女，50岁。下前牙松动1年。检查
松动Ⅰ度，牙石（+++），牙龈退缩3mm，探诊深度4mm。全口其他牙结石（++），牙龈缘及 * * 暗红，探诊（+）血，探诊深度普遍5～6mm，有附着丧失。最可能的诊断为（）
A.龈 * * 炎
B.成人牙周炎（慢性牙周炎）
C.慢性龈缘炎
D.牙周牙髓联合病变
E.快速进展性牙周炎（广泛型侵袭性牙周炎）
参考答案：B
解析：该患者有附着丧失，故为牙周炎而非牙龈炎，排除A、C。未提及牙髓状况故不能诊断为牙周牙髓联合病变，排除D。患者年龄已为50岁，且松动牙仅为下前牙，病程进展较慢，故排除E。综上选B。
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| Mr and Mrs Moore were invited to a Christmas party at a hotel one year. They 1 their car outside and went in. Mr Moore had never got drunk (醉) before, so he was 2 not to drink too much, 3 his friends asked him to drink more 4 . During the party, Mrs Moore found that she had 5 to bring her bag, so she asked her husband to go out to the car and 6 it for her. He 7 so, but on his way back to the hotel gate,he heard a car horn (喇叭) blowing near his own car. He thought 8 might be in need of help and went over to the car with the 9 . He found a small black bear sitting in the driving-seat and blowing the horn. When Mr Moore 10 the party, he told several people about the bear, but of course they did not believe him and thought he was drunk. When he took them out of the hotel to 11 that his story was 12 , he found that the car with the 13 in it had gone. There were so many 14 about Mr Moore's black bear during the next week that he at last put an advertisement (广告) in the newspaper; "If anyone saw a black bear blowing the horn in a car outside the Century Hotel 15 the evening of Christmas Day, please tell…" Two days later 16 Mrs Richards called him and said that she and her husband had left their pet (宠物) bear in their car outside the Century Hotel for a few minutes that evening, and that 17 he had blown the horn. Mrs Richards did not 18 to think there was anything 19 about that."Our bear likes blowing car horns," she said, "and we don't 20 when we are not driving the car." |
| ( )1. A. pulled ( )2. A. polite ( )3. A. whether ( )4. A. all along ( )5. A. learned ( )6. A. buy ( )7. A. said ( )8. A. one ( )9. A. noise ( )10. A. was sent to ( )11. A. show ( )12. A. interesting ( )13. A. horn ( )14. A. laughs ( )15. A. for ( )16. A. the ( )17. A. quickly ( )18. A. mean ( )19. A. useful ( ) 20. A. agree | B. stayed B. careful B. until B. once again B. known B. get B. went B. someone B. voice B. was seated at B. notice B. correct B. bear B. shouts B. at B. a B. completely B. have B. strange B. like | C. left | D. hid D. afraid D. though D. for ever D. forgotten D. return D. thought D. the bear D. shout D. got back to D. promise D. exciting D. driving-seat D. calls D. on D. some D. almost D. seem D. bad D. worry |