Peter found Albert was great at table tennis but bad at basketball. 小题3:______
Whether he won or lost the game, Albert enjoyed it. Peter came to realize that enjoying a game was much more important than winning or losing it. 小题4:______

A. However, he enjoyed both of them. B. So he felt happier than ever before. C. Peter and Albert were good at swimming. D. When he won, he would feel really good. E. Soon there would be a match between Peter and Albert.