Mr． Jackson was our science teacher． On the first day of class， he gave us a talk about an animal called wampus． He told us that the wampus lived on earth millions of years ago during the Ice Age and died out because of the change of climate （气候）． We all listened carefully and took （1） ____ of everything he said． Later we had a（2）____．

When the exam paper was（3）____ to me， I was surprised and sad． There was a big red "X" through each of my answers． I failed． But how come？（4）____ on the test paper， I had written down （5）____ Mr． Jackson said in class．

Then I realized that no one（6）____ the exam at all． What had happened？

"Very simple，" Mr． Jackson explained． "I had made up all that story about the wampus． There had never been any such animal， so the information in your notes was not correct． Do you expect to get（7）____ marks for incorrect answers？"

There was no need to say we were（8）____． What kind of test was this？ What kind of teacher was he？

How could we believe he gave us so much information about an animal that had not been there at all？ How was it possible （9）____ us students to doubt what the teacher taught us？

"The zeros on your papers will be（10）____ in your grade books，" he said． And he did it．

Through this （11）____， Mr． Jackson hoped that we would learn something． Teachers and books are not always（12）____． In fact， no one is． He told us not to let our mind go to sleep． Instead， we should keep thinking all the time and speak up if we think there are （13）　____ in our teachers' words or in books．

We should （14）____ the habit of doubting， and the ability to decide by ourselves． What a special（15）____ he gave us!

（1）A． books	B． notes	C． supports	D． messages
（2）A． discussion	B． question	C． test	D． plan
（3）A． returned	B． directed	C． added	D． compared
（4）A． Anyway	B． Luckily	C． Anywhere	D． Bravely
（5）A． when	B． whether	C． why	D． what
（6）A． refused	B． pushed	C． passed	D． praised
（7）A． useful	B． high	C． exact	D． low
（8）A． polite	B． glad	C． modern	D． angry
（9）A． with	B． over	C． for	D． of
（10）A． recorded	B． described	C． collected	D． circled
（11）A． experience	B． notice	C． introduction	D． progress
（12）A． interesting	B． right	C． active	D． silent
（13）A． decisions	B． reasons	C． points	D． mistakes
（14）A． repeat	B． risk	C． develop	D． move
（15）A． report	B． promise	C． model	D． lesson