完形填空 In our discussion with people on how education can help them succeed in life, a woman remembered the first meeting of an introductory __ 1 __ course about 20 years ago. The professor __ 2 __ the lecture hall, placed upon his desk a large jar filled with dried beans (豆), and invited the students to __ 3 __ how many beans the jar contained.After __ 4 __ shouts of wildly wrong guesses the professor smiled a thin, dry smile, announced the __ 5 __ answer, and went on saying, 'You have just __ 6 __ an important lesson about science. That is: Never __ 7 __ your own senses.' Twenty years later, the __ 8 __ could guess what the professor had in mind. He __ 9 __ himself, perhaps, as inviting his students to start an exciting __ 10 __ into an unknown world invisible (无形的) to the __ 11 __ , which can be discovered only through scientific __ 12 __. But the seventeenyearold girl could not accept or even __ 13 __ the invitation. She was just __ 14 __ to understand the world. And she __ 15 __ that her firsthand experience could be the __ 16 __ .The professor, however, said that it was __ 17 __. He was taking away her only __ 18 __ for knowing and was providing her with no substitute (替代). 'I remember feeling small and __ 19 __ , ' the woman says, 'and I did the only thing I could do. I __ 20 __ the course that afternoon, and I haven't gone near science since.' (     )1. A. art (     )2. A. searched for (     )3. A. count (     )4. A. warning (     )5. A. ready (     )6. A. learned (     )7. A. lose (     )8. A. lecturer (     )9. A. described (     )10. A. voyage (     )11. A. professor (     )12. A. model (     )13. A. hear (     )14. A. suggesting (     )15. A. believed (     )16. A. growth (     )17. A. firm (     )18. A. task (     )19. A. cruel (     )20. A. dropped B. history B. looked at B. guess B. giving B. possible B. prepared B. trust B. scientist B. respected B. movement B. eye B. senses B. make B. beginning B. doubted B. strength B. interesting B. tool B. proud B. started C. science C. got through C. report C. turning away C. correct C. taught C. sharpen C. speaker C. saw C. change C. knowledge C. spirit C. present C. pretending C. proved C. faith C. wrong C. success C. frightened C. passed D. math D. marched into D. watch D. listening  to D. difficult D. taken D. show D. woman D. served D. rush D. light D. methods D. refuse D. waiting D. explained D. truth D. acceptable D. connection D. brave D. missed