首页
财务会计
医药卫生
金融经济
考公考编
外语考试
学历提升
职称考试
建筑工程
IT考试
其他
登录
职称考试
下面的短文有 15 处空白,请根据短文内容为每处空白确定 1 个最佳选项。 Singing Alarms Could Save the Blind ...
下面的短文有 15 处空白,请根据短文内容为每处空白确定 1 个最佳选项。 Singing Alarms Could Save the Blind ...
admin
2020-12-24
33
问题
下面的短文有 15 处空白,请根据短文内容为每处空白确定 1 个最佳选项。
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 __________ (1) alf that with directional (定向的)sound alarms capable of guiding you to the exit.
Sound Alert, a company run ___________ (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. The alarms produce a ____________ (4 ) range of frequencieis that enable the brain to (5) where the sound is coming from.
Deborah Withington of Sound Alert says that the alarms use most of the frequencies that can be______ (6) by humans. a It is a burst of white noise that people say sounds like static (静电噪声)on the radio, ” she says. “ Its life-saving potential is (7).”
She conducted an experiment in which people were filmed by thermal-imaging (热效应成像) cameras trying to find their ___________ (8) out of a large smoke-filled room. It (9) them nearly four minutes to find the door without a sound alarm, (10) 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 (精确地确定)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 (14) whether people should go up or down stairs. They were ______ (15) with the aid of a large grant from British Nuclear Fuels.
(9)
选项
A took
B spent
C used
D had
答案
A
解析
转载请注明原文地址:https://ti.zuoweng.com/ti/NplQKKKQ
相关试题推荐
下面的短文有15处空白,请根据短文内容为每处空白确定1个最佳选项。 YoungAdultsWhoExerciseGetHigher...
下面的短文有15处空白,请根据短文内容为每处空白确定1个最佳选项。 YoungAdultsWhoExerciseGetHigher...
下面的短文有15处空白,请根据短文内容为每处空白确定1个最佳选项。 YoungAdultsWhoExerciseGetHigher...
下面的短文有15处空白,请根据短文内容为每处空白确定1个最佳选项。 YoungAdultsWhoExerciseGetHigher...
下面的短文有15处空白,请根据短文内容为每处空白确定1个最佳选项。 YoungAdultsWhoExerciseGetHigher...
下面的短文有15处空白,请根据短文内容为每处空白确定1个最佳选项。 YoungAdultsWhoExerciseGetHigher...
下面的短文有15处空白,请根据短文内容为每处空白确定1个最佳选项。 YoungAdultsWhoExerciseGetHigher...
下面的短文有15处空白,请根据短文内容为每处空白确定1个最佳选项。 YoungAdultsWhoExerciseGetHigher...
下面的短文有5处空白,短文后有6个句子,其中5个取自短文,请根据短文内容将其分别放回原有位置,以恢复文章原貌。 Mt.DesertIs...
下面的短文有5处空白,短文后有6个句子,其中5个取自短文,请根据短文内容将其分别放回原有位置,以恢复文章原貌。 Mt.DesertIs...
随机试题
下列绩效评价方法中,属于描述法的有()。 A、排序法 B、配对比较法 C、
结构中含有α-去氧糖的苷类化合物是
在实际操作中,制定写字楼销售策略的主要依据有( )。
决定一个行业进入障碍大小的因素包括()等。
成人泌尿系最常见的肿瘤( ) A.肾癌 B.肾胚胎瘤 C.膀胱癌 D.
专家判断法中与借款人有关的因素不包括( )。A.声誉B.杠杆C.收益波动性D.经济周期
我国现阶段的农村家庭联产承包责任制是()的一种存在形式。A.集体所有制B.全民所有制C.混合所有制D.农户个体所有制
不属于支配权的权利是( )。A.债权B.人身权C.继承权D.物权
男,32岁,近2个月上床后近2小时方能入睡,每周3~4次,只能睡眠2~4小时,晨起后感觉疲乏,精神不振,躯体及神经系统检查无异常。 该病的主要病因是A急性
男性,35岁,右腹股沟肿块10年,站立时明显,平卧后消失,有时可降入阴囊,可还纳。查:右腹股沟肿块,手拳大小还纳腹腔,外环容3指,压迫内环后肿块不再出现。...