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　　The moment happened 30 yours ago but it was still fresh in my memory．I was a college freshman and had 　　1　　 up most of the night before laughing and talking with friends．Now just before my first 　　2　　 of the day my eyelids were feeling heavier and heavier and my head was drifting down to my desk to make my textbook a 　　3　　．A few minutes nap(小睡)time before class couldn't 　　4　　, I thought．

　　BOOM! I lifted my head suddenly and my eyes opened wider than saucers．I looked around with my 　　5　　 beating wildly trying to find the cause of the 　　6　　．My young professor was looking at me with a boyish(孩子气的)smile on his face．He had 　　7　　 dropped the textbooks he was carrying onto his desk．“Good morning!”, he said still 　　8　　．“I am glad to see everyone is 　　9　　．Now let's get started．”

　　For the next hour I wasn't sleepy at all．It wasn't from the 　　10　　 of my professor's textbook alarm clock either．It was instead from the 　　11　　 discussion he led．With knowledge and good 　　12　　 he made the material come 　　13　　．His insight was full of both wisdom and loving-kindness．And the enthusiasm and joy that he 　　14　　 with were contagious(有感染力的)．I 　　15　　 the classroom not only wide awake, but a little 　　16　　 and a little better as well．

　　I learned something far more important than not 　　17　　 in class that day too．I learned that if you are going to do something in this life，do it well，do it with 　　18　　．What a wonderful place this would be if all of us did our work joyously and well．Don't sleepwalk(梦游)your way through 　　19　　 then．Wake up! Let your love fill your work．Life is too 　　20　　 not to live it well．

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