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
36
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.
(14)
选项
A describe
B demand
C consider
D indicate
答案
D
解析
转载请注明原文地址:https://ti.zuoweng.com/ti/EplQKKKQ
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...
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
以下关于物业管理投标程序的叙述正确的有()。 A、在获取招标信息后,投标人首先
甲建设单位与施工单位订立了施工合同,甲建设单位负责建筑材料的采购,于是甲建设单位
建构主义学习理论的基本观点有()。
A公司发行面值为1000元、票面年利率为10%、期限为10年、每半年支付一次利息
下列有关文学作品表述不准确的是()。A.《天王送子图》是唐代画家吴道子所作,重视人物神韵的把握B.《人间喜剧》是法国19世纪批判现实主义文学作家雨果的代表作
32岁初产妇,宫内孕39周,于昨晚感觉腹部一阵阵发紧,每半个小时一次,每次持续3?5秒钟,今晨孕妇感觉腹部疼痛,每5?6分钟一次,每次持续45秒左右,入院...
常用波高统计特征值有()。 A.H1/100B.H C.Ht/100D.H1/3 E.H1/20
王某拟购买一套建筑面积126m2、单价为3500元/m2的住房,可用其银行存款50000元和所在单位以商业汇票方式划转的住房补贴90000元支付购房首付款...
背景资料: 某城市新建一座钢管拱桥,单跨100m。东西拱座两个桥台,每个桥台基础设20根桩径为1.5m的钻孔灌注桩,设计桩长40m。桥位区地质表层5m以...
下列控制措施中,属于销售与收款业务循环实物控制措施的有()A.销售折让审批B.保管票据以外的主管人员批准应收票据承兑、违约票据冲销C.限制非授权人员接近销售