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2013职称英语考试模拟综合完型填空真题看点
NO.1
Singing Alarms Could Save the Blind
If you cannot see, you may not be able to1 find your way out of a burning building—and that could be fatal. A company in Leeds could change all that2_____1____ directional sound alarms capable of guiding you to the exit.
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 center for the blind in Cumbria._____4______ produce a wide range of frequencies that enable the brain to determine where 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白噪音：音响或电力嗓音 ____7____ people say sounds like static静电噪声 on the radio,” she 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 of3 a large ____8___ room. It ____9____them nearly four 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 波段of frequencies can be pinpointed 极微小的more easily than the source of a narrow band. Alarms _____13_____ 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