第三部分阅读理解（共20小题；每小题2分，满分40分）

阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。

As many as 20% of all children in the United States suffer from some form of the learning disorder called dyslexia（读写困难症）.

Experts on dyslexia say that the problem is not a disease． They say that persons with dyslexia use information in a different way. One of the world's great thinkers and scientists Albert Einstein was dyslexic． Einstein said that he never thought in words the way that most people do. He said that he thought in pictures instead. The American inventor Thomas Edison was also dyslexia. Dyslexia first was recognized in Europe and the United States more than 80 years ago. Many years passed before doctors discovered that persons with the disorder were not mentally slow or disabled. The doctors found that the brains of persons with dyslexia are different, In most people, the left side of the brain — the part that controls language — is larger than the right side. In persons with dyslexia, the right side of the brain is bigger. Doctors are not sure what causes this difference. However, a research has shown that dyslexia is more common in males than in females, and it is found more often in persons who are left-handed.

No one knows the cause of dyslexia, but some scientists believe that it may result from chemical changes in a baby's body long before it is born. They are trying to find ways to teach persons with dyslexia． Dyslexia persons think differently and need special kinds of teaching help. After they have solved their problems with language, they often show themselves to be especially intelligent or creative.

1．Einstein and Edison are spoken of in the passage to prove that ________.

A．they suffered from dyslexia

B．they succeeded because of dyslexia

C．they are neither slow in thinking nor disabled

D．dyslexia is not a disease

2．Who is the most unlikely to suffer from dyslexia?

A．Left-handed persons .      B．Inventors.

C．Females.       D．Males.

3．Which of the following is NOT true according to the text?

A．Once persons with dyslexia have their language problems solved, they will be intelligent

and creative.

B．The left brain of the person with dyslexia is larger than the right side of brain .

C．People have no idea of the cause of dyslexia .

D．Experts think the cause of dyslexia may be related to chemical changes in baby's body long  before its birth.

4．The passage mainly talk about ______.

A．some form of the learning disorder       B．a serious disease

C．the intelligence of the great people .      D．the teaching help to persons with dyslexia.

5．The persons with dyslexia ________.

A．are some kinds of sick persons      B．are mentally slow

C．think differently from common people D．are all males