首页
在线考试
章节闯关
谁正在考试
学习应用
听写训练
背单词
情景会话
口语模仿
擂台赛
每日英语
资料下载
作文批改
注册
您的位置：
在线考试首页
>
章节闯关
>
英语六级
>
阅读理解
>
科普知识类
>
第5关
00:00:00
已做
0
项(正确
0
项，错误做
0
项)/共10项，剩余
10
项未作答
结束作答
答案解析
上一题
下一题
返回
阅读理解
收藏
纠错
In such a changing, complex society formerly simple solutions to informational needs become complicated. Many of life’s problems which were solved by asking family members, friends or colleagues are beyond the capability of the extended family to resolve. Where to turn for expert information and how to determine which expert advice to accept are questions facing many people today.
In addition to this, there is the growing mobility of people since World War Ⅱ. As families move away from their stable community, their friends of many years, their extended family relationships, the informal flow of information is cut off, and with it the confidence that information will be available when needed and will be trustworthy and reliable. The almost unconscious flow of information about the simplest aspects of living can be cut off. Thus, things once learned subconsciously through the casual communications of the extended family must be consciously learned.
Adding to societal changes today is an enormous stockpile of information. The individual now has more information available than any generation, and the task of finding that one piece of information relevant to his or her specific problem is complicated, time-consuming and sometimes even overwhelming.
Coupled with the growing quantity of information is the development of technologies which enable the storage and delivery of more information with greater speed to more locations than has ever been possible before. Computer technology makes it possible to store vast amounts of data in machine-readable files, and to program computers to locate specific information.
Telecommunications developments enable the sending of messages via television, radio, and very shortly, electronic mail to bombard people with multitudes of messages. Satellites have extended the power of communications to report events at the instant of occurrence. Expertise can be shared world wide through teleconferencing, and problems in dispute can be settled without the participants leaving their homes and, or jobs to travel to a distant conference site. Technology has facilitated the sharing of information and the storage and delivery of information, thus making more information available to more people.
In the world of change and complexity, the need for information is of greatest importance. Those people who have accurate, reliable up-to-date information to solve the day-to-day problem, the critical problem of their business, social and family life, will survive and succeed. “Knowledge is power” may well be the truest saying and access to information may be the most critical requirement of all people.
1
Many of life’s problems people encounter today are the result of the fact that ____.
A.
they move far away from each other
B.
they have difficulty securing the needed information
C.
they lack the confidence of obtaining reliable information
D.
they don't know how to communicate with others now
本题答案：
A
B
C
D
参考答案：
B
系统解析：
根据第1段最后一句“到哪里寻求专家的建议以及如何确定接受哪一种专家建议,成了目前许多人面临的问题”，可知现在很多人遇到的问题是B。C虽然也说到了关键词information,但问题不在于是否有信心得到可靠信息，而在于是否能够得到所需信息，故排除C。
2
The author intends to tell us that we used to _____.
A.
solve our problems by turning to far-away experts
B.
communicate with each other unconsciously
C.
believe that reliable information would be available when needed
D.
find the information we needed within a short time
本题答案：
A
B
C
D
参考答案：
C
系统解析：
解答本题的关键是理解第2段第2句中的and with it the confidence that...“需要时就能得到可靠信息的信心也随之丧失”，从本句话中可推知，在过去人们相信，需要时就能得到可靠信息，故c正确。
3
What happens when we are available with more information than ever before?
A.
It is more convenient for us to learn about things consciously.
B.
It causes the modem technology to develop faster than ever.
C.
We don’t have to turn to experts for advice for solving our problems.
D.
It still takes us much time to locate the accurate information we need.
本题答案：
A
B
C
D
参考答案：
D
系统解析：
第3段第2句说“如今一个人获得的信息比以往任何一代人都多，而要找到与自己问题相关的信息不仅复杂、耗时，有时甚至令人难以招架。”D中的takes us much time对应原文该句的time-consuming，故D 正确。
4
It is implied in the fifth paragraph that____.
A.
events will be reported right when and where it happens solely through satellites
B.
people will spend less time holding meetings through teleconference
C.
it will be impossible for people to keep their secrets with the development of technology
D.
electronic mail will soon become a major way of sending messages
本题答案：
A
B
C
D
参考答案：
D
系统解析：
根据第5段第1句中的“很快，电子邮件将能给人们带来大量信息”，可知D与之相符，为正确答案。A错在solely through satellites，在原文中用的是extended“扩展”一词;B、C原文未提及。
5
The author may most probably suggest that, in order to be successful, we should ____.
A.
acquire accurate information efficiently
B.
obtain as much knowledge as we can
C.
make the best use of the modern technology
D.
go back to the society in which things were learned subconsciously
本题答案：
A
B
C
D
参考答案：
A
系统解析：
最后一段第2句的主干是Those people... will survive and succeed, who引导的定语从句回答了获得成功的条件，是本题答案所在。A“高效地获取准确的信息”是对who定语从句的概括，故选A。
A blind baby is doubly handicapped. Not only is it unable to see, but because it cannot receive the visual stimulus from its environment that a sighted child does, it is likely to be slow in intellectual development. Now the ten-month old son of Dr. and Mrs. Dennis Daughters is the subject of an unusual psychological experiment designed to prevent a lag in the learning process. With the aid of a sonar-type electronic device that he wears on his head, infant Dennis is learning to identify the people and objects in the world around him by means of echoes.
The device is a refinement of the “Sonicguide”, an instrument produced by Telesensory Systems, Inc., of Palo Alto, Calif., and used by blind adults in addition to a sane or guide dog. As adapted for Dennis, it consists of a battery-powered system about the size of a half dollar that is on a headgear. A transmitter emits an ultrasonic pulse that creates an 80 degree cone of sound at 6 feet. Echoes from objects within the cone are perceived as sounds that vary in pitch and volume with the size and distance of the object. The closer an object is, the lower the pitch, and the larger the object, the louder the signal. Hard surfaces produce a sharp ping, while soft ones send back signals with a slightly fuzzy quality. An object slightly to the right of Dennis sends back a louder sound to his right ear than to the left. Thus, by simply moving his head right and left and up and down, he can not only locate an object but also get some notion of its shape and size, thanks to the varying qualities of sounds reaching his ears as the cone of ultrasound passes its edges. Dennis likes to use the device to play a kind of peek-a-boo with his mother. Standing on her knee and facing her directly, he receives a strong signal in both ears. By turning his head away, he makes her seem to disappear. “From the first time he wore it,” says Mrs. Daughters, “it was like a light going on in his head.”
What remains to be determined is how well the device will help Dennis cope with his surroundings as he begins to walk and venture further into his environment. Meanwhile, Telesensory, Inc. is working on the development of sonar device with somewhat the same sensitivity as Dennis's for use by school-age children.
6
The research involving infant Dennis is directed to______.
A.
helping the blind to see and learn as well as others
B.
facilitating the learning process of blind children
C.
solving blind children’s psychological problems
D.
finding out how children develop intellectually
本题答案：
A
B
C
D
参考答案：
B
系统解析：
首段第3句末的不定式to prevent a lag in the learning process表明了实验目的，另外，文章一开头就提到了本文讨论重点是针对blind children， B为本题答案。A中的the blind指的是所有盲人，而实验研究 的只是“盲童”，而且研究的是“学习”的问题，而不是“看”的问题，因此A不正确；选项C中的psychological problems过于空泛;D中的children范围也过宽，原文只关注“盲童”，而不是所有儿童。
7
Infant Dennis becomes the subject of the experiment most probably because ______.
A.
he already lags behind the sighted children
B.
he leads a life as normal as any other children
C.
he is at the early stage of the learning process
D.
he has the aid of a sonar-type electronic device
本题答案：
A
B
C
D
参考答案：
C
系统解析：
首段首句提到的a blind baby，第3句提到的ten-month old和末句提到的infant以及第3句和第4句提到的learning,都表明Dennis成为研究对象是因为做实验的是盲童从小的学习过程，Dennis年龄很小，正处于学习的最初的阶段，符合做实验的条件，因此可推断本题应选C。虽然实验是为了防止盲童在学习上 lag behind，但这并不意味着Dennis已经lag behind,因此A不正确；B文中没有提及；D是Dennis成为 研究对象后特意为他设计的，并不是使他成为研究对象的原因。
8
What can we learn about infant Dennis’ device?
A.
Its prototype was designed for blind adults.
B.
Its battery is as small as a half-dollar coin.
C.
It is functionally similar to a sane and guide dog.
D.
It has been improved by Telesensory Systems, Inc.
本题答案：
A
B
C
D
参考答案：
A
系统解析：
第2段首句中的refinement表明Dennis用的声纳定位仪改良自Sonicguide，再根据该句对其功能的描述可以确定A为本题答案。第2段第2句表明the size of a half dollar是包含电池在内的整个声纳定位仪的尺寸，B不正确；C没有原文依据；末段末句中的is working on表明对Dennis的声纳定位仪的改良还在进行当中，因此D不正确。
9
“its edges” (Line 11, Para. 2)refers to ______.
A.
the edge of an object
B.
the edge of the device
C.
the boundary of Dennis’ movement
D.
the boundary of the sound pitch
本题答案：
A
B
C
D
参考答案：
A
系统解析：
第2段第8句中的thanks to表明此处解释了 Dennis的声纳定位仪的运作机制，即通过声波描绘物体的形状，该句中the cone指的就是该定位仪，而its edge应指周围物体的边缘，当声波碰到物体的边缘时， 就能通过声音描绘出物体的形状了，因此本题答案应为A。
10
What is Telesensory Systems, Inc. most likely to think about infant Dennis’ device?
A.
It had better be used by blind children from school age.
B.
It needs improving for use in a complicated environment.
C.
It may not be so suitable for the blind adults.
D.
It benefits blind children in terms of learning.
本题答案：
A
B
C
D
参考答案：
D
系统解析：
从末段末句中的school-age children及句中其他内容可以推断Telesensory最可能认为Dennis的声纳定位仪有利于儿童的学习过程，D为本题答案。原文并没有说他们认为学龄儿童才是使用该仪器最适合的年龄，A不正确；B是作者的看法，并非Telesensory的看法；虽然本文从头到尾讨论的都是盲童学习的问题， 但第2段首句也提到过成人使用类似的装置，因此C不正确。
我的笔记
最大支持140字
收藏
0
好题
0
烂题
0
提交纠错
请输入您发现的错误详情
用户：
