首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Singing Alarms Could Save the Blind If you cannot see, you may not be able to find your way out of a burning building -- and tha
Singing Alarms Could Save the Blind If you cannot see, you may not be able to find your way out of a burning building -- and tha
admin
2009-06-15
45
问题
Singing Alarms Could Save the Blind
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(51)directional sound alarms capable of guiding you to the exit.
Sound Alert, a company(52)the University of Leeds, is installing the alarms in a residential home for(53)people in Sommerset and a resource centre for the blind in Cumbria.(54) produce a wide range of frequencies that enable the brain to determine where the(55)is coming from.
Deborah Withington of Sound Alert says that the alarms use most of the frequencies that can be(56) by humans. "It is a burst of white noise(57)people say sounds like static 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 of a large(58)room. It(59)them nearly four minutes to find the door(60)a sound alarm, but only 15 seconds with one.
Withington studies how the brain(61)sounds at the university. She says that the(62) of a wide band of frequencies can be pinpointed more easily than the source of a narrow band. Alarms(63)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(64)down stairs. They were(65)with the aid of a large grant from British Nuclear Fuels.
选项
A、processes
B、produces
C、possesses
D、proceeds
答案
A
解析
选项B、C和D显然是错误的,因为词义不符。只有选项A是答案。句子的意思是, Withington在她的大学里研究大脑如何处理声音。
转载请注明原文地址:https://jikaoti.com/ti/onOsFFFM
本试题收录于:
职称英语理工类基础题库职称英语分类
0
职称英语理工类基础
职称英语
相关试题推荐
Themakingofweathervanesdevicesfixedonthetopofbuildingstoshowdirectionsofthewindisanancientskill,goingback
Themakingofweathervanesdevicesfixedonthetopofbuildingstoshowdirectionsofthewindisanancientskill,goingback
CementwasseldomusedinbuildingduringtheMiddleAges.
Heissureofahouse-buildingboomafterthenewinvestmentpoliciesareputintopractice.
Thecityhasdecidedtodoawaywithalltheoldbuildingsinitscenter.
ThiskindofmaterialwasseldomusedinbuildinghousesduringtheMiddleAges.
Thecityhasdecidedtodoawaywithalltheoldbuildingsinitscenter.
随机试题
下列体现中华民族奉献精神的是()
下列各项中,属于湿淫证表现的是
A.麦粒肿B.沙眼C.热性疱疹D.急性卡他性结膜炎E.急性传染性结膜炎
早产儿,生后4小时内出现进行性呼吸困难,伴呼气性呻吟,面色青灰,X线胸片示:两肺普遍透明度减低。此患儿最可能是
以下关于利用工业固体废物的说法,符合《固体废物污染环境防治法》的是( )。
设备工程设计监理的基本任务是( )设备工程项目及其设备在设计上适用、可靠、经济。
从经济学的角度讲,“套利”是指人们利用同一资产在不同市场间定价不一致,通过资金的转移而实现无风险收益的行为。( )
通货膨胀可以按其成因分为很多类型,()所引发的通货膨胀称为需求拉上型通货膨胀。
()是指心理活动表现在强度、速度、稳定性和灵活性等方面的心理特征
Statusesaremarveloushumaninventionsthatenableustogetalongwithoneanotherandtodeterminewherewe"fit"insociety.
最新回复
(
0
)