though she is not cannot talk dumb, but also can't talk.
In order to overcome this difficulty, Sullivan teacher found a experts for Helen Keller, teach her use both hands to feel when others speak mouth changes, and nasal breathes, to learn the different pronunciation. Of course, this is a very difficult task, however, Helen Keller still do. Keller, besides breakthrough blind writer dysfunction, learn to speak more dedicated his life, campaigned for people with disabilities speech, encourage them to affirm oneself, resolve to be a residual and not waste. Helen Keller this love, not only giving handicapped brimming confidence, more aroused people from face handicapped, have set up service agencies, auxiliary they healthy and happy life.