单项选择题

案例分析题

I have thousands of classes since I started school rune years ago．But only one （51）was the most important．
It happened Iast term just after I had got a （52）result in an exam．l was sad and had lost my confidence．l decided to go to a class which can tell me how to be （53）．
The speaker walked into the room．But he did not start talking like a teacher．Instead，he held up a twenty yuan note（钞票）!
’Who wants this？’he asked．（54）0f’us in the class put up our hands．
He smiled．Then he put up the note on the blackboard and asked the same question．A-gain，we all put up our hands．He smiled again but said （55）．Suddenly，he threw the note on-to the floor!Then he asked the same question a （56）time．
I didn’t understand what the speaker was doing．Why was he asking the same question a-gain and again？I wanted the note，（57）I put my hand up again．After a while，he （58）the note and started to laugh．’You have all just told me how to become successful．’
’The note is worth（价值）20yuan．It is （59）worth 20yuan，even though I threw it on the floor．You are like the note．Whatever happens to you，you still have your worth．
Suddenly I （60）I was worth a lot．l may have done poorly in an exam，but it doesn’t mean I can’t do well in the future．If I believe in myself，l will be successful!

51．（）