首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
A、To check whether blind children can regain their sight. B、To find whether blind people have a better sense of sound. C、To see
A、To check whether blind children can regain their sight. B、To find whether blind people have a better sense of sound. C、To see
admin
2012-12-13
76
问题
In some children who go blind, certain parts of the brain that normally control vision appear to switch jobs and focus instead on sound, a new study has found.
The study, by researchers at the University of Montreal, involved 7 adults who could see and 12 adults who had lost their vision when they were children. Each participant sat in a room with 16 loudspeakers at different locations. The room was designed so that there were no echoes. During the experiment, the speakers irregularly produced sounds. Participants had to point to where the sounds were coming from. Meanwhile, the researchers monitored blood flow in the brains of the participants to see which brain structures were working during the task.
The results showed that 5 of the blind participants were very good at pointing to where sounds were coming from. In these people, blood flow increased in the visual cortex — an area at the back of the right side of the brain. This part of the brain is usually associated with vision. The other 7 blind participants showed no increase in activity in the visual cortex. These people didn’t do very well at picking out where sounds were coming from. Now, the researchers are looking at whether these people have gained an enhanced sense of touch instead of sound to replace their lost vision. The scientists say that their study shows how adaptable parts of the brain can be.
Questions 32 to 35 are based on the passage you have just heard.
32. What is the purpose of the experiment described in the passage?
33. What were the participants of the experiment asked to do?
34. During the experiment, why was blood flow in the brains of the participants measured?
35. What can best summarize the main idea of the passage?
选项
A、To check whether blind children can regain their sight.
B、To find whether blind people have a better sense of sound.
C、To see whether the sense of touch is better among blind people.
D、To find whether blood flow in the brains of blind people is slower.
答案
B
解析
选项均以To find/check/see whether开头以及选项中重复出现的blind people表明,本题可能考查某件与盲人有关的事的目的。短文开头提到,一项新的研究表明失明儿童那部分控制视力的大脑转而来控制听力,紧接着介绍了实验过程,由此可知,实验目的是为研究盲人听觉是否更为灵敏,故答案为[B]。
转载请注明原文地址:https://kaotiyun.com/show/xYb7777K
0
大学英语六级
相关试题推荐
Itisa______thatinsucharichcountrythereshouldbesomanypoorpeople.
Itissometimesdifficulttodiscussmedicalissuesinawaythatisnot______toordinarypeople.
Ignorantpeoplewere______ofColumbus’stheorythattheearthwasround.
Aterribleaccidenthappened;peopleweresaddenedwhentheywatchedthe________sightonTV.
______amongblackpeopleinSouthAfricaisessentialifprogressistobemade.
Manypeopletoday,worldwide,rememberexactlywhattheyweredoingwhenJohnFKennedywas______inDallas.
Thereisanincorrectassumptionamongscientistsandmedicalpeoplethateveryoneagreesonwhatabenefittoanindividual.
随机试题
为搬运和通风的需要,施工仓库棚顶高度不宜低于()m。
坏死与坏疽的根本区别在于()
孕38周,出生体重2600g,身长50cm,皮肤红润,胎毛少,耳廓软骨发育良好,足纹遍及整个足底。应考虑为()
高危型胎盘部位滋养细胞肿瘤给予辅助化疗,首选的方案是
患者,女性,从分娩后第2天起,持续3天体温在37.8℃左右,子宫收缩好,无压痛,会阴伤口红肿、疼痛,恶露淡红色,无臭味,双乳软,无硬结。发热的原因最可能是
以下有关特种车说法不正确的是()。
企业的非流动负债包括( )。
在下列预算方法中,能够反映多种业务量水平的是()。
西湖龙井茶的采摘和加工技艺相当讲究。清明前三天采摘的称“明前茶”。该茶的嫩芽初进,如同莲心,故又叫“莲心茶”,1斤干茶约需()万颗嫩芽方可炒制而成,是西湖龙井茶中的珍品。
某地一村民经常到镇政府非正常上访,甚至代人上访。某日,他向镇政府工作人员提出要求称,如果能为其提供购买汽车的贷款担保,他就罢访。假如你是镇政府的工作人员,你怎么办?
最新回复
(
0
)