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sectionⅠ Use of English
Directions:
Read the following text. Ch
oose the best word(s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1.(10 points)
Learning disabilities are very common. They 1 perhaps 10 percent of all children. Scientists now know there are many different kinds of learning disabilities and that they are 2 by many different things. There is no longer any 3 that all learning disabilities 4 differences in the way the brain is organized.
Since there is no 5 sign of the disorder, some researchers began looking at the brain itself to learn what might be wrong.
In one study, researchers 6 the brain of a learning-disabled person. They found two unusual things. One 7 cells in the left side of the brain, which control language. These cells 8 are white. In the learning disabled person, 9 , these cells were gray. The researchers also found that many of the nerve cells were not in a line the 10 they should have been. The nerve cells were mixed together.
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