题目内容
根据提示用英语介绍二十世纪杰出的女性之一：海伦·凯勒(Helen Keller)。内容要点如下：
1．海伦·凯勒1880年6月出生于美国。她十九个月大时，由于生病变得又聋又盲。从此她就生活在黑暗、寂静的世界里；
2．七岁时，她的父母给她找了一名老师——Miss Sullivan。Miss Sullivan在教海伦的过程中遇到了许多困难。由于海伦的坚强意志和智慧以及Miss Sullivan的技巧和耐心，她们克服了所有的困难，并取得了成功；
3．她完成了大学教育，取得了英语文学学位；致力于盲聋儿童的社会工作，著有多本著作，其中《我的一生》(The Story of My Life)最为著名。
注意：
1．介绍要求包括所有内容要点，但不要逐条翻译。
2．可以适当增加细节，使内容连贯。
3．词数：120～150。
4．参考词汇：意志和智慧will and intelligence；技巧和耐心skill and patience；英语文学学位a degree in English literature。
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Helen Keller was one of the greatest women in the 20th century.She was born in America in June,1880.When she was nineteen months old，she became blind and deaf because of a serious illness.From then on she lived in darkness and silence.
Her parents were greatly worried.When she was seven，they found a teacher，Miss Sullivan，for her.Miss Sullivan had a lot of difficulties in teaching Helen Keller，who was blind and deaf.With Helen’s strong will and intelligence，combined with her teacher’s skill and patience they overcame all the difficulties.Helen Keller became an able student and graduated from a college where she finally received a university degree in English literature.Later on she devoted all herself to helping the blind and deaf children.She wrote many books and The Story of My Life is a remarkable one.
