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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.
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.
58._________
A: smoked
B: smoke-filled
C: filled with smoke
D: smoke-filling
A: smoked
B: smoke-filled
C: filled with smoke
D: smoke-filling
参考答案
参考解析
解析：空格后是一种装置，用它来改变火灾时找不到出口的危险境况。表达“用……装置”这层意思就要用介词with。其他几项均不符合句子的意思。
Sound Alert是一家公司的名字，a company是Sound Alert的同位语，根据句意判断，应选择run by，意为“由……经营的”。其他选项虽然语法正确，但都与句意不符。
从文章标题以及文章内容和本句后面部分resource center for the blind，可以推断这里最好的选择就是C。
因为这种警告装置已在上文中提到：第一段中的directional sound alarms，第二段中的installing the alarms in a residential home...，所以这里的alarms是特指，要用定冠词。选项C是错误的，因为它是单数形式。
句子的前半句有a wide range of frequencies，发出来的应该是sound，而不是令人烦躁的noise。用music或bell都有些突然，与上下文的意思不连贯。
文章一直在讨论警报器、声音和波长，所以首先排除选项A；从上下文的意思看，不可能是选项B和C，因为警报器的制造，就是为了让失明的人听到。
选择A、B、D均不能构成语义连贯的句子，而且语法上也有问题。选项C能使句子结构成为“It is... that”的强调句型。
从所给的选项可以看出，这里要表达的意思是“烟火弥漫的房间”。有了这个理解，现在要做的就是选择正确的表达形式。A是“烟熏的”,D是“使……烟火弥漫的”，所以意思不对，C填入后就出现filled with smoke room，不符合语法。只有B是正确选项。
这里显然是“It takes somebody + time +动词不定式”的句型，但选择什么时态是关键。从上句看，应选择一般过去时，因为整个段落是对一次实验的描写，而且上面一句也使用了一般过去时。
后半句的one指上半句中的a sound alarm。该句上半句和下半句由but连接，表示 相反的意思，从后半句的with可以看出，两个相对比的事物是：the door without a sound alarm和the door with a sound alarm，所以选择C。
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。
句子中的more...than表示该句是对两样事物的对比。than后面是the source of a narrow band，这里的narrow和前半句的wide形成反比，从上下文中可以看出，the source of a narrow band of ( frequencies）是和the source of a wide band of frequencies形成对比。
这个句子有主语alarms，有谓语have been installed，这里应填入动词的分词形式。 be based on是常用的搭配，所以应选择动词的过去分词形式。选项A. basis是名词，明显是错的。
根据上半句中的rising or frequencies，这里应填入or，与上半句表达的意思相一致。音频升高表示上楼，音频降低表示下楼。
首先确定主语They指的是第一句中的主语The alarms，后半句说这种设备得到大 笔资助。根据上文内容，我们知道资助的目的是开发这种alarms,所以应该选择devel- oped。
Sound Alert是一家公司的名字，a company是Sound Alert的同位语，根据句意判断，应选择run by，意为“由……经营的”。其他选项虽然语法正确，但都与句意不符。
从文章标题以及文章内容和本句后面部分resource center for the blind，可以推断这里最好的选择就是C。
因为这种警告装置已在上文中提到：第一段中的directional sound alarms，第二段中的installing the alarms in a residential home...，所以这里的alarms是特指，要用定冠词。选项C是错误的，因为它是单数形式。
句子的前半句有a wide range of frequencies，发出来的应该是sound，而不是令人烦躁的noise。用music或bell都有些突然，与上下文的意思不连贯。
文章一直在讨论警报器、声音和波长，所以首先排除选项A；从上下文的意思看，不可能是选项B和C，因为警报器的制造，就是为了让失明的人听到。
选择A、B、D均不能构成语义连贯的句子，而且语法上也有问题。选项C能使句子结构成为“It is... that”的强调句型。
从所给的选项可以看出，这里要表达的意思是“烟火弥漫的房间”。有了这个理解，现在要做的就是选择正确的表达形式。A是“烟熏的”,D是“使……烟火弥漫的”，所以意思不对，C填入后就出现filled with smoke room，不符合语法。只有B是正确选项。
这里显然是“It takes somebody + time +动词不定式”的句型，但选择什么时态是关键。从上句看，应选择一般过去时，因为整个段落是对一次实验的描写，而且上面一句也使用了一般过去时。
后半句的one指上半句中的a sound alarm。该句上半句和下半句由but连接，表示 相反的意思，从后半句的with可以看出，两个相对比的事物是：the door without a sound alarm和the door with a sound alarm，所以选择C。
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。
句子中的more...than表示该句是对两样事物的对比。than后面是the source of a narrow band，这里的narrow和前半句的wide形成反比，从上下文中可以看出，the source of a narrow band of ( frequencies）是和the source of a wide band of frequencies形成对比。
这个句子有主语alarms，有谓语have been installed，这里应填入动词的分词形式。 be based on是常用的搭配，所以应选择动词的过去分词形式。选项A. basis是名词，明显是错的。
根据上半句中的rising or frequencies，这里应填入or，与上半句表达的意思相一致。音频升高表示上楼，音频降低表示下楼。
首先确定主语They指的是第一句中的主语The alarms，后半句说这种设备得到大 笔资助。根据上文内容，我们知道资助的目的是开发这种alarms,所以应该选择devel- oped。
更多 “共用题干 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 inCumbria.______(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.58._________A: smokedB: smoke-filledC: filled with smoke D: smoke-filling” 相关考题
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