完形填空。 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 _ 1 7 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. (     )1. A. took (     )2. A. class (     )3. A. platform (     )4. A. benefit (     )5. A. heart (     )6. A. trouble (     )7. A. angrily (     )8. A. smiling (     )9. A. active (     )10. A. sound (     )11. A. fascinating (     )12. A. gesture (     )13. A. strange (     )14. A. taught (     )15. A. decorated (     )16. A. clearer (     )17. A. discussing (     )18. A. joy (     )19. A. work (     )20. A. hard B. divided B. test B. pillow B. help B. mind B. noise B. carelessly B. talking B. curious B. shock B. convincing B. sense B. natural B. spread B. filled B. smarter B. speaking B. speed B. life B. complex C. stayed C. task C. carpet C. last C. thought C. failure C. deliberately C. complaining C. present C. interruption C. puzzling C. humor C. handy C. combined C. left C. quieter C. cheating C. aim C. journey C. short D. put D. lecture D. wall D. hurt D. head D. incident D. accidentally D. shouting D. awake D. blow D. encouraging D. design D. alive D. started D. entered D. stronger D. sleeping D. determination D. college D. simple