首页
登录
职称英语
Learning disabilities are very common. They affect perhaps 10 percent of all
Learning disabilities are very common. They affect perhaps 10 percent of all
游客
2024-08-19
28
管理
问题
Learning disabilities are very common. They affect perhaps 10 percent of all children. Four times as many boys as girls have learning disabilities.
Since about 1970, new research has helped brain scientists understand these problems better.【72】and that they are caused by many different things. There is no longer any question that all learning disabilities result from differences in the way the brain is organized.
You cannot look at a child and tell if he has a learning disability. There is no outward sign of the disorder.【73】.
In one study, researchers examined the brain of a learning-disabled person who had died in an accident. They found two unusual things.【74】, which control language. These cells normally are white. In the learning-disabled person, however, these cells were gray. The researchers also found that many of the nerve cells were not in a line the way they should have been. The nerve cells were mixed together.
The study was carried out under the guidance of Norman Geschwind,【75】. Doctor Geschwind proposed that learning disabilities resulted mainly from problems in the left side of the brain. He believed this side of the brain failed to develop normally. Probably, he said, nerve cells there did not connect as they should.【76】.
Other researchers did not examine brain tissue. Instead,【77】and made a map of the electrical signals. Frank Duffy experimented with this technique at Children’s Hospital Medical center in Boston. Doctor Duffy found large differences in the brain activity of normal children and those with reading problems.【78】. Doctor Duffy said his research gives evidence that reading disabilities involve damage to a wide area of the brain, not just the left side.
Sentences:
A. an early expert on learning disabilities
B. Scientists now know there are many different kinds of learning disabilities
C. So the brain was like an electrical device in which the wires were crossed.
D. So some researchers began looking at the brain itself to learn what might be wrong.
E. Scientists found that the brain cells of a learning-disability person differ from those of a normal person in size and arrangement.
F. The differences appeared throughout the brain.
G. they measured the brain’s electrical activity
H. One involved cells in the left side of the brain [br]
选项
答案
C
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3726291.html
相关试题推荐
Learningdisabilitiesareverycommon.Theyaffectperhaps10percentofall
Learningdisabilitiesareverycommon.Theyaffectperhaps10percentofall
Well,really______nowisstartlearningwhattodowiththissoftwareandread
Betterchildcareandeducation______affectedalowmorbidityandmortalityam
石油价格的飞速上涨对世界经济产生了很大影响。(affect)Therapidincreaseinthepriceofoilhasgreatly
Ofalltheareasoflearningthemostimportantisthedevelopmentofattitu
Ofalltheareasoflearningthemostimportantisthedevelopmentofattitu
Ofalltheareasoflearningthemostimportantisthedevelopmentofattitu
Ofalltheareasoflearningthemostimportantisthedevelopmentofattitu
Ofalltheareasoflearningthemostimportantisthedevelopmentofattitu
随机试题
WewishtonotifyyouthatMr.RobertSmart,whohasbeenourrepresentativein
Itcanbeseenfromthecheapestbudgetairlinestotheworld’slargestcarri
可组成BI(商业智能)系统。A.数据仓库、OLTP和神经网络 B.数据仓库、O
企业组织结构设计的原则包括()。A.协调原则 B.波动性原则 C.执行和监
依照TCP/IP协议,( )不属于网络层的功能。A.路由 B.异构图互联
2013年湖北省主要农产品单产最高的是:() A.粮食 B.油料 C.
在城市供热工程规划中,热负荷的种类一般分为( )。A.室温调节 B.生产用热
一般资料:来访者,男性,21岁,大学生。 下面是心理咨询师与来访者之间的一段咨
(2021年真题)下列选项中,属于建设方案研究与比选作用的是( )。A.为项目产
(2017年真题)根据《建设工程安全生产管理条例》,属于建设单位安全责任的是(
最新回复
(
0
)