两个人做人爱视频免费,97久久精品人人搡人妻人人玩,欧洲精品码一区二区三区,999zyz玖玖资源站永久

我要投稿 投訴建議

職稱英語完型填空專項練習題

時間:2021-02-01 17:16:35 職稱英語 我要投稿

職稱英語完型填空專項練習題

  If you cannot see, you may not be able to find your way out of a burning building-and that could be fatal. A company in Leeds could change all that__1__ directional sound alarms capable of guiding you to the exit.

職稱英語完型填空專項練習題

  Sound Alert, a company__2__ the University of Leeds, is installing the alarms in a residential home for__3__ people in Sommerset and a resource centre for the blind in Cumbria.__4__produce a wide range of frequencies that enable the brain to determine the __5__ is coming from.

  Deborah Withington of Sound Alert says that the alarms use most of the frequencies that can be __6__ by humans. "It is a burst of white noise__7__ people say sounds like static on the radio," he says. "Its life-saving potential is great"She conducted an experiment in which people were filmed by thermal-imaging cameras trying to find their way out of a large__8__ room. It__9__ them nearly our minutes to find the door__10__ a sound alarm, but only 15 seconds with one.

  Withington studies how the brain__11__ sounds at the university. She says that the __12__ of a wide band of frequencies can be pinpointed more easily than the source of a narrow band. Alarms__13__ on the same concept have already been installed on emergency vehicles.

  The alarms will also include rising or falling frequencies to indicate whether people should go up__14__ down stairs. They were__15__ with the aid of a large grant from British Nuclear Fuels.

  1. A) without    B)with    C)having    D)selling .

  2. A) run by     B)changed by    C) decorated by   D)criticized by .

  3. A) slow    B)deaf    C)blind    D)lame.

  4. A) Alarms    B) Alarm    C) The alarm   D) The alarms.

  5. A) noise   B) sound   C) music   D) bell .

  6. A) watched   B) produced   C) learnt   D) heard .

  7. A) where  B) what   C) that   D) how.

  8. A) smoked   B) smoke-filled   C) filled with smoke   D) smoke-filling .

  9. A) has taken   B) takes   C) took   D) will take.

  10. A) on   B) near   C) without   D) from.

  11. A) processes   B) produces   C) possesses   D) proceeds .

  12. A) feature   B) quality   C)diagram   D) source .

  13. A) basis on   B) base on   C) basing on   D) based on .

  14. A) or   B) and   C) but   D) otherwise .

  15. A) developed   B) determined   C) discovered   D) delivered .

  答案:1~5 BACDB   6~10 DCBCC   11~15 ADDAA

【職稱英語完型填空專項練習題】相關文章:

2018考研英語完型填空專項練習題10-10

職稱英語完型填空真題練習01-01

職稱英語考試完型填空試題練習01-03

公共英語完型填空專項試題及答案04-09

職稱英語全球變暖完型填空練習及答案01-02

考研英語完型填空練習題(帶答案)10-02

中考英語完型填空技巧06-12

考研英語大綱完型填空分析03-07

考研英語完型填空高分秘訣02-28

主站蜘蛛池模板: 兴海县| 忻州市| 新邵县| 疏勒县| 吴忠市| 宿松县| 时尚| 邯郸县| 昆明市| 镇远县| 永城市| 廉江市| 洛川县| 青海省| 新安县| 中牟县| 汝南县| 电白县| 常熟市| 若尔盖县| 岳西县| 社会| 乳源| 镇坪县| 贞丰县| 青海省| 都昌县| 辉南县| 永和县| 莫力| 桐梓县| 英德市| 横峰县| 张家界市| 太仆寺旗| 寿阳县| 奉节县| 怀集县| 青铜峡市| 房产| 乌拉特中旗|