The most common learning disability is difficulty with language and reading. A recent National Institutes of Health study showed that 67 percent of young students identified as being at risk for reading difficulties were able

　　to achieve average or above average reading ability when they received help early.

　　Many children and adults with learning disabilities remain undiagnosed and go through life with this “hidden handicap (障碍)．”The resulting problems can lead to poor self－esteem, failure to thrive in school, and difficulty in the workplace. With early detection and intervention (干预), parents can give their children the necessary skills for coping with and compensating (补偿) for the learning disability.

　　All children learn in highly individual ways. Children with learning disabilities simply process information differently, but they are generally of normal or above－average intelligence. Having a learning disability can affect a child's ability to read, write, speak, do math, and build social relationships.

　　40．What does the text mainly tell us?

　　A．Learning disability is a serious problem among children.

　　B．Learning disability will affect children later in life.

　　C．Knowing the warning signs of learning disability of children and helping them is important.

　　D．The warning signs of learning disability are hard to find.

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