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.
(10)
选项
A but
B even
C so
D if
答案
A
解析
转载请注明原文地址:https://ti.zuoweng.com/ti/uNsQKKKQ
相关试题推荐
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。 ADoctorintheHou...
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。 ADoctorintheHou...
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。 ADoctorintheHou...
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。 ADoctorinthe...
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。
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。
下面的短文后有2项测试任务:(1)第23~26题要求从所给的6个选项中为第1~4段每段选择1个最佳标题;(2)第27~30题要求从所给的6...
下面的短文后有2项测试任务:(1)第23~26题要求从所给的6个选项中为第1~4段每段选择1个最佳标题;(2)第27~30题要求从所给的6...
下面的短文后有2项测试任务:(1)第23~26题要求从所给的6个选项中为第1~4段每段选择1个最佳标题;(2)第27~30题要求从所给的6...
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。 TheToughGrassth...
随机试题
商业银行办理信贷业务时,下列做法正确的有( )。[2015年5月真题] A.
中国儿童及青少年错畸形的构成比率是
设置在民用建筑内的油浸电力变压器室、多油开关室、高压电容器室应满足下列要求()。
箱涵顶进挖土应在( )时间进行。 A、列车运行时 B、列车减速运行时
嵌体洞型要求轴壁间的外展不超过A.10°B.12°C.6°D.4°E.8°
连朴饮的功用是A.利湿化浊,清热解毒B.燥湿运脾,行气和胃C.清热化湿,理气和中D.疏风解表,化湿和中
恶性肿瘤的主要特征是 A核形态不规则,大小不一B核分裂象多见 C胞质嗜碱性D血管丰富E浸润性生长和转移
蔷薇科常含有单宁酸、花色素苷、鞣花酸和没食子酸、三萜皂角苷等成分。下列药材属于蔷薇科的有A.木瓜B.乌梅C.五味子D.金樱子E.山茱萸
劳动力市场的制度结构要素有()。A.工会B.最低社会保障C.最低劳动标准D.劳动力需求量E.劳动力供给量
甲企业为增值税小规模纳税人,2019年2月进口1辆小汽车自用,海关核定的关税完税价格为50万元,关税税率为20%,消费税税率为3%,则下列关于甲企业应缴纳...