摘要:[背景介绍] Marie Sklodowska was born in 1867 in Warsaw, the capital of Poland, where her father was a teacher. Polish teachers were not well paid, and Marie’s father could not afford a university education for her, so she had to work as a governess. When she had enough money from her savings, she went to study at the most famous French university, the Sorbonne in Paris. She had a very difficult life in Paris, but she graduated with honours in physics and mathematics. Then she got a job as a research scientist. While she was doing her research she met Pierre Curies. Her friendship with this French scientist resulted in their marriage in 1895. They worked together and discovered radium. In 1903, Marie and Pierre won the Nobel Prize for physics. A few years later, in 1906, Pierre was run over in the street by a heavy wagon, and died of his injuries. But Marie continued to work, and won the Nobel Prize again in 1911. She died in 1934. [释疑解惑] 1.Four doctors are at medical conference.四位医生正在进行医学交流. 介词at与抽象名词连用可用来表示正在进行的事情.或表示主语所处的状态. 例如: The family are at table. 全家正在吃饭. At that time France and Prussia were at war.那时.法国和普鲁士在打仗.

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