资料：Elizabeth Blackwell was born in England in 1821, and moved to New York City when she was ten years old. One day she decided that she wanted to become a doctor. That was nearly impossible for a woman in the middle of the nineteenth century.After writing many letters asking for admission （录取） to medical schools, she was finally accepted by a doctor in Philadelphia. She was so determined that she taught school and gave music lessons to get money for the cost of schooling.
In 1849, after graduation from medical school, she decided to further her education in Paris. She wanted to be a surgeon （外科医生） , but a serious eye problem forced he r to give up the idea.
Upon returning to the United States, she found it difficult to start her own practice because she was a woman. By 1857 Elizabeth and her sister, also a doctor, along with another woman doctor, managed to open a new hospital, the first for women and children Besides being the first woman physician and founding her won hospital, she also set up the first medical school for women.
Why couldn’t Elizabeth Blackwell realize her dream of becoming a surgeon?
本题考查的是细节理解。
【关键词】couldn't；becoming a surgeon
【主题句】第2自然段She wanted to be a surgeon , but a serious eye problem forced her to give up the idea. 她准备当一名外科医生，但严重的眼科疾病使她不得不放弃了这个想法。
【解析】本题的问题是“为什么伊丽莎白?布莱克维尔无法实现成为一名外科医生的梦想？”A选项“她决定在巴黎继续深造”，B选项“严重的眼科疾病阻止了她”，C选项“她没有被医科学校录取”，D选项“对她来说在美国行医很难”。根据主题句可知，严重的眼部疾病是主要原因。
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