题目内容
（请给出正确答案）
My uncle promised to furnish all I need.
A．offer
B．buy
C．lend
D．rent
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
更多“My uncle promised to furnish all I need. A．offerB．buyC．lendD．rent”相关的问题
A．Right
B．Wrong
C．Not mentioned
A．it was a moral responsibility to keep old-aged people alive,
B．infants coutd be left dead in times of starvation.
C．parents had to impart the cultural wisdom of the tribe to their children.
D．death was considered to be freedom, from hardships.
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) all 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 Somerset and a resource center for the blind in Cambridge．The alarms produce a ____ (4) range of frequencies(频率)that enable the brain to____ (5) where the sound is coming from.
Deborah Whittington 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(白噪声)that people say sounds like static 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.
Whittington studies how the brain ____ (11) sounds at the university．She says that the____ (12) of a wide band of frequencies can be pinpointed(精确的确定)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 failing frequencies to____ (14) whether people should go up or down stairs．They were____ (15) with the aid of a large grant(拨款)from British Nuclear Fuels.
第 51 题
A．change
B．cure
C．demand
D．set
A．Right
B．Wrong
C．Not mentioned
A．Right
B．Wrong
C．Not mentioned
警告：系统检测到您的账号存在安全风险
为了保护您的账号安全，请在“简答题”公众号进行验证，点击“官网服务”-“账号验证”后输入验证码“”完成验证，验证成功后方可继续查看答案！
