2023年同等学力英语阅读理解备考练习题.doc
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1、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. Scientists now know there are many different kinds of learnin
2、g disabilities 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 or she has a learning disability. There is no outward sign of the diso
3、rder. So some researchers began looking at the brain itself to learn what might be wrong.In one study,researchers examined the brain of a learning-disabled person,who had died in an accident. They found two unusual things. One involved cells in the left side of the brain,which control language. Thes
4、e 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,an
5、 early expert on learning disabilities. 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. So the brain was
6、 like an electrical device in which the wires were crossed.Other researchers did not examine brain tissue. Instead,they measured the brains electrical activity and made a map of the electrical signals.Frank Duffy experimented with this technique at Childrens Hospital Medical Center in Boston. Doctor
7、 Duffy found large differences in the brain activity of normal children and those with reading problems. The differences appeared throughout thee brain. Doctor Duffy said his research is evidence that reading disabilities involve damage to a wide area of the brain,not just the left side.1. Scientist
8、s found that the brain cells of a learning-disabled person differ from those of a normal person in .A. structure and function B. color and functionC. size and arrangement D. color and arrangement2. Which of the following is NOT mentioned in the passage?A. Learning disabilities may result from the un
9、known area of the brain.B. Learning disabilities may result from damage to a wide area of the brain.C. Learning disabilities may result from abnormal organization of brain cells.D. Learning disabilities may result from problems in the left side of the brain.3. All of the following statements are tru
10、e EXCEPT that .A. many factors account for learning disorderB. a learning-disabled person shows no outward signsC. reading disabilities are a common problem that affects 10 percent of the populationD. the brain activity of learning-disabled children is different from that of normal children4. Doctor
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- 2023 同等学力 英语 阅读 理解 备考 练习题
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