完形填空 It was at a concert that I happened to find David. He was holding his head at a strange _1 as if he were staring down at something. Then the truth __ 2 _ me. He was blind. The last thing he remembers seeing was his daughter being born. Then the whole world went __3_ . Bad luck is no stranger to this 44-year-old man. His mother died of cancer, and his weak father had to __ 4_ 11-year-old David to the __ 5 _ of the state. Things seemed always to go for _6_ . Two years ago, his beloved guide dog pulled him out of the path of a truck. David was not __ 7 _ . The dog died. But David does not feel sorry for himself. 'These are just little obstacles(障碍困难) you have to _ 8_ in your life,' he said. He has to make a daily two-hour trip to his working place-the X-ray department of an __9_ room. It was a hard job to _10_ by. Before he got it, David was determined to escape the workshop run by the Lighthouse, an organization _ 11_ to helping blind people. He wanted a job of developing X-ray film, a job _12_ everyone, not just he, must work in the dark, including those with __13_ eyesight. The Lighthouse called many hospitals, with no result, __14__ they offered to pay his first three months' salary. David works alone in a dark room that _ 15_ of chemicals. He doesn't wear gloves. Otherwise, he could not feel. _16_ this is an emergency room, lives can be put either _17_ or out of danger. His director says he trusts him 100 percent. He makes $20,000 a year. But his motivation goes 18_ money. 'By working I can realize my own 19_ . That's what really counts!' he said. What a shining example for us to 20 ! (     )1. A.angle(角度) (     )2. A.stuck to (     )3. A.blank (     )4. A.give in (     )5. A. attention (     )6. A.better (     )7. A.hurt (     )8. A.experiment (     )9. A.upstairs (     )10. A.come (     )11. A.intended (     )12. A.that (     )13. A.average (     )14. A.because (     )15. A.consists (     )16. A.If (     )17. A.at risk (     )18. A.into (     )19. A.disadvantage (     )20. A.set B. direction B. came out B. darkness B. look after B. care B. worst B. wound B. get over B. information B. pass B. aimed B. where B. common B. as if B. smells B. Although B. in need B. beyond B. blindness B. take C. manner C. struck C. wrongly C. leave C. worry C. the better C. damaged C. do with C. emergency C. go C. offered C. which C. normal C. in case C. tastes C. Since C. at ease C. for C. purpose C. give D. way D. occurred D. emptiness D. remain D. control D. the worse D. ruined D. go over D. underground D. stand D. devoted D. how D. poor D. even though D. makes D. When D. to test D. over D. value D. follow